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12377236
cond-mat/0409620
2004-09-23
System size stochastic resonance in a model for opinion formation
We study a model for opinion formation which incorporates three basic ingredients for the evolution of the opinion held by an individual: imitation, influence of fashion and randomness. We show that in the absence of fashion, the model behaves as a bistable system with random jumps between the two stable states with a ...
[ "cond-mat.stat-mech" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "c tessone_1", "name": "Claudio [\"J.\"] Tessone", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "r toral_1", "name": "Raúl Toral", "publication_history": null, "h_index": null, "num_papers": n...
null
221242493
math/0409471
2004-09-24
Sharp optimality for density deconvolution with dominating bias
We consider estimation of the common probability density $f$ of i.i.d. random variables $X_i$ that are observed with an additive i.i.d. noise. We assume that the unknown density $f$ belongs to a class $\mathcal{A}$ of densities whose characteristic function is described by the exponent $\exp(-\alpha |u|^r)$ as $|u|\to ...
[ "math.ST", "stat.TH" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
1805465
math-ph/0409066
2004-09-24
MOPS: Multivariate Orthogonal Polynomials (symbolically)
In this paper we present a Maple library (MOPs) for computing Jack, Hermite, Laguerre, and Jacobi multivariate polynomials, as well as eigenvalue statistics for the Hermite, Laguerre, and Jacobi ensembles of Random Matrix theory. We also compute multivariate hypergeometric functions, and offer both symbolic and numeric...
[ "math-ph", "math.MP" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
11199304
astro-ph/0409580
2004-09-24
New estimates of the contribution of Wolf--Rayet stellar winds to the Galactic 26Al
We present new yields of 26Al from Wolf--Rayet stellar winds based on rotating stellar models which account well for numerous observed properties of massive stars. We study the impacts on the yields of a change of initial mass, metallicity and initial rotation velocity. We also consider the effects of a change of mass ...
[ "astro-ph" ]
null
[ "target.author.publication_history" ]
[ { "corpus_id": "15173026", "num_citations": null }, { "corpus_id": "15405195", "num_citations": null } ]
[ { "author_id": "a palacios_1", "name": "Ana Palacios", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "g meynet_1", "name": "Georges Meynet", "publication_history": null, "h_index": null, "num_papers": null, ...
null
119434550
hep-th/0409262
2004-09-24
Perturbative calculation of quasi-normal modes
I discuss a systematic method of analytically calculating the asymptotic form of quasi-normal frequencies. In the case of a four-dimensional Schwarzschild black hole, I expand around the zeroth-order approximation to the wave equation proposed by Motl and Neitzke. In the case of a five-dimensional AdS black hole, I dis...
[ "hep-th" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "g siopsis_1", "name": "George Siopsis", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null } ]
null
119352399
gr-qc/0409093
2004-09-24
Energy Flux Correlations and Moving Mirrors
We study the quantum stress tensor correlation function for a massless scalar field in a flat two-dimensional spacetime containing a moving mirror. We construct the correlation functions for right-moving and left-moving fluxes for an arbitrary trajectory, and then specialize them to the case of a mirror trajectory for ...
[ "gr-qc", "hep-th", "quant-ph" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
2813647
math/0409485
2004-09-24
Invariant manifolds for stochastic partial differential equations
Invariant manifolds provide the geometric structures for describing and understanding dynamics of nonlinear systems. The theory of invariant manifolds for both finite and infinite dimensional autonomous deterministic systems, and for stochastic ordinary differential equations is relatively mature. In this paper, we pre...
[ "math.DS", "math.AP" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
16522878
astro-ph/0409598
2004-09-24
Three-Dimensional Delayed-Detonation Model of Type Ia Supernova
We study a Type Ia supernova explosion using large-scale three-dimensional numerical simulations based on reactive fluid dynamics with a simplified mechanism for nuclear reactions and energy release. The initial deflagration stage of the explosion involves a subsonic turbulent thermonuclear flame propagating in the gra...
[ "astro-ph" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
10413043
astro-ph/0409593
2004-09-24
Pre-Maximum Spectropolarimetry of the Type Ia SN 2004dt
We report observations of SN 2004dt obtained with the Very Large Telescope of the European Southern Observatory on August 13.30, 2004 when the supernova was more than a week before optical maximum. SN 2004dt showed strong lines of \ion{O}{1}, \ion{Mg}{2}, \ion{Si}{2}, and \ion{Ca}{2} with typical velocities of absorpti...
[ "astro-ph" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
7466206
astro-ph/0409575
2004-09-24
Properties of Two Hypernovae Entering the Nebular Phase: SN 1997ef and SN 1997dq
The two peculiar Type Ic supernovae (SNe) 1997ef and 1997dq are shown to have very similar photometric and spectral evolution in the epochs when both SNe are observed (i.e. beyond $\sim 80$ days after the explosion). The early light curves and spectra of SN 1997ef suggested that this was a ``hypernova,'' or ``SN 1998bw...
[ "astro-ph" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
14281586
math/0409491
2004-09-25
Images of the Brownian Sheet
An N-parameter Brownian sheet in R^d maps a non-random compact set F in R^N_+ to the random compact set B(F) in \R^d. We prove two results on the image-set B(F): (1) It has positive d-dimensional Lebesgue measure if and only if F has positive (d/2)-dimensional capacity. This generalizes greatly the earlier works of J. ...
