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 ⌀ |
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14543141 | nlin/0612002 | 2006-12-01 | Bi-Hamiltonian Aspects of a Matrix Harry Dym Hierarchy | We study the Harry Dym hierarchy of nonlinear evolution equations from the bi-Hamiltonian view point. This is done by using the concept of an S-hierarchy. It allows us to define a matrix Harry Dym hierarchy of commuting Hamiltonian flows in two fields that projects onto the scalar Harry Dym hierarchy. We also show that... | [
"nlin.SI"
] | null | [
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{
"author_id": "l fontanelli_0",
"name": "Laura Fontanelli",
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{
"author_id": "p lorenzoni_0",
"name": "Paolo Lorenzoni",
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13456863 | hep-th/0612002 | 2006-12-01 | AdS/CFT with Tri-Sasakian Manifolds | We consider generic toric Tri-Sasakian 7-manifolds X_7 in the context of M-theory on AdS_4 X X_7 and study their AdS/CFT correspondence to N=3 SCFT in 3D spacetime. We obtain volumes of Tri-Sasakian manifolds and their supersymmetric 5-cycles via cohomological integration technique, and use this to calculate conformal ... | [
"hep-th"
] | null | [
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25181660 | astro-ph/0612016 | 2006-12-01 | Fast variability of TeV gamma-rays from the radio galaxy M 87 | The detection of fast variations of the TeV (10^12 eV) gamma-ray flux, on time-scales of days, from the nearby radio galaxy M 87 is reported. These variations are ~10 times faster than that observed in any other waveband and imply a very compact emission region with a dimension similar to the Schwarzschild radius of th... | [
"astro-ph"
] | null | [
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401879 | math/0612046 | 2006-12-01 | On the Submodularity of Influence in Social Networks | We prove and extend a conjecture of Kempe, Kleinberg, and Tardos (KKT) on the spread of influence in social networks. A social network can be represented by a directed graph where the nodes are individuals and the edges indicate a form of social relationship. A simple way to model the diffusion of ideas, innovative beh... | [
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"name": "Elchanan Mossel",
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"author_id": "s roch_1",
"name": "Sébastien Roch",
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... | null |
118479627 | cond-mat/0612056 | 2006-12-02 | Radial and axial segregation in horizontal rotating cylinders studied by Magnetic Resonance Imaging (MRI) | The dynamics of granular materials, mostly radial and axial segregation in horizontal rotating cylinders filled with millet and poppy seeds, is studied by Magnetic Resonance Imaging (MRI). For the first time, full 3D structures and real-time 2D MRI movies showing the progress of segregation over many hours are reported... | [
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{
"author_id": "t nguyen_176",
"name": "Thoa [\"Thi\",\"Phuong\"] Nguyen",
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{
"author_id": "a sederman_1",
"name": "Andrew [\"J.\"] Sederman",
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"h_index":... | null |
7050125 | cond-mat/0612063 | 2006-12-03 | An invariant distribution in static granular media | We have discovered an invariant distribution for local packing configurations in static granular media. This distribution holds in experiments for packing fractions covering most of the range from random loose packed to random close packed, for beads packed both in air and in water. Assuming only that there exist eleme... | [
"cond-mat.dis-nn",
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{
"author_id": "t aste_1",
"name": "Tomaso Aste",
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{
"author_id": "t di matteo_1",
"name": "Tiziana Di Matteo",
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... | null |
17957344 | astro-ph/0612064 | 2006-12-04 | Microlensing of a Biconical Broad Line Region | The influence of microlensing in the profiles of the emission lines generated in a biconical geometry is discussed. Microlensing amplification in this anisotropic model is not directly related to the bicone's intrinsic size but depends on the orientation of the bicone axis and on the cone aperture. The orientation of t... | [
"astro-ph"
] | null | [
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18920876 | astro-ph/0612069 | 2006-12-04 | Ultraviolet Detection of the Tidal Disruption of a Star by a Supermassive Black Hole | A supermassive black hole in the nucleus of a galaxy will be revealed when a star passes close enough to be torn apart by tidal forces and a flare of radiation is emitted by the stream of stellar debris that plunges into the black hole. Since common active galactic nuclei have accreting black holes that can also produc... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118901391 | astro-ph/0612045 | 2006-12-04 | Mid-IR Observations and a Revised Time Delay for the Gravitational Lens System Quasar HE 1104-1805 | The mid-IR flux ratios F_A/F_B = 2.84 +/- 0.06 of the two images of the gravitationally lensed quasar HE 1104-1805 show no wavelength dependence to within 3% across 3.6-8.0 um, no time dependence over 6 months and agree with the broad emission line flux ratios. This indicates that the mid-IR emission likely comes from ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
47449 | gr-qc/0612032 | 2006-12-05 | No realistic wormholes from ghost-free scalar-tensor phantom dark energy | It is proved that no wormholes can be formed in viable scalar-tensor models of dark energy admitting its phantom-like ($w < -1$) behaviour in cosmology, even in the presence of electric or magnetic fields, if the non-minimal coupling function $f(\Phi)$ is everywhere positive and the scalar field $\Phi$ itself is not a ... | [
"gr-qc",
"astro-ph",
"hep-th"
] | null | [
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] | null | null | null |
1242308 | physics/0612035 | 2006-12-05 | An information-theoretic framework for resolving community structure in complex networks | To understand the structure of a large-scale biological, social, or technological network, it can be helpful to decompose the network into smaller subunits or modules. In this article, we develop an information-theoretic foundation for the concept of modularity in networks. We identify the modules of which the network ... | [
"physics.soc-ph",
"physics.data-an"
] | null | [
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{
"author_id": "m rosvall_1",
"name": "Martin Rosvall",
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"author_id": "c bergstrom_1",
"name": "Carl [\"T.\"] Bergstrom",
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17587635 | astro-ph/0612126 | 2006-12-05 | The mass function of dense molecular cores and the origin of the IMF | Context: Stars form in the cold dense cores of interstellar molecular clouds and the detailed knowledge of the spectrum of masses of such cores is clearly a key for the understanding of the origin of the IMF. To date, observations have presented somewhat contradictory evidence relating to this issue. Aims: In this pape... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14275074 | hep-ph/0612056 | 2006-12-05 | Background studies for a ton-scale argon dark matter detector (ArDM) | The ArDM project aims at operating a large noble liquid detector to search for direct evidence of Weakly Interacting Massive Particles (WIMP) as Dark Matter in the universe. Background sources relevant to ton-scale liquid and gaseous argon detectors, such as neutrons from detector components, muon-induced neutrons and ... | [
