corpus_id stringlengths 3 9 | arxiv_id stringlengths 9 16 | date stringdate 1989-10-26 00:00:00 2024-09-30 00:00:00 | title stringlengths 4 240 | abstract stringlengths 3 3.15k | categories listlengths 1 10 | topics listlengths 0 15 ⌀ | roles listlengths 1 4 | key_references listlengths 0 10 ⌀ | authors listlengths 1 5.28k ⌀ | citation_trajectory listlengths 14 26 ⌀ |
|---|---|---|---|---|---|---|---|---|---|---|
14171170 | math/0607542 | 2006-07-21 | Fast algorithms for computing the Boltzmann collision operator | The development of accurate and fast numerical schemes for the five fold Boltzmann collision integral represents a challenging problem in scientific computing. For a particular class of interactions, including the so-called hard spheres model in dimension three, we are able to derive spectral methods that can be evalua... | [
"math.AP",
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] | null | [
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] | null | null | null |
189922292 | cs/0607099 | 2006-07-21 | Degrees of Freedom Region for the MIMO X Channel | We provide achievability as well as converse results for the degrees of freedom region of a MIMO $X$ channel, i.e., a system with two transmitters, two receivers, each equipped with multiple antennas, where independent messages need to be conveyed over fixed channels from each transmitter to each receiver. With M=1 ant... | [
"cs.IT",
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] | null | [
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{
"author_id": "s jafar_1",
"name": "Syed [\"Ali\"] Jafar",
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"author_id": "s shamai_1",
"name": "Shlomo Shamai",
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119067572 | astro-ph/0607493 | 2006-07-21 | Catalog of Nearby Exoplanets | We present a catalog of nearby exoplanets, available at http://exoplanets.org and ApJ 646, 505 (published version available at the link above). It contains the 172 known low mass companions with orbits established through radial velocity and transit measurements around stars within 200 pc. We include 5 previously unpub... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118870486 | gr-qc/0607092 | 2006-07-21 | Phenomenology of amplitude-corrected post-Newtonian gravitational waveforms for compact binary inspiral. I. Signal-to-noise ratios | We study the phenomenological consequences of amplitude-corrected post-Newtonian (PN) gravitational waveforms, as opposed to the more commonly used restricted PN waveforms, for the quasi-circular, adiabatic inspiral of compact binary objects. In the case of initial detectors it has been shown that the use of amplitude-... | [
"gr-qc"
] | null | [
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{
"author_id": "c broeck_1",
"name": "Chris [\"Van\",\"Den\"] Broeck",
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"author_id": "a sengupta_2",
"name": "Anand [\"S.\"] Sengupta",
"publication_history": null,
"h_index": null... | null |
119137684 | math/0607531 | 2006-07-21 | On the logical complexity of convex polygon dissections | The logical depth of a graph $G$ is the minimum quantifier depth of a first order sentence defining $G$ up to isomorphism in the language of the adjacency and the equality relations. We consider the case that $G$ is a dissection of a convex polygon or, equivalently, a biconnected outerplanar graph. We bound the logical... | [
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] | null | [
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{
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{
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{
"author_id": "m bodirsky_0",
"name": "Manuel Bodirsky",
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{
"author_id": "m kang_4",
"name": "Mihyun Kang",
"publication_history": null,
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... | null |
119633085 | math-ph/0607047 | 2006-07-22 | Simple Systems with Anomalous Dissipation and Energy Cascade | We analyze a class of linear shell models subject to stochastic forcing in finitely many degrees of freedom. The unforced systems considered formally conserve energy. Despite being formally conservative, we show that these dynamical systems support dissipative solutions (suitably defined) and, as a result, may admit un... | [
"math-ph",
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{
"author_id": "j mattingly_1",
"name": "Jonathan [\"C.\"] Mattingly",
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{
"author_id": "t suidan_1",
"name": "Toufic [\"M.\"] Suidan",
"publication_history": null,
"h_index": null,
... | null |
13283246 | math/0607564 | 2006-07-22 | M\"obius Functions and Semigroup Representation Theory II: Character formulas and multiplicities | We generalize the character formulas for multiplicities of irreducible constituents from group theory to semigroup theory using Rota's theory of M\"obius inversion. The technique works for a large class of semigroups including: inverse semigroups, semigroups with commuting idempotents, idempotent semigroups and semigro... | [
"math.CO",
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] | null | [
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14424703 | astro-ph/0607521 | 2006-07-23 | Inverse Compton scattering on solar photons, heliospheric modulation, and neutrino astrophysics | We study the inverse Compton scattering of solar photons by Galactic cosmic-ray electrons. We show that the gamma-ray emission from this process is substantial with the maximum flux in the direction of the Sun; the angular distribution of the emission is broad. This previously-neglected foreground should be taken into ... | [
"astro-ph",
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1750944 | cs/0607105 | 2006-07-23 | Nearly-Linear Time Algorithms for Preconditioning and Solving Symmetric, Diagonally Dominant Linear Systems | We present a randomized algorithm that, on input a symmetric, weakly diagonally dominant n-by-n matrix A with m nonzero entries and an n-vector b, produces a y such that $\norm{y - \pinv{A} b}_{A} \leq \epsilon \norm{\pinv{A} b}_{A}$ in expected time $O (m \log^{c}n \log (1/\epsilon)),$ for some constant c. By applying... | [
"math.NA",
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"cs.NA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
206737392 | cs/0607104 | 2006-07-23 | Reducing the Computation of Linear Complexities of Periodic Sequences over $GF(p^m)$ | The linear complexity of a periodic sequence over $GF(p^m)$ plays an important role in cryptography and communication [12]. In this correspondence, we prove a result which reduces the computation of the linear complexity and minimal connection polynomial of a period $un$ sequence over $GF(p^m)$ to the computation of th... | [
"cs.CR",
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1989081 | cs/0607102 | 2006-07-23 | Multiaccess Channels with State Known to Some Encoders and Independent Messages | We consider a state-dependent multiaccess channel (MAC) with state non-causally known to some encoders. We derive an inner bound for the capacity region in the general discrete memoryless case and specialize to a binary noiseless case. In the case of maximum entropy channel state, we obtain the capacity region for bina... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17907375 | gr-qc/0607099 | 2006-07-23 | Algebraic Quantum Gravity (AQG) I. Conceptual Setup | We introduce a new top down approach to canonical quantum gravity, called Algebraic Quantum Gravity (AQG):The quantum kinematics of AQG is determined by an abstract $*-$algebra generated by a countable set of elementary operators labelled by an algebraic graph. The quantum dynamics of AQG is governed by a single Master... | [