[ "math.PR" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
14329541
hep-th/0409266
2004-09-25
Modular Bootstrap of Boundary N=2 Liouville Theory
We present our recent studies on the dynamics of boundary N=2 Liouville theory. We use the representation theory of N=2 superconformal algebra and the method of modular bootstrap to derive three classes of boundary states of the N=2 Liouville theory. Class 1 and 2 branes are analogues of ZZ and FZZT branes of N=0,1 Lio...
[ "hep-th" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
17015014
astro-ph/0409604
2004-09-25
Fading of the Transient Anomalous X-ray Pulsar XTE J1810-197
Three observations of the 5.54 s Transient Anomalous X-ray Pulsar XTE J1810-197 obtained over 6 months with the Newton X-Ray Multi-Mirror Mission (XMM-Newton) are used to study its spectrum and pulsed light curve as the source fades from outburst. The decay is consistent with an exponential of time constant 300 days, b...
[ "astro-ph" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
12947221
cs/0409053
2004-09-26
On the role of MMSE estimation in approaching the information-theoretic limits of linear Gaussian channels: Shannon meets Wiener
We discuss why MMSE estimation arises in lattice-based schemes for approaching the capacity of linear Gaussian channels, and comment on its properties.
[ "cs.IT", "math.IT" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
41767077
cond-mat/0409683
2004-09-26
Two-parameter deformations of logarithm, exponential, and entropy: A consistent framework for generalized statistical mechanics
A consistent generalization of statistical mechanics is obtained by applying the maximum entropy principle to a trace-form entropy and by requiring that physically motivated mathematical properties are preserved. The emerging differential-functional equation yields a two-parameter class of generalized logarithms, from ...
[ "cond-mat.stat-mech", "hep-th", "physics.data-an" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
250764096
cond-mat/0409687
2004-09-26
Geometric origin of excess low-frequency vibrational modes in amorphous solids
Glasses have a large excess of low-frequency vibrational modes in comparison with crystalline solids. We show that such a feature is a necessary consequence of the geometry generic to weakly connected solids. In particular, we analyze the density of states of a recently simulated system, comprised of weakly compressed ...
[ "cond-mat.soft", "cond-mat.dis-nn" ]
null
[ "target.author.publication_history", "target.author.publication_history.key_reference" ]
[]
[ { "author_id": "m wyart_1", "name": "Matthieu Wyart", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "s nagel_1", "name": "Sidney [\"R.\"] Nagel", "publication_history": null, "h_index": null, "num_papers": nu...
null
23835328
physics/0409137
2004-09-27
The OPERA magnetic spectrometer
The OPERA neutrino oscillation experiment foresees the construction of two magnetized iron spectrometers located after the lead-nuclear emulsion targets. The magnet is made up of two vertical walls of rectangular cross section connected by return yokes. The particle trajectories are measured by high precision drift tub...
[ "physics.ins-det" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "m ambrosio_1", "name": "M. Ambrosio", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "r brugnera_2", "name": "R. Brugnera", "publication_history": null, "h_index": null, "num_papers": null, ...
null
118978224
nucl-ex/0409023
2004-09-27
Centrality and $\sqrt{s_{NN}} Dependence of the $dE_{T}/d\eta$ and $dN_{ch}/d\eta$ in Heavy Ion Collisions at Mid-Rapidity
The PHENIX experiment at RHIC has measured transverse energy and charged particle multiplicity at mid-rapidity in Au + Au collisions at $\sqrt{s_{NN}}$ = 19.6, 130, 62.4 and 200 GeV as a function of centrality. The presented results are compared to measurements from other RHIC experiments, and experiments at lower ener...
[ "nucl-ex" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
119343575
astro-ph/0409650
2004-09-27
Mismatch between X-ray and emission-weighted temperatures in galaxy clusters: cosmological implications
The thermal properties of hydrodynamical simulations of galaxy clusters are usually compared to observations by relying on the emission-weighted temperature T_ew, instead of on the spectroscopic X-ray temperature T_spec, which is obtained by actual observational data. In a recent paper Mazzotta et al. show that, if the...
[ "astro-ph" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
46016111
hep-ph/0409313
2004-09-27
Factorization of Hard Processes in QCD
We summarize the standard factorization theorems for hard processes in QCD, and describe their proofs.
[ "hep-ph" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
119093344
astro-ph/0409644
2004-09-27
Diamonds in HD 97048
We present adaptive optics high angular resolution ($\sim0\farcs$1) spectroscopic observations in the 3 $\mu$m region of the Herbig Ae/Be star HD 97048. For the first time, we spatially resolve the emission in the diamond features at 3.43 and 3.53 $\mu$m and in the adjacent continuum. Using both the intensity profiles ...
[ "astro-ph" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
18209044
cond-mat/0409696
2004-09-27
A New Measurement of Dynamic Critical exponent of Wolff Algorithm by Dynamic Finite Size Scaling
In this work we have calculated the dynamic critical exponent $z$ for 2-, 3- and 4-dimensional Ising models using the Wolff's algorithm through dynamic finite size scaling. We have studied time evolution of the average cluster size, the magnetization and higher moments of the magnetization. It is observed that dynamic ...