"hep-ph"
] | null | [
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] | [] | [
{
"author_id": "l kaufmann_1",
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{
"author_id": "a rubbia_1",
"name": "André Rubbia",
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... | null |
15239772 | math/0612129 | 2006-12-05 | A Riemann-Roch theorem in tropical geometry | Recently, Baker and Norine have proven a Riemann-Roch theorem for finite graphs. We extend their results to metric graphs and thus establish a Riemann-Roch theorem for divisors on (abstract) tropical curves. | [
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14255587 | astro-ph/0612152 | 2006-12-06 | 531 new spectroscopic redshifts from the CDFS and a test on the cosmological relevance of the GOODS-South field | (Abbrev.) This paper prepares a series of papers analysing the Intermediate MAss Galaxy Evolution Sequence (IMAGES) up to z=1. Intermediate mass galaxies (MJ <=-20.3) are selected from the Chandra Deep Field South (CDFS) for which we identify a serious lack of spectroscopically determined redshifts..... We have spectro... | [
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{... | [
{
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"author_id": "m puech_1",
"name": "Mathieu Puech",
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55506603 | math/0612142 | 2006-12-06 | Optimal transportation for the determinant | Among $\R^3$-valued triples of random vectors $(X,Y,Z)$ having fixed marginal probability laws, what is the best way to jointly draw $(X,Y,Z)$ in such a way that the simplex generated by $(X,Y,Z)$ has maximal average volume? Motivated by this simple question, we study optimal transportation problems with several margin... | [
"math.OC"
] | null | [
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] | null | null | null |
6276336 | 0712.3980 | 2006-12-06 | Distributed Slicing in Dynamic Systems | Peer to peer (P2P) systems are moving from application specific architectures to a generic service oriented design philosophy. This raises interesting problems in connection with providing useful P2P middleware services capable of dealing with resource assignment and management in a large-scale, heterogeneous and unrel... | [
"cs.DC"
] | null | [
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{
"author_id": "a fernández_4",
"name": "Antonio Fernández",
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{
"author_id": "v gramoli_1",
"name": "Vincent Gramoli",
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9249779 | cond-mat/0612163 | 2006-12-06 | Configurational electronic entropy and the phase diagram of mixed-valence oxides: the case of Li$_x$FePO$_4$ | We demonstrate that configurational electronic entropy, previously neglected, in {\it ab initio} thermodynamics of materials can qualitatively modify the finite-temperature phase stability of mixed-valence oxides. While transformations from low-T ordered or immiscible states are almost always driven by configurational ... | [
"cond-mat.mtrl-sci"
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{
"author_id": "f zhou_9",
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"author_id": "t maxisch_1",
"name": "Thomas Maxisch",
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14394186 | quant-ph/0612050 | 2006-12-06 | The exact cost of redistributing multipartite quantum states | How correlated are two quantum systems from the perspective of a third? We answer this by providing an optimal quantum state redistribution protocol for multipartite product sources. Specifically, given an arbitrary quantum state of three systems, where Alice holds two and Bob holds one, we identify the cost, in terms ... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5162185 | cond-mat/0612137 | 2006-12-06 | Dynamics of quantum dissipation systems interacting with Fermion and Boson grand canonical bath ensembles: Hierarchical equations of motion approach | A hierarchical equations of motion formalism for a quantum dissipation system in a grand canonical bath ensemble surrounding is constructed, on the basis of the calculus-on-path-integral algorithm, together with the parametrization of arbitrary non-Markovin bath that satisfies fluctuation-dissipation theorem. The influ... | [
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "j jin_32",
"name": "Jinshuang Jin",
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},
{
"author_id": "s welack_0",
"name": "Sven Welack",
"publication_history": null,
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"nu... | null |
14074749 | astro-ph/0612162 | 2006-12-07 | The discovery of the first luminous z~6 quasar in the UKIDSS Large Area Survey | We present the initial results from our search for high redshift, z > 6, quasars using near infrared data from the UKIRT Infrared Deep Sky Survey (UKIDSS) Large Area Survey (LAS). Our analysis of 106 deg^2 of sky from Data Release 1 (DR1) has resulted in the discovery of ULAS J020332.38+001229.2, a luminous (J_AB=20.0,... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
3266214 | cs/0612044 | 2006-12-07 | The Relay-Eavesdropper Channel: Cooperation for Secrecy | This paper establishes the utility of user cooperation in facilitating secure wireless communications. In particular, the four-terminal relay-eavesdropper channel is introduced and an outer-bound on the optimal rate-equivocation region is derived. Several cooperation strategies are then devised and the corresponding ac... | [
"cs.IT",
"math.IT"
] | null | [
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{
"author_id": "l lai_5",
"name": "Lifeng Lai",
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},
{
"author_id": "h gamal_1",
"name": "Hesham [\"El\"] Gamal",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
308 | cs/0612042 | 2006-12-07 | Decentralized Maximum Likelihood Estimation for Sensor Networks Composed of Nonlinearly Coupled Dynamical Systems | In this paper we propose a decentralized sensor network scheme capable to reach a globally optimum maximum likelihood (ML) estimate through self-synchronization of nonlinearly coupled dynamical systems. Each node of the network is composed of a sensor and a first-order dynamical system initialized with the local measur... | [
"cs.DC",
"cs.IT",
"math.IT"
] | null | [
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{
"author_id": "s barbarossa_1",
"name": "Sergio Barbarossa",
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{
"author_id": "g scutari_1",
"name": "Gesualdo Scutari",
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5603602 | hep-th/0612065 | 2006-12-07 | Low-lying gravitational modes in the scalar sector of the global AdS_4 black hole | We compute the quasinormal frequencies corresponding to the scalar sector of gravitational perturbations in the four-dimensional AdS-Schwarzschild black hole by using the master field formalism of hep-th/0305147. We argue that the non-deformation of the boundary metric favors a Robin boundary condition on the master fi... | [