"gr-qc",
"hep-th",
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14610854 | quant-ph/0607160 | 2006-07-24 | Arithmetic on a Distributed-Memory Quantum Multicomputer | We evaluate the performance of quantum arithmetic algorithms run on a distributed quantum computer (a quantum multicomputer). We vary the node capacity and I/O capabilities, and the network topology. The tradeoff of choosing between gates executed remotely, through ``teleported gates'' on entangled pairs of qubits (tel... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
190061 | astro-ph/0607534 | 2006-07-24 | High-Resolution Spectroscopy in Tr37: Gas Accretion Evolution in Evolved Dusty Disks | Using the Hectochelle multifiber spectrograph, we have obtained high-resolution (R~34,000) spectra in the Halpha region for a large number of stars in the 4 Myr-old cluster Tr 37, containing 146 previously known members and 26 newly identified ones. We present the Halpha line profiles of all members, compare them to ou... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119408069 | cond-mat/0607621 | 2006-07-24 | Saturated Hydrocarbons on Silicon: Quantifying Desorption with Scanning Tunneling Microscopy and Quantum Theory | Electron stimulated desorption of cyclopentene from the Si(100)-2x1 surface is studied experimentally with cryogenic UHV STM and theoretically with transport, electronic structure, and dynamical calculations. Unexpectedly for a saturated hydrocarbon on silicon, desorption is observed at bias magnitudes as low as 2.5 V,... | [
"cond-mat.mes-hall"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "n yoder_2",
"name": "Nathan [\"L.\"] Yoder",
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},
{
"author_id": "n guisinger_0",
"name": "Nathan [\"P.\"] Guisinger",
"publication_history": null,
"h_index": null,
"... | null |
9813732 | math/0607597 | 2006-07-24 | A Vortex Method for Bi-phasic Fluids Interacting with Rigid Bodies | We present an accurate Lagrangian method based on vortex particles, level-sets, and immersed boundary methods, for animating the interplay between two fluids and rigid solids. We show that a vortex method is a good choice for simulating bi-phase flow, such as liquid and gas, with a good level of realism. Vortex particl... | [
"math.NA",
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] | null | [
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{
"author_id": "m coquerelle_0",
"name": "Mathieu Coquerelle",
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{
"author_id": "j allard_1",
"name": "Jérémie Allard",
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"num_papers":... | null |
16446271 | hep-ex/0607046 | 2006-07-24 | A Measurement of the Psi' to J/psi Production Ratio in 920 GeV Proton-Nucleus Interactions | Ratios of the Psi' over the J/psi production cross sections in the dilepton channel for C, Ti and W targets have been measured in 920 GeV proton-nucleus interactions with the HERA-B detector at the HERA storage ring. The Psi' and J/psi states were reconstructed in both the mu+mu- and the e+e- decay modes. The measureme... | [
"hep-ex"
] | null | [
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{
"author_id": "i abt_1",
"name": "Iris Abt",
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{
"author_id": "m adams_9",
"name": "M. [\"R.\"] Adams",
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14294095 | math/0607613 | 2006-07-25 | On characterisation of Markov processes via martingale problems | It is well-known that well-posedness of a martingale problem in the class of continuous (or r.c.l.l.) solutions enables one to construct the associated transition probability functions. We extend this result to the case when the martingale problem is well-posed in the class of solutions which are continuous in probabil... | [
"math.PR"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a bhatt_11",
"name": "Abhay [\"G.\"] Bhatt",
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{
"author_id": "r karandikar_1",
"name": "Rajeeva [\"L.\"] Karandikar",
"publication_history": null,
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... | null |
14110011 | hep-ph/0607270 | 2006-07-25 | LHC / ILC / Cosmology Interplay | There is a strong and growing interplay between particle physics and cosmology. In this talk, I discuss some aspects of this interplay concerning dark matter candidates put forth by theories beyond the Standard Model. In explaining the requirements for collider tests of such dark matter candidates, I focus in particula... | [
"hep-ph"
] | null | [
"target.author.publication_history"
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{
"author_id": "s kraml_1",
"name": "Sabine Kraml",
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}
] | null |
60219 | quant-ph/0607173 | 2006-07-25 | The one-way communication complexity of the Boolean Hidden Matching Problem | We give a tight lower bound of Omega(\sqrt{n}) for the randomized one-way communication complexity of the Boolean Hidden Matching Problem [BJK04]. Since there is a quantum one-way communication complexity protocol of O(\log n) qubits for this problem, we obtain an exponential separation of quantum and classical one-way... | [
"quant-ph",
"cs.CC"
] | null | [
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{
"author_id": "i kerenidis_1",
"name": "Iordanis Kerenidis",
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{
"author_id": "r raz_1",
"name": "Ran Raz",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
3178098 | cond-mat/0607646 | 2006-07-25 | Swelling of two-dimensional polymer rings by trapped particles | The mean area of a two-dimensional Gaussian ring of $N$ monomers is known to diverge when the ring is subject to a critical pressure differential, $p_c \sim N^{-1}$. In a recent publication [Eur. Phys. J. E 19, 461 (2006)] we have shown that for an inextensible freely jointed ring this divergence turns into a second-or... | [
"cond-mat.soft",
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "e haleva_1",
"name": "Emir Haleva",
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{
"author_id": "h diamant_1",
"name": "Haim Diamant",
"publication_history": null,
"h_index": null,
"num_papers": null,
"... | null |
2049256 | quant-ph/0607174 | 2006-07-25 | Exponential Separation of Quantum and Classical One-Way Communication Complexity for a Boolean Function | We give an exponential separation between one-way quantum and classical communication complexity for a Boolean function. Earlier such a separation was known only for a relation. A very similar result was obtained earlier but independently by Kerenidis and Raz [KR06]. Our version of the result gives an example in the bo... | [
"quant-ph",
"cs.CC"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
9434327 | cs/0607109 | 2006-07-25 | Complexity and Applications of Edge-Induced Vertex-Cuts | Motivated by hypergraph decomposition algorithms, we introduce the notion of edge-induced vertex-cuts and compare it with the well-known notions of edge-cuts and vertex-cuts. We investigate the complexity of computing minimum edge-induced vertex-cuts and demonstrate the usefulness of our notion by applications in netwo... | [