[ "cond-mat.stat-mech" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "m dilaver_1", "name": "M. Dilaver", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "s gunducc_1", "name": "Semra Gunducc", "publication_history": null, "h_index": null, "num_papers": null, ...
null
119444387
astro-ph/0409700
2004-09-28
Sloan Digital Sky Survey Imaging of Low Galactic Latitude Fields: Technical Summary and Data Release
The Sloan Digital Sky Survey (SDSS) mosaic camera and telescope have obtained five-band optical-wavelength imaging near the Galactic plane outside of the nominal survey boundaries. These additional data were obtained during commissioning and subsequent testing of the SDSS observing system, and they provide unique wide-...
[ "astro-ph" ]
null
[ "target.author.publication_history" ]
[ { "corpus_id": "119455007", "num_citations": null } ]
[ { "author_id": "d finkbeiner_1", "name": "Douglas [\"P.\"] Finkbeiner", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "n padmanabhan_1", "name": "Nikhil Padmanabhan", "publication_history": null, "h_index": null,...
null
17196718
nucl-ex/0409026
2004-09-28
Isotopic Scaling and the Symmetry Energy in Spectator Fragmentation
Isotopic effects in the fragmentation of excited target residues following collisions of $^{12}$C on $^{112,124}$Sn at incident energies of 300 and 600 MeV per nucleon were studied with the INDRA 4$\pi$ detector. The measured yield ratios for light particles and fragments with atomic number $Z \leq$ 5 obey the exponent...
[ "nucl-ex" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "t indra_0", "name": "the Indra", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "a fèvre_1", "name": "A. [\"Le\"] Fèvre", "publication_history": null, "h_index": null, "num_papers": null, "...
null
22033691
nucl-th/0409068
2004-09-28
Apparent Thermalization due to Plasma Instabilities in Quark-Gluon Plasma
Hydrodynamical modeling of heavy ion collisions at RHIC suggests that the quark-gluon plasma (QGP) "thermalizes" in a remarkably short time scale, about 0.6 fm/c. We argue that this should be viewed as indicating fast isotropization, but not necessarily complete thermalization, of the non-equilibrium QGP. Non-Abelian p...
[ "nucl-th", "hep-ph" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
1761718
math/0409548
2004-09-28
On mutual information, likelihood-ratios and estimation error for the additive Gaussian channel
This paper considers the model of an arbitrary distributed signal x observed through an added independent white Gaussian noise w, y=x+w. New relations between the minimal mean square error of the non-causal estimator and the likelihood ratio between y and \omega are derived. This is followed by an extended version of a...
[ "math.PR", "cs.IT", "math.IT", "math.ST", "stat.TH" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
17270946
astro-ph/0409691
2004-09-28
Determination Of Electron Flux Spectra In A Solar Flare With An Augmented Regularization Method: Application To Rhessi Data
Kontar et al. (2004) have shown how to recover mean source electron spectra in solar flares through a physical constraint regularization analysis of the bremsstrahlung photon spectra that they produce. They emphasize the use of non-square inversion techniques, and preconditioning combined with physical properties of th...
[ "astro-ph" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "e kontar_1", "name": "E. [\"P.\"] Kontar", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "a emslie_1", "name": "A. [\"Gordon\"] Emslie", "publication_history": null, "h_index": null, "num_pape...
null
18587880
astro-ph/0409695
2004-09-28
Elemental Abundances in Two High Column Density Damped Lyman Alpha Systems at z < 1.5
We present Keck/HIRES abundance measurements and metal-line kinematic profiles of the damped Lyman alpha systems (DLAs) towards the quasars Q0933+733 (z_abs=1.479) and Q0948+433 (z_abs=1.233). These two DLAs have among the five highest HI column densities at any redshift: N(HI)=4.2E21 cm^{-2}. The metal-line data, pres...
[ "astro-ph" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
18251431
astro-ph/0409708
2004-09-29
Coevolution of the galactic cores and spiral galaxies
Using high-resolution N-body/SPH simulations with $2\times 10^6$ particles, we investigate the evolution of stellar and gaseous galactic cores during the hierarchical formation of a spiral galaxy. We find that the galactic core ($r < 300 $ pc) coevolves with the host galaxy. The average mass ratio between the baryonic ...
[ "astro-ph" ]
null
[ "target.author.publication_history" ]
[ { "corpus_id": "14629589", "num_citations": null }, { "corpus_id": "15614683", "num_citations": null }, { "corpus_id": "119339026", "num_citations": null } ]
[ { "author_id": "t saitoh_2", "name": "Takayuki [\"R.\"] Saitoh", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "k wada_4", "name": "Keiichi Wada", "publication_history": null, "h_index": null, "num_papers": n...
null
2319284
cs/0409057
2004-09-29
Fast Construction of Nets in Low Dimensional Metrics, and Their Applications
We present a near linear time algorithm for constructing hierarchical nets in finite metric spaces with constant doubling dimension. This data-structure is then applied to obtain improved algorithms for the following problems: Approximate nearest neighbor search, well-separated pair decomposition, compact representatio...
[ "cs.DS", "cs.CG" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
388
cs/0409058
2004-09-29
A Sentimental Education: Sentiment Analysis Using Subjectivity Summarization Based on Minimum Cuts
Sentiment analysis seeks to identify the viewpoint(s) underlying a text span; an example application is classifying a movie review as "thumbs up" or "thumbs down". To determine this sentiment polarity, we propose a novel machine-learning method that applies text-categorization techniques to just the subjective portions...