"hep-th",
"gr-qc"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17717848 | astro-ph/0612190 | 2006-12-07 | Clustering Analyses of 300,000 Photometrically Classified Quasars--I. Luminosity and Redshift Evolution in Quasar Bias | Using ~300,000 photometrically classified quasars, by far the largest quasar sample ever used for such analyses, we study the redshift and luminosity evolution of quasar clustering on scales of ~50 kpc/h to ~20 Mpc/h from redshifts of z~0.75 to z~2.28. We parameterize our clustering amplitudes using realistic dark matt... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15583549 | math-ph/0612021 | 2006-12-07 | On the spectra of carbon nano-structures | An explicit derivation of dispersion relations and spectra for periodic Schr\"{o}dinger operators on carbon nano-structures (including graphen and all types of single-wall nano-tubes) is provided. | [
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7046669 | cs/0612047 | 2006-12-07 | Social Browsing on Flickr | The new social media sites - blogs, wikis, del.icio.us and Flickr, among others - underscore the transformation of the Web to a participatory medium in which users are actively creating, evaluating and distributing information. The photo-sharing site Flickr, for example, allows users to upload photographs, view photos ... | [
"cs.HC",
"cs.AI"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
44165384 | cond-mat/0612196 | 2006-12-07 | Dual fermion approach to nonlocal correlations in the Hubbard model | A new diagrammatic technique is developed to describe nonlocal effects (e.g., pseudogap formation) in the Hubbard-like models. In contrast to cluster approaches, this method utilizes an exact transition to the dual set of variables, and it therefore becomes possible to treat the irreducible vertices of an effective {\i... | [
"cond-mat.str-el"
] | null | [
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] | [] | [
{
"author_id": "a rubtsov_1",
"name": "Alexey [\"N.\"] Rubtsov",
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{
"author_id": "m katsnelson_1",
"name": "Mikhail [\"I\"] Katsnelson",
"publication_history": null,
"h_index": null,... | null |
10879313 | cs/0612052 | 2006-12-08 | Budget Optimization in Search-Based Advertising Auctions | Internet search companies sell advertisement slots based on users' search queries via an auction. While there has been a lot of attention on the auction process and its game-theoretic aspects, our focus is on the advertisers. In particular, the advertisers have to solve a complex optimization problem of how to place bi... | [
"cs.DS",
"cs.CE",
"cs.GT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8445306 | hep-ex/0612013 | 2006-12-08 | Search for techniparticles in e +jets events at D0 | We search for the technicolor process ppbar -> rho_T/omega_T ->W+pi_T in events containing one electron and two jets, in data corresponding to an integrated luminosity of 390 pb-1, recorded by the D0 experiment at the Fermilab Tevatron. Technicolor predicts that technipions, pi_T, decay dominantly into b-bbar, b-cbar, ... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "v abazov_1",
"name": "Victor [\"Mukhamedovich\"] Abazov",
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{
"author_id": "b abbott_2",
"name": "B. Abbott",
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118950876 | cond-mat/0612227 | 2006-12-09 | Topological Entanglement Entropy in the Quantum Dimer Model on the Triangular Lattice | A characterization of topological order in terms of bi-partite entanglement was proposed recently [A. Kitaev and J. Preskill, Phys. Rev. Lett. 96, 110404 (2006); M. Levin and X.-G. Wen, ibid, 110405]. It was argued that in a topological phase there is a universal additive constant in the entanglement entropy, called th... | [
"cond-mat.str-el",
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2713057 | cs/0612058 | 2006-12-10 | Adaptive Simulated Annealing: A Near-optimal Connection between Sampling and Counting | We present a near-optimal reduction from approximately counting the cardinality of a discrete set to approximately sampling elements of the set. An important application of our work is to approximating the partition function $Z$ of a discrete system, such as the Ising model, matchings or colorings of a graph. The typic... | [
"cs.DS",
"cs.DM"
] | null | [
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{
"author_id": "d štefankovič_1",
"name": "Daniel Štefankovič",
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{
"author_id": "s vempala_1",
"name": "Santosh [\"S.\"] Vempala",
"publication_history": null,
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"... | null |
6057731 | math/0612264 | 2006-12-10 | Fast linear algebra is stable | In an earlier paper, we showed that a large class of fast recursive matrix multiplication algorithms is stable in a normwise sense, and that in fact if multiplication of $n$-by-$n$ matrices can be done by any algorithm in $O(n^{\omega + \eta})$ operations for any $\eta > 0$, then it can be done stably in $O(n^{\omega +... | [
"math.NA",
"cs.CC",
"cs.DS"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
42658232 | cond-mat/0612242 | 2006-12-10 | Flow boundary conditions from nano- to micro-scales | The development of microfluidic devices has recently revived the interest in "old" problems associated with transport at, or across, interfaces. As the characteristic sizes are decreased, the use of pressure gradients to transport fluids becomes problematic, and new, interface driven, methods must be considered. This h... | [
"cond-mat.mtrl-sci"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
29846630 | astro-ph/0612291 | 2006-12-11 | zCOSMOS: A Large VLT/VIMOS redshift survey covering 0 < z < 3 in the COSMOS field | zCOSMOS is a large redshift survey that is being undertaken in the COSMOS field using 600 hours of observation with the VIMOS spectrograph on the 8-m VLT. The survey is designed to characterise the environments of COSMOS galaxies from the 100 kpc scales of galaxy groups up to the 100 Mpc scale of the cosmic web and to ... | [
"astro-ph"
] | null | [
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{
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] | [
{
"author_id": "s lilly_1",
"name": "Simon [\"J.\"] Lilly",
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{
"author_id": "o fèvre_1",
"name": "Olivier [\"Le\"] Fèvre",
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1124 | cs/0612066 | 2006-12-11 | Optimal Filtering for DDoS Attacks | Distributed Denial-of-Service (DDoS) attacks are a major problem in the Internet today. In one form of a DDoS attack, a large number of compromised hosts send unwanted traffic to the victim, thus exhausting the resources of the victim and preventing it from serving its legitimate clients. One of the main mechanisms tha... | [
"cs.NI"
] | null | [
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] | [] | [
{
"author_id": "k defrawy_1",
"name": "Karim [\"M.\",\"El\"] Defrawy",
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{
"author_id": "a markopoulou_1",
"name": "Athina Markopoulou",
"publication_history": null,
"h_index": null,
... | null |