"cs.DM",
"cs.CC"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m samer_1",
"name": "Marko Samer",
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{
"author_id": "s szeider_1",
"name": "Stefan Szeider",
"publication_history": null,
"h_index": null,
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... | null |
9525725 | cond-mat/0607643 | 2006-07-25 | Natural clustering: the modularity approach | We show that modularity, a quantity introduced in the study of networked systems, can be generalized and used in the clustering problem as an indicator for the quality of the solution. The introduction of this measure arises very naturally in the case of clustering algorithms that are rooted in Statistical Mechanics an... | [
"cond-mat.stat-mech",
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"physics.data-an"
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{
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{
"author_id": "l angelini_2",
"name": "Leonardo Angelini",
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{
"author_id": "d marinazzo_1",
"name": "Daniele Marinazzo",
"publication_history": null,
"h_index": null,
"num_paper... | null |
8700827 | quant-ph/0607177 | 2006-07-25 | Long-distance quantum key distribution in optical fiber | Use of low-noise detectors can both increase the secret bit rate of long-distance quantum key distribution (QKD) and dramatically extend the length of a fibre optic link over which secure key can be distributed. Previous work has demonstrated use of ultra-low-noise transition-edge sensors (TESs) in a QKD system with tr... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
10479218 | math/0607648 | 2006-07-26 | Singular Values and Eigenvalues of Tensors: A Variational Approach | We propose a theory of eigenvalues, eigenvectors, singular values, and singular vectors for tensors based on a constrained variational approach much like the Rayleigh quotient for symmetric matrix eigenvalues. These notions are particularly useful in generalizing certain areas where the spectral theory of matrices has ... | [
"math.SP",
"cs.IR",
"cs.NA",
"math.NA",
"math.OC"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
108284907 | quant-ph/0607182 | 2006-07-26 | Free-Space distribution of entanglement and single photons over 144 km | Quantum Entanglement is the essence of quantum physics and inspires fundamental questions about the principles of nature. Moreover it is also the basis for emerging technologies of quantum information processing such as quantum cryptography, quantum teleportation and quantum computation. Bell's discovery, that correlat... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18599214 | physics/0607252 | 2006-07-27 | Finite size effects in the dynamics of opinion formation | For some models of relevance in the social sciences we review some examples in which system size plays an important role in the final outcome of the dynamics. We discuss the conditions under which changes of behavior can appear only when the number of agents in the model takes a finite value. Those changes of behavior ... | [
"physics.soc-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "r toral_1",
"name": "Raúl Toral",
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{
"author_id": "c tessone_1",
"name": "Claudio [\"J.\"] Tessone",
"publication_history": null,
"h_index": null,
"num_papers": n... | null |
119504137 | astro-ph/0607632 | 2006-07-27 | The Hubble Ultra Deep Field | This paper presents the Hubble Ultra Deep Field (HUDF), a one million second exposure of an 11 square minute-of-arc region in the southern sky with the Hubble Space Telescope. The exposure time was divided among four filters, F435W (B435), F606W (V606), F775W (i775), and F850LP (z850), to give approximately uniform lim... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14191838 | hep-th/0607236 | 2006-07-28 | Bethe Ansatz solutions for highest states in ${\cal N}=4$ SYM and AdS/CFT duality | We consider the operators with highest anomalous dimension $\Delta$ in the compact rank-one sectors $\mathfrak{su}(1|1)$ and $\mathfrak{su}(2)$ of ${\cal N}=4$ super Yang-Mills. We study the flow of $\Delta$ from weak to strong 't Hooft coupling $\lambda$ by solving (i) the all-loop gauge Bethe Ansatz, (ii) the quantum... | [
"hep-th"
] | null | [
"target.author.publication_history"
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{
"corpus_id": "119525597",
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{
"corpus_id": "10882387",
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] | [
{
"author_id": "m beccaria_1",
"name": "Matteo Beccaria",
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{
"author_id": "l debbio_1",
"name": "Luigi [\"Del\"] Debbio",
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13577586 | cond-mat/0607778 | 2006-07-28 | Spin liquid phase in a $S=1/2$ quantum magnet on the kagome lattice | We study a model of hard-core bosons with short-range repulsive interactions at half-filling on the kagome lattice. Using quantum Monte Carlo (QMC) numerics, we find that this model shows a continuous superfluid to insulator quantum phase transition, with exponents $z=1$ and $\nu\approx 0.67(5)$. The insulator, $\cI^*$... | [
"cond-mat.str-el",
"cond-mat.mes-hall"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15269286 | astro-ph/0607655 | 2006-07-28 | X-Ray and Optical Flux Ratio Anomalies in Quadruply Lensed Quasars: I. Zooming in on Quasar Emission Regions | X-ray and optical observations of quadruply lensed quasars can provide a microarcsecond probe of the lensed quasar, corresponding to scale sizes of \~10^2-10^4 gravitational radii of the central black hole. This high angular resolution is achieved by taking advantage of microlensing by stars in the lensing galaxy. In t... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
23917719 | cond-mat/0607747 | 2006-07-28 | Classical dimers with aligning interactions on the square lattice | We present a detailed study of a model of close-packed dimers on the square lattice with an interaction between nearest-neighbor dimers. The interaction favors parallel alignment of dimers, resulting in a low-temperature crystalline phase. With large-scale Monte Carlo and Transfer Matrix calculations, we show that the ... | [
"cond-mat.stat-mech",
"cond-mat.str-el"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7495872 | astro-ph/0607648 | 2006-07-28 | Galaxy bimodality versus stellar mass and environment | We analyse a z<0.1 galaxy sample from the Sloan Digital Sky Survey focusing on the variation of the galaxy colour bimodality with stellar mass and projected neighbour density Sigma, and on measurements of the galaxy stellar mass functions. The characteristic mass increases with environmental density from about 10^10.6 ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16639539 | astro-ph/0607638 | 2006-07-28 | The distribution of the ISM in the Milky Way A three-dimensional large-scale model | We use the COBE/DIRBE (1.2, 2.2, 60, 100, 140, and 240 $\mu$m) maps and the COBE/FIRAS spectra (for the wavelength range 100 - 1000 $\mu$m) to constrain a model for the spatial distribution of the dust, the stars, and the gas in the Milky Way. By assuming exponential axisymmetric distributions for the dust and the star... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8637682 | hep-ph/0607332 | 2006-07-29 | Supersymmetry without a Light Higgs Boson | Motivated by the absence, so far, of any direct signal of conventional low-energy supersymmetry, we explore the consequences of making the lightest Higgs boson in supersymmetry relatively heavy, up to about 300 GeV, in the most straightforward way, i.e. via the introduction of a chiral singlet S with a superpotential i... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