[ "cs.CL" ]
null
[ "target.author.publication_history.key_reference", "target.key_reference" ]
null
null
null
17703335
hep-ph/0409345
2004-09-29
Higgs Boson Production with Bottom Quarks at Hadron Colliders
We present results for the production cross section of a Higgs Boson with a pair of bottom/anti-bottom quarks, including next-to-leading order (NLO) QCD corrections.
[ "hep-ph" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
67820379
astro-ph/0409709
2004-09-29
Spectroscopic survey of the Galaxy with Gaia I. Design and performance of the Radial Velocity Spectrometer
The definition and optimisation studies for the Gaia satellite spectrograph, the Radial Velocity Spectrometer (RVS), converged in late 2002 with the adoption of the instrument baseline. This paper reviews the characteristics of the selected configuration and presents its expected performance. The RVS is a 2.0 by 1.6 de...
[ "astro-ph" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
15722238
cond-mat/0409751
2004-09-29
Formulas and equations for finding scattering data from the Dirichlet-to-Neumann map with nonzero background potential
For the Schrodinger equation at fixed energy with a potential supported in a bounded domain we give formulas and equations for finding scattering data from the Dirichlet-to-Neumann map with nonzero background potential. For the case of zero background potential these results were obtained in [R.G.Novikov, Multidimensio...
[ "cond-mat.other", "math.AP" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
2731885
astro-ph/0409734
2004-09-29
A Beginner's Guide to the Theory of CMB Temperature and Polarization Power Spectra in the Line-of-Sight Formalism
We present here a detailed, self--contained treatment of the mathematical formalism for describing the theory of polarized anisotropy in the cosmic microwave background. This didactic review is aimed at researchers who are new to the field. We first develop the mathematical tools for describing polarized scattering of ...
[ "astro-ph" ]
null
[ "target.author.publication_history" ]
[ { "corpus_id": "119353722", "num_citations": null }, { "corpus_id": "16825580", "num_citations": null }, { "corpus_id": "11977065", "num_citations": null }, { "corpus_id": "14488245", "num_citations": null }, { "corpus_id": "13377960", "num_citations": null ...
[ { "author_id": "y lin_12", "name": "Yen-Ting Lin", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "b wandelt_1", "name": "Benjamin [\"D.\"] Wandelt", "publication_history": null, "h_index": null, "num_papers":...
null
3474549
astro-ph/0409707
2004-09-29
Simulating the Soft X-ray excess in clusters of galaxies
The detection of excess of soft X-ray or Extreme Ultraviolet (EUV) radiation, above the thermal contribution from the hot intracluster medium (ICM), has been a controversial subject ever since the initial discovery of this phenomenon. We use a large--scale hydrodynamical simulation of a concordance $\Lambda$CDM model, ...
[ "astro-ph" ]
null
[ "target.author.publication_history" ]
[ { "corpus_id": "9656662", "num_citations": null }, { "corpus_id": "119412596", "num_citations": null }, { "corpus_id": "14876413", "num_citations": null } ]
[ { "author_id": "l cheng_34", "name": "L. [\"M.\"] Cheng", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "s borgani_1", "name": "Stefano Borgani", "publication_history": null, "h_index": null, "num_papers": nu...
null
27819422
quant-ph/0410001
2004-09-30
Optimal two-qubit quantum circuits using exchange interactions
The Heisenberg exchange interaction is a natural method to implement non-local (i.e., multi-qubit) quantum gates in quantum information processing. We consider quantum circuits comprising of $(SWAP)^\alpha $ gates, which are realized through the exchange interaction, and single-qubit gates. A universal two-qubit quantu...
[ "quant-ph" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "h fan_16", "name": "Heng Fan", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "v roychowdhury_1", "name": "Vwani [\"P.\"] Roychowdhury", "publication_history": null, "h_index": null, "num_paper...
null
53386025
cond-mat/0409772
2004-09-30
Role of heating and current-induced forces in the stability of atomic wires
We investigate the role of local heating and forces on ions in the stability of current-carrying aluminum wires. We find that heating increases with wire length due to a red shift of the frequency spectrum. Nevertheless, the local temperature of the wire is relatively low for a wide range of biases provided good therma...
[ "cond-mat.mes-hall" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "z yang_142", "name": "Z. Yang", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "m chshiev_0", "name": "Mair Chshiev", "publication_history": null, "h_index": null, "num_papers": null, "num_...
null
14323101
hep-th/0409314
2004-09-30
Stability and Thermodynamics of AdS Black Holes with Scalar Hair
Recently a class of static spherical black hole solutions with scalar hair was found in four and five dimensional gauged supergravity with modified, but AdS invariant boundary conditions. These black holes are fully specified by a single conserved charge, namely their mass, which acquires a contribution from the scalar...
[ "hep-th" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
16539660
astro-ph/0409758
2004-09-30
Variable stars in the bar of the Large Magellanic Cloud: the photometric catalogue
The catalogue of the Johnson-Cousins B,V and I light curves obtained for 162 variable stars (135 RR Lyrae, 4 candidate Anomalous Cepheids, 11 Classical Cepheids, 11 eclipsing binaries and 1 delta Scuti star) in two areas close to the bar of the Large Magellanic Cloud is presented along with coordinates, finding charts,...