11520748 | q-bio/0612018 | 2006-12-11 | The Berry phase and the pump flux in stochastic chemical kinetics | We study a classical two-state stochastic system in a sea of substrates and products (absorbing states), which can be interpreted as a single Michaelis-Menten catalyzing enzyme or as a channel on a cell surface. We introduce a novel general method and use it to derive the expression for the full counting statistics of ... | [
"q-bio.QM",
"q-bio.MN"
] | null | [
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{
"author_id": "n sinitsyn_1",
"name": "Nikolai [\"A.\"] Sinitsyn",
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{
"author_id": "i nemenman_1",
"name": "Ilya Nemenman",
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16694712 | q-bio/0612016 | 2006-12-11 | Beneficial mutation-selection balance and the effect of linkage on positive selection | When beneficial mutations are rare, they accumulate by a series of selective sweeps. But when they are common, many beneficial mutations will occur before any can fix, so there will be many different mutant lineages in the population concurrently. In an asexual population, these different mutant lineages interfere and ... | [
"q-bio.PE",
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] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
10892288 | astro-ph/0612277 | 2006-12-11 | White Dwarf Mass Distribution in the SDSS | We determined masses for the 7167 DA and 507 DB white dwarf stars classified as single and non-magnetic in data release four of the Sloan Digital Sky Survey (SDSS). We obtained revised Teff and log g determinations for the most massive stars by fitting the SDSS optical spectra with a synthetic spectra grid derived from... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
22249139 | math/0612287 | 2006-12-11 | L1TV computes the flat norm for boundaries | We show that the recently introduced L1TV functional can be used to explicitly compute the flat norm for co-dimension one boundaries. While this observation alone is very useful, other important implications for image analysis and shape statistics include a method for denoising sets which are not boundaries or which ha... | [
"math.DG",
"math.OC"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15003480 | cond-mat/0612275 | 2006-12-12 | Spin torque and force due to current for general spin textures | Non-adiabatic correction to spin transfer torque arising from fast-varying spin texture is calculated treating conduction electron fully quantum mechanically. The torque is non-local in space, and is shown to equivalent to a force (due to momentum transfer) acting on the center of mass of the texture. Another kind of f... | [
"cond-mat.mes-hall"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
8907910 | math/0612324 | 2006-12-12 | Numerical Methods for the Stochastic Landau-Lifshitz Navier-Stokes Equations | The Landau-Lifshitz Navier-Stokes (LLNS) equations incorporate thermal fluctuations into macroscopic hydrodynamics by using stochastic fluxes. This paper examines explicit Eulerian discretizations of the full LLNS equations. Several CFD approaches are considered (including MacCormack's two-step Lax-Wendroff scheme and ... | [
"math.NA",
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7601023 | physics/0612105 | 2006-12-12 | Final Size Planar Edgeless Silicon Detectors for the TOTEM Experiment | The TOTEM experiment will detect leading protons scattered in angles of microradians from the interaction point at the Large Hadron Collider. This will be achieved using detectors with a minimized dead area at the edge. The collaboration has developed an innovative structure at the detector edge reducing the convention... | [
"physics.ins-det"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "g ruggiero_1",
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"author_id": "e alagoz_1",
"name": "Enver Alagoz",
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"num_papers": null,... | null |
9448514 | astro-ph/0612311 | 2006-12-12 | The XMM-Newton wide-field survey in the COSMOS field: I. Survey description | We present the first set of XMM-Newton EPIC observations in the 2 square degree COSMOS field. The strength of the COSMOS project is the unprecedented combination of a large solid angle and sensitivity over the whole multiwavelength spectrum. The XMM-Newton observations are very efficient in localizing and identifying a... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
34251129 | astro-ph/0612305 | 2006-12-12 | The Cosmic Evolution Survey (COSMOS) -- Overview | The Cosmic Evolution Survey (COSMOS) is designed to probe the correlated evolution of galaxies, star formation, active galactic nuclei (AGN) and dark matter (DM) with large-scale structure (LSS) over the redshift range z $> 0.5 $ to 6. The survey includes multi-wavelength imaging and spectroscopy from X-ray to radio wa... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7818579 | astro-ph/0612300 | 2006-12-12 | Accretion Discs with Strong Toroidal Magnetic Fields | Simulations and analytic arguments suggest that the turbulence driven by magnetorotational instability (MRI) in accretion discs can amplify the toroidal (azimuthal) component of the magnetic field to a point at which magnetic pressure exceeds the combined gas + radiation pressure in the disc. Arguing from the recent an... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
999816 | astro-ph/0612306 | 2006-12-12 | COSMOS : Hubble Space Telescope Observations | The Cosmic Evolution Survey (COSMOS) was initiated with an extensive allocation (590 orbits in Cycles 12-13) using the Hubble Space Telescope (HST) for high resolution imaging. Here we review the characteristics of the HST imaging with the Advanced Camera for Surveys (ACS) and parallel observations with NICMOS and WFPC... | [
"astro-ph"
] | null | [
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{
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{
"author_id": "n scoville_1",
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119343999 | cond-mat/0612280 | 2006-12-12 | Diffusion Monte Carlo study of the equation of state of solid ortho-D$_2$ | We present results of Diffusion Monte Carlo calculations for a system of solid ortho-D_2 at different densities, for pressure ranging from 0 up to 350MPa. We compare the equation of state obtained using two of the most used effective intermolecular potentials, i.e. the Silvera--Goldman and the Buck potentials, with exp... | [
"cond-mat.other"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
10768649 | math/0612364 | 2006-12-13 | On the Longest Increasing Subsequence for Finite and Countable Alphabets | Let $X_1, X_2, ..., X_n, ... $ be a sequence of iid random variables with values in a finite alphabet $\{1,...,m\}$. Let $LI_n$ be the length of the longest increasing subsequence of $X_1, X_2, ..., X_n.$ We express the limiting distribution of $LI_n$ as functionals of $m$ and $(m-1)$-dimensional Brownian motions. Thes... | [
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
13875387 | math/0612368 | 2006-12-13 | Distributions that are convolvable with generalized Poisson kernel of solvable extensions of homogeneous Lie groups | In this paper, we characterize the class of distributions on an homogeneous Lie group $\fN$ that can be extended via Poisson integration to a solvable one-dimensional extension $\fS$ of $\fN$. To do so, we introducte the $\ss'$-convolution on $\fN$ and show that the set of distributions that are $\ss'$-convolvable with... | [