32363350 | physics/0607270 | 2006-07-29 | Stirring up trouble: Multi-scale mixing measures for steady scalar sources | The mixing efficiency of a flow advecting a passive scalar sustained by steady sources and sinks is naturally defined in terms of the suppression of bulk scalar variance in the presence of stirring, relative to the variance in the absence of stirring. These variances can be weighted at various spatial scales, leading t... | [
"physics.flu-dyn"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2874365 | nlin/0607069 | 2006-07-30 | Modulational instability in a layered Kerr medium: Theory and Experiment | We present the first experimental investigation of modulational instability in a layered Kerr medium. The particularly interesting and appealing feature of our configuration, consisting of alternating glass-air layers, is the piecewise-constant nature of the material properties, which allows a theoretical linear stabil... | [
"nlin.PS",
"math.DS",
"nlin.SI",
"physics.optics"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m centurion_1",
"name": "Martin Centurion",
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{
"author_id": "m porter_1",
"name": "Mason [\"A.\"] Porter",
"publication_history": null,
"h_index": null,
"num_pape... | null |
15418499 | quant-ph/0607216 | 2006-07-30 | The Chernoff lower bound for symmetric quantum hypothesis testing | We consider symmetric hypothesis testing in quantum statistics, where the hypotheses are density operators on a finite-dimensional complex Hilbert space, representing states of a finite quantum system. We prove a lower bound on the asymptotic rate exponents of Bayesian error probabilities. The bound represents a quantu... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14402105 | math/0607812 | 2006-07-31 | Semiparametric estimation of a two-component mixture model | Suppose that univariate data are drawn from a mixture of two distributions that are equal up to a shift parameter. Such a model is known to be nonidentifiable from a nonparametric viewpoint. However, if we assume that the unknown mixed distribution is symmetric, we obtain the identifiability of this model, which is the... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16631370 | astro-ph/0608003 | 2006-07-31 | Infrared Emission from Interstellar Dust. IV. The Silicate-Graphite-PAH Model in the Post-Spitzer Era | Infrared (IR) emission spectra are calculated for dust composed of mixtures of amorphous silicate and graphitic grains, including varying amounts of polycyclic aromatic hydrocarbon (PAH) particles. The models are constrained to reproduce the average Milky Way extinction curve. The calculations include the effects of si... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
21766863 | cond-mat/0607819 | 2006-07-31 | Structure, Scaling and Phase Transition in the Optimal Transport Network | We minimize the dissipation rate of an electrical network under a global constraint on the sum of powers of the conductances. We construct the explicit scaling relation between currents and conductances, and show equivalence to a a previous model [J. R. Banavar {\it et al} Phys. Rev. Lett. {\bf 84}, 004745 (2000)] opti... | [
"cond-mat.dis-nn"
] | null | [
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{
"author_id": "s bohn_0",
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"name": "Marcelo [\"O.\"] Magnasco",
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88518339 | math/0607803 | 2006-07-31 | On discriminating between long-range dependence and changes in mean | We develop a testing procedure for distinguishing between a long-range dependent time series and a weakly dependent time series with change-points in the mean. In the simplest case, under the null hypothesis the time series is weakly dependent with one change in mean at an unknown point, and under the alternative it is... | [
"math.ST",
"stat.TH"
] | null | [
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] | null | null | null |
88524636 | math/0607799 | 2006-07-31 | Statistical inference for time-varying ARCH processes | In this paper the class of ARCH$(\infty)$ models is generalized to the nonstationary class of ARCH$(\infty)$ models with time-varying coefficients. For fixed time points, a stationary approximation is given leading to the notation ``locally stationary ARCH$(\infty)$ process.'' The asymptotic properties of weighted quas... | [
"math.ST",
"stat.TH"
] | null | [
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] | null | null | null |
12922596 | math/0607800 | 2006-07-31 | The ODE method for stability of skip-free Markov chains with applications to MCMC | Fluid limit techniques have become a central tool to analyze queueing networks over the last decade, with applications to performance analysis, simulation and optimization. In this paper, some of these techniques are extended to a general class of skip-free Markov chains. As in the case of queueing models, a fluid appr... | [
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
423090 | cs/0607139 | 2006-07-31 | Parallel repetition: simplifications and the no-signaling case | Consider a game where a refereed a referee chooses (x,y) according to a publicly known distribution P_XY, sends x to Alice, and y to Bob. Without communicating with each other, Alice responds with a value "a" and Bob responds with a value "b". Alice and Bob jointly win if a publicly known predicate Q(x,y,a,b) holds. Le... | [
"cs.CC",
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
44587 | math/0607823 | 2006-07-31 | An Intertwining Operator for the Group B2 | There is a commutative algebra of differential-difference operators, acting on polynomials on R_2, associated with the reflection group B2. This paper presents an integral transform which intertwines this algebra, allowing one free parameter, with the algebra of partial derivatives. The method of proof depends on prope... | [
"math.CA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15417198 | astro-ph/0608038 | 2006-08-01 | A Survey and Analysis of Spitzer Infrared Spectrograph Spectra of T Tauri Stars in Taurus | We present mid-infrared spectra of T Tauri stars in the Taurus star-forming region obtained with the Spitzer Infrared Spectrograph (IRS). For the first time, the 5-36 micron spectra of a large sample of T Tauri stars belonging to the same star-forming region is studied, revealing details of the mid-infrared excess due ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118985424 | astro-ph/0608032 | 2006-08-01 | Cosmology at Low Frequencies: The 21 cm Transition and the High-Redshift Universe | Observations of the high-redshift Universe with the 21 cm hyperfine line of neutral hydrogen promise to open an entirely new window onto the early phases of cosmic structure formation. Here we review the physics of the 21 cm transition, focusing on processes relevant at high redshifts, and describe the insights to be g... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17550695 | astro-ph/0608007 | 2006-08-01 | Estimation of Polarized Power Spectra by Gibbs sampling | Earlier papers introduced a method of accurately estimating the angular cosmic microwave background (CMB) temperature power spectrum based on Gibbs sampling. Here we extend this framework to polarized data. All advantages of the Gibbs sampler still apply, and exact analysis of mega-pixel polarized data sets is thus fea... | [