[ "astro-ph" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
7303740
cond-mat/0410028
2004-10-01
Glassy behaviour in an exactly solved spin system with a ferromagnetic transition
We show that applying simple dynamical rules to Baxter's eight-vertex model leads to a system which resembles a glass-forming liquid. There are analogies with liquid, supercooled liquid, glassy and crystalline states. The disordered phases exhibit strong dynamical heterogeneity at low temperatures, which may be describ...
[ "cond-mat.stat-mech" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "r jack_1", "name": "Robert [\"L.\"] Jack", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "j garrahan_1", "name": "Juan [\"P.\"] Garrahan", "publication_history": null, "h_index": null, "num_pa...
null
5483189
cs/0410002
2004-10-01
Shannon Information and Kolmogorov Complexity
We compare the elementary theories of Shannon information and Kolmogorov complexity, the extent to which they have a common purpose, and where they are fundamentally different. We discuss and relate the basic notions of both theories: Shannon entropy versus Kolmogorov complexity, the relation of both to universal codin...
[ "cs.IT", "math.IT" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
8068483
astro-ph/0410037
2004-10-01
Monster Redshift Surveys through Dispersive Slitless Imaging: The Baryon Oscillation Probe
Wide-field imaging from space should not forget the dispersive dimension. We consider the capability of space-based imaging with a slitless grism: because of the low near-infrared background in space and the high sky-density of high redshift emission line galaxies this makes for a very powerful redshift machine with no...
[ "astro-ph" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
1028668
cs/0410003
2004-10-01
Capacity and Random-Coding Exponents for Channel Coding with Side Information
Capacity formulas and random-coding exponents are derived for a generalized family of Gel'fand-Pinsker coding problems. These exponents yield asymptotic upper bounds on the achievable log probability of error. In our model, information is to be reliably transmitted through a noisy channel with finite input and output a...
[ "cs.IT", "math.IT" ]
null
[ "target.author.publication_history.key_reference" ]
[]
[ { "author_id": "p moulin_1", "name": "Pierre Moulin", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "y wang_824", "name": "Y. Wang", "publication_history": null, "h_index": null, "num_papers": null, "num_...
null
119344223
astro-ph/0410044
2004-10-02
Which are the youngest protostars? Determining properties of confirmed and candidate Class0 sources by broad-band photometry
We searched the literature to obtain a complete list of known Class0 sources. A list of 95 confirmed or candidate objects was compiled. To the best of our knowledge, all published broad-band observations from 1mu to 3.5mm have been collected and are assembled in a catalogue. These data were used to determine physical p...
[ "astro-ph" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
3020054
hep-th/0410021
2004-10-02
N=4 Super-Yang-Mills Theory, QCD and Collider Physics
We review how (dimensionally regulated) scattering amplitudes in N=4 super-Yang-Mills theory provide a useful testing ground for perturbative QCD calculations relevant to collider physics, as well as another avenue for investigating the AdS/CFT correspondence. We describe the iterative relation for two-loop scattering ...
[ "hep-th" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
16088164
math/0410034
2004-10-02
Matrix models for circular ensembles
We describe an ensemble of (sparse) random matrices whose eigenvalues follow the Gibbs distribution for n particles of the Coulomb gas on the unit circle at inverse temperature beta. Our approach combines elements from the theory of orthogonal polynomials on the unit circle with ideas from recent work of Dumitriu and E...
[ "math.SP", "math-ph", "math.MP" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
118881175
astro-ph/0410086
2004-10-04
A Signature of Planetary Migration: The Origin of Asymmetric Capture in the 2:1 Resonance
The spatial distribution of Kuiper belt objects (KBOs) in 2:1 exterior resonance with Neptune constrains that planet's migration history. Numerical simulations demonstrate that fast planetary migration generates a larger population of KBOs trailing rather than leading Neptune in orbital longitude. This asymmetry corres...
[ "astro-ph" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
3965678
cond-mat/0410076
2004-10-04
Numerical study of a fragile three-dimensional kinetically constrained model
We numerically study the three-dimensional generalization of the kinetically constrained East model, the North-or-East-or-Front (NEF) model. We characterize the equilibrium behaviour of the NEF model in detail, measuring the temperature dependence of several quantities: alpha-relaxation time, distributions of relaxatio...
[ "cond-mat.stat-mech" ]
null
[ "target.author.publication_history", "target.author.publication_history.key_reference" ]
[]
[ { "author_id": "l berthier_1", "name": "Ludovic Berthier", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "j garrahan_1", "name": "Juan [\"P.\"] Garrahan", "publication_history": null, "h_index": null, "num_pa...
null
14236979
math/0410062
2004-10-04
Linear and dynamical stability of Ricci flat metrics
We can talk about two kinds of stability of the Ricci flow at Ricci flat metrics. One of them is a linear stability, defined with respect to Perelman's functional $\mathcal{F}$. The other one is a dynamical stability and it refers to a convergence of a Ricci flow starting at any metric in a neighbourhood of a considere...