"math.CA"
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{
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... | null |
1749110 | physics/0612122 | 2006-12-13 | Ranking Scientific Publications Using a Simple Model of Network Traffic | To account for strong aging characteristics of citation networks, we modify Google's PageRank algorithm by initially distributing random surfers exponentially with age, in favor of more recent publications. The output of this algorithm, which we call CiteRank, is interpreted as approximate traffic to individual publica... | [
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] | null | [
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118142307 | hep-ph/0612172 | 2006-12-13 | Tevatron-for-LHC Report: Higgs | The search for Higgs bosons in both the standard model and its extensions is well under way at the Tevatron. As the integrated luminosity collected increases into the multiple inverse femptobarn range, these searches are becoming very interesting indeed. Meanwhile, the construction of the Large Hadron Collider (LHC) an... | [
"hep-ph"
] | null | [
"target.author.publication_history"
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{
"author_id": "u aglietti_0",
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{
"author_id": "a belyaev_3",
"name": "Alexander Belyaev",
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"n... | null |
119501389 | gr-qc/0612085 | 2006-12-13 | Compact binary inspiral and the science potential of third-generation ground-based gravitational wave detectors | We consider EGO as a possible third-generation ground-based gravitational wave detector and evaluate its capabilities for the detection and interpretation of compact binary inspiral signals. We identify areas of astrophysics and cosmology where EGO would have qualitative advantages, using Advanced LIGO as a benchmark f... | [
"gr-qc",
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{
"author_id": "c broeck_1",
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{
"author_id": "a sengupta_2",
"name": "Anand [\"S.\"] Sengupta",
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2788379 | hep-th/0612136 | 2006-12-13 | Baryonic Condensates on the Conifold | We provide new evidence for the gauge/string duality between the baryonic branch of the cascading SU(k(M+1)) \times SU(kM) gauge theory and a family of type IIB flux backgrounds based on warped products of the deformed conifold and R^{3,1}. We show that a Euclidean D5-brane wrapping all six deformed conifold directions... | [
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{
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... | [
{
"author_id": "m benna_1",
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"name": "Anatoly Dymarsky",
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14450917 | math/0612370 | 2006-12-13 | The holonomy groupoid of a singular foliation | We construct the holonomy groupoid of any singular foliation. In the regular case this groupoid coincides with the usual holonomy groupoid of Winkelnkemper (1983); the same holds in the singular cases of Bigonnet and Pradines (1985) and Debord (2001), which from our point of view can be thought of as being "almost regu... | [
"math.DG",
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] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16600799 | math/0612334 | 2006-12-13 | Tight Beltrami fields with symmetry | Let $M$ be a compact orientable Seifered fibered 3-manifold without a boundary, and $\alpha$ an $S^1$-invariant contact form on $M$. In a suitable adapted Riemannian metric to $\alpha$, we provide a bound for the volume $\text{Vol}(M)$ and the curvature, which implies the universal tightness of the contact structure $\... | [
"math.DG",
"math.SG"
] | null | [
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] | null | null | null |
1401487 | q-bio/0612025 | 2006-12-13 | Single neuron computation: from dynamical system to feature detector | White noise methods are a powerful tool for characterizing the computation performed by neural systems. These methods allow one to identify the feature or features that a neural system extracts from a complex input, and to determine how these features are combined to drive the system's spiking response. These methods h... | [
"q-bio.NC",
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{
"author_id": "s hong_37",
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{
"author_id": "b arcas_1",
"name": "Blaise [\"Agüera\",\"y\"] Arcas",
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119491749 | astro-ph/0612364 | 2006-12-14 | Three dimensional numerical simulations of acoustic wave field in the upper convection zone of the Sun | Results of numerical 3D simulations of propagation of acoustic waves inside the Sun are presented. A linear 3D code which utilizes realistic OPAL equation of state was developed by authors. Modified convectively stable standard solar model with smoothly joined chromosphere was used as a background model. High order dis... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2807288 | astro-ph/0612395 | 2006-12-14 | The Monitor project: Data processing and lightcurve production | We have begun a large-scale photometric survey of nearby open clusters and star-forming regions, the Monitor project, aiming to measure time-series photometry for >10,000 cluster members over >10 sq.deg of sky, to find low-mass eclipsing binary and planet systems. We describe the software pipeline we have developed for... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
105460 | math/0612422 | 2006-12-14 | Does median filtering truly preserve edges better than linear filtering? | Image processing researchers commonly assert that "median filtering is better than linear filtering for removing noise in the presence of edges." Using a straightforward large-$n$ decision-theory framework, this folk-theorem is seen to be false in general. We show that median filtering and linear filtering have similar... | [
"math.ST",
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] | null | [
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{
"author_id": "e arias-castro_1",
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{
"author_id": "d donoho_1",
"name": "David [\"L.\"] Donoho",
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9902852 | math/0612381 | 2006-12-14 | Non-uniform Small-gain Theorems for Systems with Unstable Invariant Sets | We consider the problem of asymptotic convergence to invariant sets in interconnected nonlinear dynamic systems. Standard approaches often require that the invariant sets be uniformly attracting. e.g. stable in the Lyapunov sense. This, however, is neither a necessary requirement, nor is it always useful. Systems may, ... | [
"math.DS",
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] | null | [
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{
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] | [
{
"author_id": "i tyukin_1",
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{
"author_id": "e steur_1",
"name": "Erik Steur",
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... | null |
15369552 | cs/0612075 | 2006-12-14 | Intermediate Performance of Rateless Codes | Rateless/fountain codes are designed so that all input symbols can be recovered from a slightly larger number of coded symbols, with high probability using an iterative decoder. In this paper we investigate the number of input symbols that can be recovered by the same decoder, but when the number of coded symbols avail... | [