"astro-ph"
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"name": "Hans [\"Kristian\"] Eriksen",
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15308985 | quant-ph/0608007 | 2006-08-01 | Quantum information becomes classical when distributed to many users | Any physical transformation that equally distributes quantum information over a large number M of users can be approximated by a classical broadcasting of measurement outcomes. The accuracy of the approximation is at least of the order 1/M. In particular, quantum cloning of pure and mixed states can be approximated via... | [
"quant-ph"
] | null | [
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{
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"name": "Giacomo [\"Mauro\"] D’Ariano",
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... | null |
9751025 | quant-ph/0608018 | 2006-08-01 | Postselection threshold against biased noise | The highest current estimates for the amount of noise a quantum computer can tolerate are based on fault-tolerance schemes relying heavily on postselecting on no detected errors. However, there has been no proof that these schemes give even a positive tolerable noise threshold. A technique to prove a positive threshold... | [
"quant-ph"
] | null | [
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] | null | null | null |
913054 | astro-ph/0608023 | 2006-08-01 | The bright spiky emission of pulsar B0656+14 | We present a detailed study of the single radio pulses of PSR B0656+14, a pulsar also known to be a strong pulsed source of high-energy emission. Despite the extensive studies at high-energy wavelengths, there is little or no published work on its single-pulse behaviour in the radio band. In this report we rectify this... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119378412 | cond-mat/0608002 | 2006-08-01 | Flat spin wave dispersion in a triangular antiferromagnet | The excitation spectrum of a S=1/2 2D triangular quantum antiferromagnet is studied using 1/S expansion. Due to the non-collinearity of the classical ground state significant and non-trivial corrections to the spin wave spectrum appear already in the first order in 1/S in contrast to the square lattice antiferromagnet.... | [
"cond-mat.str-el",
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] | null | [
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{
"author_id": "o starykh_0",
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"... | null |
6007490 | math/0608007 | 2006-08-01 | Coarse-graining schemes and a posteriori error estimates for stochastic lattice systems | The primary objective of this work is to develop coarse-graining schemes for stochastic many-body microscopic models and quantify their effectiveness in terms of a priori and a posteriori error analysis. In this paper we focus on stochastic lattice systems of interacting particles at equilibrium. %such as Ising-type mo... | [
"math.NA"
] | null | [
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{
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{
"author_id": "p plecháč_1",
"name": "Petr Plecháč",
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9358017 | math-ph/0608003 | 2006-08-01 | Hamiltonian structure for dispersive and dissipative dynamical systems | We develop a Hamiltonian theory of a time dispersive and dissipative inhomogeneous medium, as described by a linear response equation respecting causality and power dissipation. The proposed Hamiltonian couples the given system to auxiliary fields, in the universal form of a so-called canonical heat bath. After integra... | [
"math-ph",
"math.MP",
"physics.class-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17669864 | cond-mat/0608038 | 2006-08-01 | Simulations of Quantum XXZ Models on Two-Dimensional Frustrated Lattices | We report recent progress in the study of a particular class of spin 1/2 XXZ model on two-dimensional lattices with frustrated diagonal and unfrustrated off-diagonal interactions. Quantum Monte Carlo simulations can be constructed without a sign problem, however they require non-trivial algorithmic advances in order to... | [
"cond-mat.dis-nn",
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] | null | [
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] | [] | [
{
"author_id": "r melko_1",
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}
] | null |
119356652 | hep-ph/0608012 | 2006-08-01 | The Bulk Viscosity of High-Temperature QCD | We compute the bulk viscosity zeta of high-temperature QCD to leading order in powers of the running coupling alpha_s(T). We find that it is negligible compared to shear viscosity eta for any alpha_s that might reasonably be considered small. The physics of bulk viscosity in QCD is a bit different than in scalar phi^4 ... | [
"hep-ph",
"nucl-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1326449 | math/0608017 | 2006-08-01 | High-dimensional graphs and variable selection with the Lasso | The pattern of zero entries in the inverse covariance matrix of a multivariate normal distribution corresponds to conditional independence restrictions between variables. Covariance selection aims at estimating those structural zeros from data. We show that neighborhood selection with the Lasso is a computationally att... | [
"math.ST",
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] | null | [
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{
"author_id": "n meinshausen_1",
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{
"author_id": "p buhlmann_1",
"name": "Peter Buhlmann",
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119334619 | hep-ex/0608003 | 2006-08-01 | Improved Measurements of the Branching Fractions for B0 --> pi+pi- and B0 --> K+pi-, and a Search fro B0 --> K+K- | We present measurements of the branching fractions for the charmless two-body decays $\Bz\to\pip\pim$ and $\Bz\to\Kp\pim$, and a search for the decay $\Bz\to\Kp\Km$. We include the effects of final-state radiation from the daughter mesons for the first time, and quote branching fractions for the inclusive processes $\B... | [
"hep-ex"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
44577592 | math/0608012 | 2006-08-01 | Recovering convex boundaries from blurred and noisy observations | We consider the problem of estimating convex boundaries from blurred and noisy observations. In our model, the convolution of an intensity function $f$ is observed with additive Gaussian white noise. The function $f$ is assumed to have convex support $G$ whose boundary is to be recovered. Rather than directly estimatin... | [
"math.ST",
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] | null | [
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{
"author_id": "a goldenshluger_1",
"name": "Alexander Goldenshluger",
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{
"author_id": "a zeevi_1",
"name": "Assaf [\"J.\"] Zeevi",
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... | null |