[ "math.DG" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
11187671
math/0410066
2004-10-04
Validity of heavy traffic steady-state approximations in generalized Jackson Networks
We consider a single class open queueing network, also known as a generalized Jackson network (GJN). A classical result in heavy-traffic theory asserts that the sequence of normalized queue length processes of the GJN converge weakly to a reflected Brownian motion (RBM) in the orthant, as the traffic intensity approach...
[ "math.PR" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "d gamarnik_1", "name": "David Gamarnik", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "a zeevi_1", "name": "Assaf [\"J.\"] Zeevi", "publication_history": null, "h_index": null, "num_papers": ...
null
14244836
math/0410069
2004-10-05
A Broken Circuit Ring
Given a matroid M represented by a linear subspace L in n-space (equivalently by an arrangement of n hyperplanes in L), we define a graded ring R(L) which degenerates to the Stanley-Reisner ring of the broken circuit complex for any choice of ordering of the ground set. In particular, R(L) is Cohen-Macaulay, and may be...
[ "math.CO", "math.AC" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
119167733
math/0410123
2004-10-05
The cohomology structure of string algebras
We show that the graded commutative ring structure of the Hochschild cohomology HH*(A) is trivial in case A is a triangular quadratic string algebra. Moreover, in case A isgentle, the Lie algebra structure on HH*(A) is also trivial.
[ "math.KT", "math.RA" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
16825830
astro-ph/0410106
2004-10-05
The Primordial Binary Population - I: A near-infrared adaptive optics search for close visual companions to A star members of Scorpius OB2
We present the results of a near-infrared adaptive optics survey with the aim to detect close companions to Hipparcos members in the three subgroups of the nearby OB association Sco OB2: Upper Scorpius (US), Upper Centaurus Lupus (UCL) and Lower Centaurus Crux (LCC). We have targeted 199 A-type and late B-type stars in...
[ "astro-ph" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
3264811
quant-ph/0410040
2004-10-05
An Application of Quantum Finite Automata to Interactive Proof Systems
Quantum finite automata have been studied intensively since their introduction in late 1990s as a natural model of a quantum computer with finite-dimensional quantum memory space. This paper seeks their direct application to interactive proof systems in which a mighty quantum prover communicates with a quantum-automato...
[ "quant-ph", "cs.CC" ]
null
[ "target.author.publication_history", "target.author.publication_history.key_reference" ]
[ { "corpus_id": "697762", "num_citations": null }, { "corpus_id": "16906471", "num_citations": null }, { "corpus_id": "3264694", "num_citations": null } ]
[ { "author_id": "h nishimura_1", "name": "Harumichi Nishimura", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "t yamakami_1", "name": "Tomoyuki Yamakami", "publication_history": null, "h_index": null, "num_pap...
null
777472
math/0410088
2004-10-05
Needles and straw in haystacks: Empirical Bayes estimates of possibly sparse sequences
An empirical Bayes approach to the estimation of possibly sparse sequences observed in Gaussian white noise is set out and investigated. The prior considered is a mixture of an atom of probability at zero and a heavy-tailed density \gamma, with the mixing weight chosen by marginal maximum likelihood, in the hope of ada...
[ "math.ST", "stat.TH" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
38271657
math/0410104
2004-10-05
Normal approximation under local dependence
We establish both uniform and nonuniform error bounds of the Berry-Esseen type in normal approximation under local dependence. These results are of an order close to the best possible if not best possible. They are more general or sharper than many existing ones in the literature. The proofs couple Stein's method with ...
[ "math.PR" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
18244684
math/0410102
2004-10-05
Self-normalized processes: exponential inequalities, moment bounds and iterated logarithm laws
Self-normalized processes arise naturally in statistical applications. Being unit free, they are not affected by scale changes. Moreover, self-normalization often eliminates or weakens moment assumptions. In this paper we present several exponential and moment inequalities, particularly those related to laws of the ite...
[ "math.PR" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
117084862
math/0410110
2004-10-05
Potential theory for hyperbolic SPDEs
We give general sufficient conditions which imply upper and lower bounds for the probability that a multiparameter process hits a given set E in terms of a capacity of E related to the process. This extends a result of Khoshnevisan and Shi [Ann. Probab. 27 (1999) 1135-1159], where estimates for the hitting probabilitie...
[ "math.PR" ]
null
[ "target.author.publication_history", "target.author.publication_history.key_reference" ]
[]
[ { "author_id": "r dalang_1", "name": "Robert [\"C.\"] Dalang", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "e nualart_1", "name": "Eulalia Nualart", "publication_history": null, "h_index": null, "num_papers...
null
390320
math/0410092
2004-10-05
Generalization bounds for averaged classifiers
We study a simple learning algorithm for binary classification. Instead of predicting with the best hypothesis in the hypothesis class, that is, the hypothesis that minimizes the training error, our algorithm predicts with a weighted average of all hypotheses, weighted exponentially with respect to their training error...
[ "math.ST", "stat.TH" ]
null
[ "target.author.publication_history", "target.author.publication_history.key_reference" ]
[]
[ { "author_id": "y freund_1", "name": "Yoav Freund", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "y mansour_2", "name": "Y. Mansour", "publication_history": null, "h_index": null, "num_papers": null, "nu...
null
14916413
math/0410103
2004-10-05
Central limit theorems for iterated random Lipschitz mappings
Let M be a noncompact metric space in which every closed ball is compact, and let G be a semigroup of Lipschitz mappings of M. Denote by (Y_n)_{n\geq1} a sequence of independent G-valued, identically distributed random variables (r.v.'s), and by Z an M-valued r.v. which is independent of the r.v. Y_n, n\geq1. We consid...