"cs.IT",
"math.IT"
] | null | [
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] | [] | [
{
"author_id": "s sanghavi_1",
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}
] | null |
1151588 | math/0612412 | 2006-12-14 | Periodically-forced finite networks of heterogeneous coupled oscillators: a low-dimensional approach | We study a network of 500 coupled modified van der Pol oscillators. The value of a parameter associated with each oscillator is drawn from a normal distribution, giving a heterogeneous network. For strong enough coupling the oscillators all have the same period, and we consider periodic forcing of the network when it i... | [
"math.DS"
] | null | [
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{
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] | [
{
"author_id": "c laing_1",
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{
"author_id": "i kevrekidis_1",
"name": "Ioannis [\"G.\"] Kevrekidis",
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... | null |
10018706 | cond-mat/0612365 | 2006-12-14 | Gibbs States and the Set of Solutions of Random Constraint Satisfaction Problems | An instance of a random constraint satisfaction problem defines a random subset S (the set of solutions) of a large product space (the set of assignments). We consider two prototypical problem ensembles (random k-satisfiability and q-coloring of random regular graphs), and study the uniform measure with support on S. A... | [
"cond-mat.stat-mech",
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"cs.CC"
] | null | [
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{
"author_id": "f krzakala_1",
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{
"author_id": "a montanari_2",
"name": "Andrea Montanari",
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18729060 | astro-ph/0612377 | 2006-12-14 | The results of ATIC-2 experiment for elemental spectra of cosmic rays | The results of ATIC-2 baloon experiment (2002-2003) for energy spectra of protons, He, C, O, Ne, Mg, Si, Fe, some groups of nuclei, and all-particle spectrum in primary cosmic rays are presented in energy region 50GeV--200TeV. The conclusion is that the spectra of protons and helium nuclei are essentially different (th... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15310955 | math/0612415 | 2006-12-14 | The density of prime divisors in the arithmetic dynamics of quadratic polynomials | We consider integer recurrences of the form a_n = f(a_{n-1}), where f is a quadratic polynomial with integer coefficients. We show, for four infinite families of f, that the set of primes dividing at least one term of such a sequence must have density zero, regardless of choice of a_0. The proof relies on tools from gr... | [
"math.NT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6916591 | astro-ph/0612360 | 2006-12-14 | The XMM-Newton wide-field survey in the COSMOS field: VI. Statistical properties of clusters of galaxies | We present the results of a search for galaxy clusters in the first 36 XMM-Newton pointings on the COSMOS field. We reach a depth for a total cluster flux in the 0.5-2 keV band of 3x10-15 ergs cm-2 s-1, having one of the widest XMM-Newton contiguous raster surveys, covering an area of 2.1 square degrees. Cluster candid... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
96230 | astro-ph/0612370 | 2006-12-14 | Multiscale Methods | The lecture introduces a trous wavelet transforms, explains how to estimate the spatial density for galaxy distributions, and, finally, how to describe the morphology of cosmological density fields. An example application of these methods to the 2dFGRS gives unexpected results. | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119530552 | astro-ph/0612365 | 2006-12-14 | SHARC-II Mapping of Spitzer c2d Small Clouds and Cores | We present the results of a submillimeter survey of 53 low-mass dense cores with the Submillimeter High Angular Resolution Camera II (SHARC-II). The survey is a follow-up project to the Spitzer Legacy Program ``From Molecular Cores to Planet-Forming Disks'', with the purpose being to create a complete data set of nearb... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118946458 | cond-mat/0612414 | 2006-12-15 | Phase separation and nanostructuring in the thermoelectric material PbTe1-xSx | The average and local structures of the (PbTe)1-x(PbS)x system of thermoelectric materials has been studied using the Rietveld and atomic pair distribution function (PDF) methods. Samples with 0:25 < x are macroscopically phase separated. Phase separation was suppressed in a quenched x = 0:5 sample which, nonetheless, ... | [
"cond-mat.mtrl-sci",
"cond-mat.other"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "h lin_68",
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{
"author_id": "e bozin_1",
"name": "Emil [\"S.\"] Bozin",
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"h_index": null,
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"nu... | null |
118393238 | astro-ph/0612414 | 2006-12-15 | Mean ZZ Ceti pulsation period gauges stellar temperature | The mean pulsation period of ZZ Ceti stars increases with decreasing effective temperature as we traverse from the blue to the red edge of the instability strip. This well-established correlation between the mean period and spectroscopic temperature suggests that the mean period could be utilized as a tool to measure t... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a mukadam_1",
"name": "Anjum [\"Shagufta\"] Mukadam",
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{
"author_id": "m montgomery_2",
"name": "Michael [\"H.\"] Montgomery",
"publication_history": null,
"h_index":... | null |
10803040 | astro-ph/0612428 | 2006-12-15 | An Explanation for the Observed Weak Size Evolution of Disk Galaxies | Surveys of distant galaxies with the Hubble Space Telescope and from the ground have shown that there is only mild evolution in the relationship between radial size and stellar mass for galactic disks from z~1 to the present day. Using a sample of nearby disk-dominated galaxies from the Sloan Digital Sky Survey (SDSS),... | [
"astro-ph"
] | null | [
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{
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{
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{
"corpus_id": "15829847",
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{
"author_id": "r somerville_2",
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{
"author_id": "m barden_1",
"name": "Marco Barden",
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3260510 | cs/0612076 | 2006-12-15 | A New Approach for Capacity Analysis of Large Dimensional Multi-Antenna Channels | This paper adresses the behaviour of the mutual information of correlated MIMO Rayleigh channels when the numbers of transmit and receive antennas converge to infinity at the same rate. Using a new and simple approach based on Poincar\'{e}-Nash inequality and on an integration by parts formula, it is rigorously establi... | [
"cs.IT",
"math.IT",