11675301 | cs/0608006 | 2006-08-01 | A Graph-based Framework for Transmission of Correlated Sources over Broadcast Channels | In this paper we consider the communication problem that involves transmission of correlated sources over broadcast channels. We consider a graph-based framework for this information transmission problem. The system involves a source coding module and a channel coding module. In the source coding module, the sources ar... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
46708048 | cs/0608005 | 2006-08-01 | A field-theory motivated approach to symbolic computer algebra | Field theory is an area in physics with a deceptively compact notation. Although general purpose computer algebra systems, built around generic list-based data structures, can be used to represent and manipulate field-theory expressions, this often leads to cumbersome input formats, unexpected side-effects, or the need... | [
"cs.SC",
"gr-qc",
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17702243 | astro-ph/0608051 | 2006-08-02 | Density Fluctuations in MHD Turbulence: Spectra, Intermittency and Topology | We perform three-dimensional (3D) compressible MHD simulations over many dynamical times for an extended range of sonic and Alfven Mach numbers and analyze the statistics of 3D density and 2D column density, which include probability distribution functions, spectra, skewness, kurtosis, She-Leveque exponents, and genus.... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119344626 | astro-ph/0608029 | 2006-08-02 | On the progenitor of SN 2005gl and the nature of Type IIn supernovae | We present a study of the type IIn supernova (SN) 2005gl, in the relatively nearby (d~66 Mpc) galaxy NGC 266. Photometry and spectroscopy of the SN indicate it is a typical member of its class. Pre-explosion Hubble Space Telescope (HST) imaging of the location of the SN, along with a precise localization of this event ... | [
"astro-ph"
] | null | [
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{
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] | [
{
"author_id": "a gal-yam_1",
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"author_id": "d leonard_1",
"name": "Douglas [\"C.\"] Leonard",
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5137693 | physics/0608017 | 2006-08-02 | Distributions of positron-emitting nuclei in proton and carbon-ion therapy studied with GEANT4 | Depth distributions of positron-emitting nuclei in PMMA phantoms are calculated within a Monte Carlo model for Heavy-Ion Therapy (MCHIT) based on the GEANT4 toolkit (version 8.0). The calculated total production rates of $^{11}$C, $^{10}$C and $^{15}$O nuclei are compared with experimental data and with corresponding r... | [
"physics.med-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1918990 | quant-ph/0608026 | 2006-08-02 | Search via Quantum Walk | We propose a new method for designing quantum search algorithms for finding a "marked" element in the state space of a classical Markov chain. The algorithm is based on a quantum walk \'a la Szegedy (2004) that is defined in terms of the Markov chain. The main new idea is to apply quantum phase estimation to the quantu... | [
"quant-ph",
"cs.CC",
"cs.DS"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119544217 | cond-mat/0608039 | 2006-08-02 | Solid-Liquid Phase Diagrams for Binary Metallic Alloys: Adjustable Interatomic Potentials | We develop a new approach to determining LJ-EAM potentials for alloys and use these to determine the solid-liquid phase diagrams for binary metallic alloys using Kofke's Gibbs-Duhem integration technique combined with semigrand canonical Monte Carlo simulations. We demonstrate that it is possible to produce a wide-rang... | [
"cond-mat.mtrl-sci"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "h nam_8",
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{
"author_id": "m mendelev_1",
"name": "Mikhail [\"I.\"] Mendelev",
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6905831 | math/0608054 | 2006-08-02 | On the toric algebra of graphical models | We formulate necessary and sufficient conditions for an arbitrary discrete probability distribution to factor according to an undirected graphical model, or a log-linear model, or other more general exponential models. For decomposable graphical models these conditions are equivalent to a set of conditional independenc... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18992448 | gr-qc/0608013 | 2006-08-02 | Equations of motion for a (non-linear) scalar field model as derived from the field equations | The problem of derivation of the equations of motion from the field equations is considered. Einstein's field equations have a specific analytical form: They are linear in the second order derivatives and quadratic in the first order derivatives of the field variables. We utilize this particular form and propose a nove... | [
"gr-qc"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "s kaniel_1",
"name": "Shmuel Kaniel",
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{
"author_id": "y itin_1",
"name": "Y. Itin",
"publication_history": null,
"h_index": null,
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"num_ci... | null |
10191016 | cs/0608009 | 2006-08-02 | Stability in multidimensional Size Theory | This paper proves that in Size Theory the comparison of multidimensional size functions can be reduced to the 1-dimensional case by a suitable change of variables. Indeed, we show that a foliation in half-planes can be given, such that the restriction of a multidimensional size function to each of these half-planes tur... | [
"cs.CG",
"cs.CV"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a cerri_1",
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{
"author_id": "p frosini_1",
"name": "Patrizio Frosini",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
16789909 | astro-ph/0608039 | 2006-08-02 | Characterizing Bars at z~0 in the optical and NIR: Implications for the Evolution of Barred Disks with Redshift | Critical insights on galaxy evolution stem from the study of bars. With the advent of HST surveys that trace bars in the rest-frame optical out to z~1, it is critical to provide a reference baseline for bars at z~0 in the optical band. We present results on bars at z~0 in the optical and NIR bands based on 180 spirals ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17964509 | astro-ph/0608074 | 2006-08-03 | The Fluorescence Detector of the Pierre Auger Observatory - A Calorimeter for UHECR | The Pierre Auger Observatory is a hybrid detector for ultrahigh energy cosmic rays (UHECR) with energies above 10$^{18.5}$ eV. Currently the first part of the Observatory nears completion in the southern hemisphere in Argentina. One detection technique uses over 1600 water Cherenkov tanks at ground where samples of sec... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15936050 | math/0608108 | 2006-08-03 | Truncations of random unitary matrices and Young tableaux | Let $U$ be a matrix chosen randomly, with respect to Haar measure, from the unitary group $U(d).$ We express the moments of the trace of any submatrix of $U$ as a sum over partitions whose terms count certain standard and semistandard Young tableaux. Using this combinatorial interpretation, we obtain a simple closed fo... | [
"math.CO",
"math.RT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17824491 | quant-ph/0608035 | 2006-08-03 | Quantum measurements without sums | Sums play a prominent role in the formalisms of quantum mechanics, be it for mixing and superposing states, or for composing state spaces. Surprisingly, a conceptual analysis of quantum measurement seems to suggest that quantum mechanics can be done without direct sums, expressed entirely in terms of the tensor product... | [