[ "math.PR" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
912325
math/0410072
2004-10-05
Higher criticism for detecting sparse heterogeneous mixtures
Higher criticism, or second-level significance testing, is a multiple-comparisons concept mentioned in passing by Tukey. It concerns a situation where there are many independent tests of significance and one is interested in rejecting the joint null hypothesis. Tukey suggested comparing the fraction of observed signifi...
[ "math.ST", "stat.TH" ]
null
[ "target.author.publication_history", "target.author.publication_history.key_reference", "target.key_reference" ]
[]
[ { "author_id": "d donoho_1", "name": "David [\"L.\"] Donoho", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "j jin_13", "name": "Jiashun Jin", "publication_history": null, "h_index": null, "num_papers": null,...
null
14204786
math/0410105
2004-10-05
Limit theorems for a class of identically distributed random variables
A new type of stochastic dependence for a sequence of random variables is introduced and studied. Precisely, (X_n)_{n\geq 1} is said to be conditionally identically distributed (c.i.d.), with respect to a filtration (G_n)_{n\geq 0}, if it is adapted to (G_n)_{n\geq 0} and, for each n\geq 0, (X_k)_{k>n} is identically d...
[ "math.PR" ]
null
[ "target.author.publication_history.key_reference", "target.key_reference" ]
null
null
null
219298
math/0410076
2004-10-05
Game theory, maximum entropy, minimum discrepancy and robust Bayesian decision theory
We describe and develop a close relationship between two problems that have customarily been regarded as distinct: that of maximizing entropy, and that of minimizing worst-case expected loss. Using a formulation grounded in the equilibrium theory of zero-sum games between Decision Maker and Nature, these two problems a...
[ "math.ST", "stat.TH" ]
null
[ "target.author.publication_history.key_reference", "target.key_reference" ]
null
null
null
119465366
astro-ph/0410092
2004-10-05
Deconvolution Map-Making for Cosmic Microwave Background Observations
We describe a new map-making code for cosmic microwave background (CMB) observations. It implements fast algorithms for convolution and transpose convolution of two functions on the sphere (Wandelt & G\'{o}rski 2001). Our code can account for arbitrary beam asymmetries and can be applied to any scanning strategy. We de...
[ "astro-ph" ]
null
[ "target.author.publication_history", "target.author.publication_history.key_reference" ]
[]
[ { "author_id": "c armitage_0", "name": "Charmaine Armitage", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "b wandelt_1", "name": "Benjamin [\"D.\"] Wandelt", "publication_history": null, "h_index": null, "nu...
null
22933872
hep-ex/0410013
2004-10-05
Search for Excited and Exotic Electrons in the e-gamma Decay Channel in p-pbar Collisions at sqrt(s) = 1.96 TeV
We present a search for excited and exotic electrons (e*) decaying to an electron and a photon, both with high transverse momentum. We use 202/pb of data collected in p-pbar collisions at sqrt(s) = 1.96 TeV with the CDF II detector. No signal above Standard Model expectation is seen for associated ee* production. We di...
[ "hep-ex" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "d acosta_1", "name": "Darin Acosta", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "j adelman_1", "name": "Jahred Adelman", "publication_history": null, "h_index": null, "num_papers": null, ...
null
18092591
astro-ph/0410166
2004-10-06
NYU-VAGC: a galaxy catalog based on new public surveys
Here we present the New York University Value-Added Galaxy Catalog (NYU-VAGC), a catalog of local galaxies (mostly below a redshift of about 0.3) based on a set of publicly-released surveys (including the 2dFGRS, 2MASS, PSCz, FIRST, and RC3) matched to the Sloan Digital Sky Survey (SDSS) Data Release 2. Excluding areas...
[ "astro-ph" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
5224860
quant-ph/0410043
2004-10-06
Quantum algorithm to distinguish Boolean functions of different weights
We exploit Grover operator of database search algorithm for weight decision algorithm. In this research, weight decision problem is to find an exact weight w from given two weights as w1 and w2 where w1+w2=1 and 0<w1<w2<1. Firstly, if a Boolean function is given and when weights are {1/4,3/4}, we can find w with only o...
[ "quant-ph" ]
null
[ "target.author.publication_history" ]
[ { "corpus_id": "5742433", "num_citations": null }, { "corpus_id": "207198067", "num_citations": null } ]
[ { "author_id": "s braunstein_1", "name": "Samuel [\"L.\"] Braunstein", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "b choi_2", "name": "Byung-Soo Choi", "publication_history": null, "h_index": null, "num_pa...
null
5440369
cs/0410014
2004-10-06
Normal forms for Answer Sets Programming
Normal forms for logic programs under stable/answer set semantics are introduced. We argue that these forms can simplify the study of program properties, mainly consistency. The first normal form, called the {\em kernel} of the program, is useful for studying existence and number of answer sets. A kernel program is com...