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119522743 | cond-mat/0612430 | 2006-12-16 | Laplacian-level density functionals for the kinetic energy density and exchange-correlation energy | We construct a Laplacian-level meta-generalized gradient approximation (meta-GGA) for the non-interacting (Kohn-Sham orbital) positive kinetic energy density $\tau$ of an electronic ground state of density $n$. This meta-GGA is designed to recover the fourth-order gradient expansion $\tau^{GE4}$ in the appropiate slowl... | [
"cond-mat.mtrl-sci"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15935787 | math/0612488 | 2006-12-17 | Sequential Implementation of Monte Carlo Tests with Uniformly Bounded Resampling Risk | This paper introduces an open-ended sequential algorithm for computing the p-value of a test using Monte Carlo simulation. It guarantees that the resampling risk, the probability of a different decision than the one based on the theoretical p-value, is uniformly bounded by an arbitrarily small constant. Previously sugg... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
119362630 | hep-ph/0612203 | 2006-12-17 | Search for millicharged particles in reactor neutrino experiments: a probe of the PVLAS anomaly | It has been recently suggested that the vacuum magnetic dichroism observed by the PVLAS experiment could be explained by the pair production of a new light, m ~0.1 eV, millicharged, q ~ 3 10^{-6} e, fermions. In addition, it has been pointed out that millicharged particles with q > 10^{-9} e appear naturally in models ... | [
"hep-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "s gninenko_1",
"name": "Sergei [\"N.\"] Gninenko",
"publication_history": null,
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"num_papers": null,
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},
{
"author_id": "s gninenko_1",
"name": "Sergei [\"N.\"] Gninenko",
"publication_history": null,
"h_index": null,
... | null |
20664720 | physics/0612167 | 2006-12-17 | Fluctuation theorem for entropy production during effusion of an ideal gas with momentum transfer | We derive an exact expression for entropy production during effusion of an ideal gas driven by momentum transfer in addition to energy and particle flux. Following the treatment in Phys. Rev. E Vol. 74, 021117 (2006), we construct a master equation formulation of the process and explicitly verify the thermodynamic fluc... | [
"physics.class-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "k wood_4",
"name": "Kevin Wood",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "c broeck_1",
"name": "Chris [\"Van\",\"Den\"] Broeck",
"publication_history": null,
"h_index": null,
"num_papers... | null |
119092768 | quant-ph/0612146 | 2006-12-17 | Quantifying Superposition | Measures are introduced to quantify the degree of superposition in mixed states with respect to orthogonal decompositions of the Hilbert space of a quantum system. These superposition measures can be regarded as analogues to entanglement measures, but can also be put in a more direct relation to the latter. By a second... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2317676 | physics/0612169 | 2006-12-18 | Clustering in Complex Directed Networks | Many empirical networks display an inherent tendency to cluster, i.e. to form circles of connected nodes. This feature is typically measured by the clustering coefficient (CC). The CC, originally introduced for binary, undirected graphs, has been recently generalized to weighted, undirected networks. Here we extend the... | [
"physics.soc-ph"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
2019983 | cs/0612085 | 2006-12-18 | The Parma Polyhedra Library: Toward a Complete Set of Numerical Abstractions for the Analysis and Verification of Hardware and Software Systems | Since its inception as a student project in 2001, initially just for the handling (as the name implies) of convex polyhedra, the Parma Polyhedra Library has been continuously improved and extended by joining scrupulous research on the theoretical foundations of (possibly non-convex) numerical abstractions to a total ad... | [
"cs.MS",
"cs.PL"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
117869591 | astro-ph/0612511 | 2006-12-18 | The Ages and Masses of Lyman Alpha Galaxies at Redshift $z\sim 4.5$ | We examine the stellar populations of a sample of 98 redshift 4.5 Lyman alpha emitting galaxies using their broadband colors derived from deep photometry at the MMT. These galaxies were selected by narrowband excess from the Large Area Lyman Alpha survey. Twenty-two galaxies are detected in two or more of our MMT filte... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15098154 | math/0612517 | 2006-12-18 | On the hyperplane conjecture for random convex sets | Let N > n, and denote by K the convex hull of N independent standard gaussian random vectors in an n-dimensional Euclidean space. We prove that with high probability, the isotropic constant of K is bounded by a universal constant. Thus we verify the hyperplane conjecture for the class of gaussian random polytopes. | [
"math.MG",
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
119415057 | cond-mat/0612506 | 2006-12-19 | Quadratic invariants of elastic moduli | A quadratic invariant is defined as a quadratic form in the elements of a tensor that remains invariant under a group of coordinate transformations. It is proved that there are 7 quadratic invariants of the 21-element elastic modulus tensor under SO(3) and 35 under SO(2). This answers some open questions raised by Ting... | [
"cond-mat.mtrl-sci"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14654802 | math/0612562 | 2006-12-19 | Some geometric calculations on Wasserstein space | We compute the Riemannian connection and curvature for the Wasserstein space of a smooth compact Riemannian manifold. | [
"math.DG"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16798479 | quant-ph/0612165 | 2006-12-19 | Optimal control of a qubit coupled to a non-Markovian environment | A central challenge for implementing quantum computing in the solid state is decoupling the qubits from the intrinsic noise of the material. We investigate the implementation of quantum gates for a paradigmatic, non-Markovian model: A single qubit coupled to a two-level system that is exposed to a heat bath. We systema... | [
"quant-ph",
"cond-mat.mes-hall"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "p rebentrost_1",
"name": "Patrick Rebentrost",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "i serban_2",
"name": "Ioana Serban",
"publication_history": null,
"h_index": null,
"num_papers": n... | null |
18167922 | astro-ph/0612556 | 2006-12-19 | Testing for monotonicity in the Hubble diagram | General relativistic kinematics and the cosmological principle alone imply a monotonicity constraint in the Hubble diagram, which we confront to present-day supernova data. We use the running gradient method of statistical inference by Hall & Heckman (2000). We find no significant departure from monotonicity. The metho... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "n meinshausen_1",
"name": "Nicolai Meinshausen",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "j rice_2",
"name": "John [\"A.\"] Rice",
"publication_history": null,
"h_index": null,
"num_pape... | null |