"quant-ph",
"math.CT",
"math.LO",
"math.QA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
24652982 | physics/0608039 | 2006-08-03 | Dynamics of a viscous vesicle in linear flows | An analytical theory is developed to describe the dynamics of a closed lipid bilayer membrane (vesicle) freely suspended in a general linear flow. Considering a nearly spherical shape, the solution to the creeping-flow equations is obtained as a regular perturbation expansion in the excess area. The analysis takes into... | [
"physics.bio-ph",
"physics.flu-dyn"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
54920819 | physics/0608035 | 2006-08-03 | Risk Minimization through Portfolio Replication | We use a replica approach to deal with portfolio optimization problems. A given risk measure is minimized using empirical estimates of asset values correlations. We study the phase transition which happens when the time series is too short with respect to the size of the portfolio. We also study the noise sensitivity o... | [
"physics.soc-ph",
"cond-mat.dis-nn",
"q-fin.RM"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16147394 | astro-ph/0608071 | 2006-08-03 | Prospects for the Characterization and Confirmation of Transiting Exoplanets via the Rossiter-McLaughlin Effect | The Rossiter-McLaughlin (RM) effect is the distortion of stellar spectral lines that occurs during eclipses or transits, due to stellar rotation. We assess the future prospects for using the RM effect to measure the alignment of planetary orbits with the spin axes of their parent stars, and to confirm exoplanetary tran... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18761551 | astro-ph/0608124 | 2006-08-04 | Spectral Line Selection for HMI: A Comparison of Fe I 6173 and Ni I 6768 | We present a study of two spectral lines, Fe I 6173 Angstroms and Ni I 6768 Angstroms, that were candidates to be used in the Helioseismic and Magnetic Imager (HMI) for observing Doppler velocity and the vector magnetic field. The line profiles were studied using the Mt. Wilson Observatory, the Advanced Stokes Polarime... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15623868 | math/0608122 | 2006-08-04 | Projective and Coarse Projective Integration for Problems with Continuous Symmetries | Temporal integration of equations possessing continuous symmetries (e.g. systems with translational invariance associated with traveling solutions and scale invariance associated with self-similar solutions) in a ``co-evolving'' frame (i.e. a frame which is co-traveling, co-collapsing or co-exploding with the evolving ... | [
"math.DS",
"physics.comp-ph"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "14217439",
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}
] | [
{
"author_id": "m kavousanakis_1",
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},
{
"author_id": "r erban_1",
"name": "Radek Erban",
"publication_history": null,
"h_index": null,
"num... | null |
119079023 | quant-ph/0608045 | 2006-08-04 | Quantum Error Correcting Subsystems are Unitarily Recoverable Subsystems | We show that every correctable subsystem for an arbitrary noise operation can be recovered by a unitary operation, where the notion of recovery is more relaxed than the notion of correction insofar as it does not protect the subsystem from subsequent iterations of the noise. We also demonstrate that in the case of unit... | [
"quant-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "d kribs_1",
"name": "David [\"W.\"] Kribs",
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},
{
"author_id": "r spekkens_1",
"name": "Robert [\"W.\"] Spekkens",
"publication_history": null,
"h_index": null,
"num... | null |
119453420 | quant-ph/0608039 | 2006-08-04 | Time Optimal Unitary Operations | Extending our previous work on time optimal quantum state evolution, we formulate a variational principle for the time optimal unitary operation, which has direct relevance to quantum computation. We demonstrate our method with three examples, i.e. the swap of qubits, the quantum Fourier transform and the entangler gat... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
414635 | math/0608124 | 2006-08-04 | Recovery algorithms for vector valued data with joint sparsity constraints | Vector valued data appearing in concrete applications often possess sparse expansions with respect to a preassigned frame for each vector component individually. Additionally, different components may also exhibit common sparsity patterns. Recently, there were introduced sparsity measures that take into account such jo... | [
"math.NA",
"math.FA"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m fornasier_1",
"name": "Massimo Fornasier",
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},
{
"author_id": "h rauhut_1",
"name": "Holger Rauhut",
"publication_history": null,
"h_index": null,
"num_papers": nu... | null |
12106681 | quant-ph/0608042 | 2006-08-04 | Secret quantum communication of a reference frame | We propose quantum cryptographic protocols to secretly communicate a reference frame- unspeakable information in the sense it cannot be encoded into a string of bits. Two distant parties can secretly align their Cartesian axes by exchanging N spin 1/2 particles, achieving the optimal accuracy 1/N. A possible eavesdropp... | [
"quant-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "g chiribella_1",
"name": "Giulio Chiribella",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "l maccone_1",
"name": "Lorenzo Maccone",
"publication_history": null,
"h_index": null,
"num_papers"... | null |
32610600 | quant-ph/0608060 | 2006-08-07 | Classical simulation versus universality in measurement based quantum computation | We investigate for which resource states an efficient classical simulation of measurement based quantum computation is possible. We show that the Schmidt--rank width, a measure recently introduced to assess universality of resource states, plays a crucial role in also this context. We relate Schmidt--rank width to the ... | [
"quant-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m nest_1",
"name": "Maarten [\"Van\",\"den\"] Nest",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "w dür_1",
"name": "Wolfgang Dür",
"publication_history": null,
"h_index": null,
"num_papers"... | null |
9341088 | astro-ph/0608160 | 2006-08-07 | Basic physical parameters of a selected sample of evolved stars | We present the detailed spectroscopic analysis of 72 evolved stars, including the [Fe/H] determination for the whole sample. These metallicities, together with the Teff values and the absolute V magnitude derived from Hipparcos parallaxes, are used to estimate basic stellar parameters (ages, masses, radii, (B-V)o and l... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14405379 | astro-ph/0608157 | 2006-08-07 | Concentration, Spin and Shape of Dark Matter Haloes: Scatter and the Dependence on Mass and Environment | We use a series of cosmological N-body simulations for a flat LCDM cosmology to investigate the properties of dark matter haloes in the mass range 3.0e9-3.0e13 Msun. These properties include the concentration parameter (c), the spin parameter (lambda) and the mean axis ratio (q). For the concentration-mass relation we ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18193378 | astro-ph/0608151 | 2006-08-07 | Exploring Halo Substructure with Giant Stars X. Extended Dark Matter or Tidal Disruption?: The Case for the Leo I Dwarf Spheroidal Galaxy | We present a wide-field (4.5 deg^2) photometric and spectroscopic survey of the Leo I dwarf spheroidal (dSph) galaxy to explore its extended morphology and dynamics. As in previous papers in this series, we take advantage of photometry in the M, T_2, and DDO51 filter system to select LeoI red giant branch star candidat... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