122998078 | hep-ph/0612228 | 2006-12-19 | Are small neutrino masses unveiling the missing mass problem of the Universe? | We present a scenario in which a remarkably simple relation linking dark matter properties and neutrino masses naturally emerges. This framework points towards a low energy theory where the neutrino mass originates from the existence of a light scalar dark matter particle in the MeV mass range. A very surprising aspect... | [
"hep-ph",
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
4852513 | quant-ph/0612155 | 2006-12-19 | A father protocol for quantum broadcast channels | A new protocol for quantum broadcast channels based on the fully quantum Slepian-Wolf protocol is presented. The protocol yields an achievable rate region for entanglement-assisted transmission of quantum information through a quantum broadcast channel that can be considered the quantum analogue of Marton's region for ... | [
"quant-ph",
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
503878 | cs/0612101 | 2006-12-20 | Maximum Entropy MIMO Wireless Channel Models | In this contribution, models of wireless channels are derived from the maximum entropy principle, for several cases where only limited information about the propagation environment is available. First, analytical models are derived for the cases where certain parameters (channel energy, average energy, spatial correlat... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m guillaud_1",
"name": "Maxime Guillaud",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "m debbah_1",
"name": "Mérouane Debbah",
"publication_history": null,
"h_index": null,
"num_papers": nul... | null |
3943512 | cs/0612097 | 2006-12-20 | Error Exponents for Variable-length Block Codes with Feedback and Cost Constraints | Variable-length block-coding schemes are investigated for discrete memoryless channels with ideal feedback under cost constraints. Upper and lower bounds are found for the minimum achievable probability of decoding error $P_{e,\min}$ as a function of constraints $R, \AV$, and $\bar \tau$ on the transmission rate, avera... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
60056 | cs/0612102 | 2006-12-20 | The Dichotomy of Conjunctive Queries on Probabilistic Structures | We show that for every conjunctive query, the complexity of evaluating it on a probabilistic database is either \PTIME or #\P-complete, and we give an algorithm for deciding whether a given conjunctive query is \PTIME or #\P-complete. The dichotomy property is a fundamental result on query evaluation on probabilistic d... | [
"cs.DB"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
16789528 | math/0612580 | 2006-12-20 | Gaussian processes, kinematic formulae and Poincar\'e's limit | We consider vector valued, unit variance Gaussian processes defined over stratified manifolds and the geometry of their excursion sets. In particular, we develop an explicit formula for the expectation of all the Lipschitz--Killing curvatures of these sets. Whereas our motivation is primarily probabilistic, with statis... | [
"math.DG",
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14791986 | math/0612623 | 2006-12-20 | Estimation and confidence sets for sparse normal mixtures | For high dimensional statistical models, researchers have begun to focus on situations which can be described as having relatively few moderately large coefficients. Such situations lead to some very subtle statistical problems. In particular, Ingster and Donoho and Jin have considered a sparse normal means testing pro... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14121423 | math/0612609 | 2006-12-20 | The Length of an SLE - Monte Carlo Studies | The scaling limits of a variety of critical two-dimensional lattice models are equal to the Schramm-Loewner evolution (SLE) for a suitable value of the parameter kappa. These lattice models have a natural parametrization of their random curves given by the length of the curve. This parametrization (with suitable scalin... | [
"math.PR",
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14818257 | hep-th/0612224 | 2006-12-20 | Glueballs vs. Gluinoballs: Fluctuation Spectra in Non-AdS/Non-CFT | Building on earlier results on holographic bulk dynamics in confining gauge theories, we compute the spin-0 and spin-2 spectra of gauge theories dual to the non-singular Maldacena-Nunez and Klebanov-Strassler supergravity backgrounds. We construct and apply a numerical recipe for computing mass spectra from certain det... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
12951067 | math/0612574 | 2006-12-20 | Coarse-grained dynamics of an activity bump in a neural field model | We study a stochastic nonlocal PDE, arising in the context of modelling spatially distributed neural activity, which is capable of sustaining stationary and moving spatially-localized ``activity bumps''. This system is known to undergo a pitchfork bifurcation in bump speed as a parameter (the strength of adaptation) is... | [
"math.DS"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "c laing_1",
"name": "Carlo [\"R.\"] Laing",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "t frewen_1",
"name": "Thomas [\"A.\"] Frewen",
"publication_history": null,
"h_index": null,
"num_pap... | null |
118927946 | hep-ph/0612275 | 2006-12-21 | The Inert Doublet Model: an Archetype for Dark Matter | The Inert Doublet Model (IDM), a two Higgs extension of the Standard Model with an unbroken $Z_2$ symmetry, is a simple and yet rich model of dark matter. We present a systematic analysis of the dark matter abundance and investigate the potentialities for direct and gamma indirect detection. We show that the model shou... | [
"hep-ph",
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17022123 | astro-ph/0612664 | 2006-12-21 | Dead Zone Formation and Nonsteady Hyperaccretion in Collapsar Disks : A Possible Origin of Short-Term Variability in the Prompt Emission of Gamma-Ray Bursts | The central engine of gamma-ray bursts (GRBs) is believed to be a hot and dense disk with hyperaccretion onto a few solar-mass black hole. We investigate where the magnetorotational instability (MRI) actively operates in the hyperaccretion disk, which can cause angular momentum transport in the disk. The inner region o... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15881659 | cond-mat/0612554 | 2006-12-21 | Accurate determination of elastic parameters for multi-component membranes | Heterogeneities in the cell membrane due to coexisting lipid phases have been conjectured to play a major functional role in cell signaling and membrane trafficking. Thereby the material properties of multiphase systems, such as the line tension and the bending moduli, are crucially involved in the kinetics and the asy... | [
"cond-mat.soft"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "s semrau_2",
"name": "Stefan Semrau",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "t idema_0",
"name": "Timon Idema",
"publication_history": null,
"h_index": null,
"num_papers": null,
"n... | null |
12120953 | astro-ph/0612666 | 2006-12-21 | Improved Distances to Type Ia Supernovae with Multicolor Light Curve Shapes: MLCS2k2 | We present an updated version of the Multicolor Light Curve Shape method to measure distances to type Ia supernovae (SN Ia), incorporating new procedures for K-correction and extinction corrections. We also develop a simple model to disentangle intrinsic color variations and reddening by dust, and expand the method to ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
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