30045824 | hep-ex/0608013 | 2006-08-07 | Search for pair production of scalar bottom quarks in ppbar collisions at sqrt(s)=1.96 TeV | A search for direct production of scalar bottom quarks (sb) is performed with 310 pb-1 of data collected by the DO experiment in ppbar collisions at sqrt(s)=1.96 TeV at the Fermilab Tevatron Collider. The topology analyzed consists of two b jets and an imbalance in transverse momentum due to undetected neutralinos chi0... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "v abazov_1",
"name": "Victor [\"Mukhamedovich\"] Abazov",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "b abbott_2",
"name": "B. Abbott",
"publication_history": null,
"h_index": null,
"num_pa... | null |
15428638 | math/0608171 | 2006-08-07 | Riemann sums over polytopes | We show that the Euler-MacLaurin formula for Riemann sums has an n-dimensional analogue in which intervals on the line get replaced by convex polytopes. | [
"math.CO",
"math.AG"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
117721046 | math/0608162 | 2006-08-07 | Random Dynamical Systems | The concept of random dynamical system is a comparatively recent development combining ideas and methods from the well developed areas of probability theory and dynamical systems. Due to our inaccurate knowledge of the particular physical system or due to computational or theoretical limitations (lack of sufficient com... | [
"math.DS",
"math.PR"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
11666468 | math/0608166 | 2006-08-07 | Epistemic actions as resources | We provide algebraic semantics together with a sound and complete sequent calculus for information update due to epistemic actions. This semantics is flexible enough to accommodate incomplete as well as wrong information e.g.due to secrecy and deceit, as well as nested knowledge. We give a purely algebraic treatment of... | [
"math.LO",
"math.CT"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "a baltag_1",
"name": "Alexandru Baltag",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "b coecke_1",
"name": "Bob Coecke",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
37101893 | hep-th/0608050 | 2006-08-07 | Counting BPS Operators in Gauge Theories: Quivers, Syzygies and Plethystics | We develop a systematic and efficient method of counting single-trace and multi-trace BPS operators with two supercharges, for world-volume gauge theories of $N$ D-brane probes for both $N \to \infty$ and finite $N$. The techniques are applicable to generic singularities, orbifold, toric, non-toric, complete intersecti... | [
"hep-th",
"math.AG"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
3266394 | cs/0608044 | 2006-08-08 | Network Coding in a Multicast Switch | We consider the problem of serving multicast flows in a crossbar switch. We show that linear network coding across packets of a flow can sustain traffic patterns that cannot be served if network coding were not allowed. Thus, network coding leads to a larger rate region in a multicast crossbar switch. We demonstrate a ... | [
"cs.NI",
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "j sundararajan_1",
"name": "Jay [\"Kumar\"] Sundararajan",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "m médard_1",
"name": "Muriel Médard",
"publication_history": null,
"h_index": null,
"n... | null |
16086472 | astro-ph/0608174 | 2006-08-08 | Fast cosmological parameter estimation using neural networks | We present a method for accelerating the calculation of CMB power spectra, matter power spectra and likelihood functions for use in cosmological parameter estimation. The algorithm, called CosmoNet, is based on training a multilayer perceptron neural network and shares all the advantages of the recently released Pico a... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
434036 | cs/0608049 | 2006-08-08 | Solving non-uniqueness in agglomerative hierarchical clustering using multidendrograms | In agglomerative hierarchical clustering, pair-group methods suffer from a problem of non-uniqueness when two or more distances between different clusters coincide during the amalgamation process. The traditional approach for solving this drawback has been to take any arbitrary criterion in order to break ties between ... | [
"cs.IR",
"math.ST",
"physics.data-an",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17211178 | astro-ph/0608186 | 2006-08-09 | Nflation: non-gaussianity in the horizon-crossing approximation | We analyze the cosmic non-gaussianity produced in inflation models with multiple uncoupled fields with monomial potentials, such as Nflation. Using the horizon-crossing approximation to compute the non-gaussianity, we show that when each field has the same form of potential, the prediction is independent the number of ... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "s kim_10",
"name": "Soo [\"A\"] Kim",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "a liddle_1",
"name": "Andrew [\"R.\"] Liddle",
"publication_history": null,
"h_index": null,
"num_papers": ... | null |
14313066 | gr-qc/0608043 | 2006-08-09 | Towards Quantum Gravity: A Framework for Probabilistic Theories with Non-Fixed Causal Structure | General relativity is a deterministic theory with non-fixed causal structure. Quantum theory is a probabilistic theory with fixed causal structure. In this paper we build a framework for probabilistic theories with non-fixed causal structure. This combines the radical elements of general relativity and quantum theory. ... | [
"gr-qc",
"hep-th",
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5770587 | q-bio/0608019 | 2006-08-09 | A Petri Net approach to the study of persistence in chemical reaction networks | Persistency is the property, for differential equations in $\R^n$, that solutions starting in the positive orthant do not approach the boundary. For chemical reactions and population models, this translates into the non-extinction property: provided that every species is present at the start of the reaction, no species... | [
"q-bio.MN",
"q-bio.BM"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
11354793 | nlin/0608021 | 2006-08-10 | Reliable and unreliable dynamics in driven coupled oscillators | This letter concerns the reliability of coupled oscillator networks in response to fluctuating inputs. Reliability means that (following a transient) an input elicits identical responses upon repeated presentations, regardless of the system's initial condition. Here, we analyze this property for two coupled oscillators... | [
"nlin.CD",
"nlin.AO",
"q-bio.NC"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "k lin_36",
"name": "Kevin [\"K.\"] Lin",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "e shea-brown_1",
"name": "Eric Shea-Brown",
"publication_history": null,
"h_index": null,
"num_papers": ... | null |
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