[ "cs.AI" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "s costantini_1", "name": "Stefania Costantini", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "a provetti_1", "name": "Alessandro Provetti", "publication_history": null, "h_index": null, "num_...
null
119130207
math/0410168
2004-10-06
Measure concentration for Euclidean distance in the case of dependent random variables
Let q^n be a continuous density function in n-dimensional Euclidean space. We think of q^n as the density function of some random sequence X^n with values in \BbbR^n. For I\subset[1,n], let X_I denote the collection of coordinates X_i, i\in I, and let \bar X_I denote the collection of coordinates X_i, i\notin I. We den...
[ "math.PR" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
17120428
math/0410172
2004-10-06
Transportation cost-information inequalities and applications to random dynamical systems and diffusions
We first give a characterization of the L^1-transportation cost-information inequality on a metric space and next find some appropriate sufficient condition to transportation cost-information inequalities for dependent sequences. Applications to random dynamical systems and diffusions are studied.
[ "math.PR" ]
null
[ "target.author.publication_history.key_reference", "target.key_reference" ]
null
null
null
117210583
math/0410195
2004-10-06
Pade-Type Model Reduction of Second-Order and Higher-Order Linear Dynamical Systems
A standard approach to reduced-order modeling of higher-order linear dynamical systems is to rewrite the system as an equivalent first-order system and then employ Krylov-subspace techniques for reduced-order modeling of first-order systems. While this approach results in reduced-order models that are characterized as ...
[ "math.NA", "math.DS" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
39266794
cond-mat/0410136
2004-10-06
A Statistical Mechanical Load Balancer for the Web
The maximum entropy principle from statistical mechanics states that a closed system attains an equilibrium distribution that maximizes its entropy. We first show that for graphs with fixed number of edges one can define a stochastic edge dynamic that can serve as an effective thermalization scheme, and hence, the unde...
[ "cond-mat.dis-nn" ]
null
[ "target.author.publication_history", "target.author.publication_history.key_reference" ]
[]
[ { "author_id": "j bridgewater_1", "name": "Jesse [\"S.\",\"A.\"] Bridgewater", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "p boykin_1", "name": "P. [\"Oscar\"] Boykin", "publication_history": null, "h_index": ...
null
1801222
hep-ex/0410022
2004-10-07
Comparison of Three-jet Events in Proton-Antiproton Collisions at sqrt{s}=1.8 TeV to Predictions from a Next-to-leading Order QCD Calculation
The properties of three-jet events with total transverse energy greater than 320 GeV and individual jet energy greater than 20 GeV have been analyzed and compared to absolute predictions from a next-to-leading order (NLO) perturbative QCD calculation. These data, of integrated luminosity 86 pb^-1, were recorded by the ...
[ "hep-ex" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "d acosta_1", "name": "Darin Acosta", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "t affolder_1", "name": "Tony Affolder", "publication_history": null, "h_index": null, "num_papers": null, ...
null
1912161
astro-ph/0410214
2004-10-07
The solar chemical composition
We review our current knowledge of the solar chemical composition as determined from photospheric absorption lines. In particular we describe the recent significant revisions of the solar abundances as a result of the application of a time-dependent, 3D hydrodynamical model of the solar atmosphere instead of 1D hydrost...
[ "astro-ph" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
119082539
astro-ph/0410164
2004-10-07
The properties and luminosity function of extremely low luminosity galaxies
We examine a sample of low redshift (10 < d < 150 Mpc) galaxies including galaxies with r-band absolute magnitudes as faint as -12.5 (for h=1), selected from the Sloan Digital Sky Survey Data Release 2 (SDSS). The sample is unique in containing galaxies of extremely low luminosities in a wide range of environments, sel...
[ "astro-ph" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
5973814
quant-ph/0410059
2004-10-07
Bell Inequalities for Graph States
We investigate the non-local properties of graph states. To this aim, we derive a family of Bell inequalities which require three measurement settings for each party and are maximally violated by graph states. In turn, for each graph state there is an inequality maximally violated only by that state. We show that for c...
[ "quant-ph" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "o gühne_1", "name": "Otfried Gühne", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "g tóth_1", "name": "Géza Tóth", "publication_history": null, "h_index": null, "num_papers": null, "num_c...
null
119479599
cond-mat/0410173
2004-10-07
Efficiency of discrete-time ratchets
Recently there has been much interest in discrete forms of Brownian ratchets, using a game-theoretic formalism. Using the approach pioneered by Parrondo, we develop a new method for obtaining the stationary probabilities and probability current for the case of discrete-time and discrete-space ratchets. We then use this...
[ "cond-mat.stat-mech", "cond-mat.other" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "p amengual_1", "name": "Pau Amengual", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "r toral_1", "name": "Raúl Toral", "publication_history": null, "h_index": null, "num_papers": null, "n...
null
119444003
astro-ph/0410195
2004-10-07
SDSS Data Management and Photometric Quality Assessment
We summarize the Sloan Digital Sky Survey data acquisition and processing steps, and describe runQA, a pipeline designed for automated data quality assessment. In particular, we show how the position of the stellar locus in color-color diagrams can be used to estimate the accuracy of photometric zeropoint calibration t...
[ "astro-ph" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
16594341
math/0410214
2004-10-07
Aggregation for Regression Learning
This paper studies statistical aggregation procedures in regression setting. A motivating factor is the existence of many different methods of estimation, leading to possibly competing estimators. We consider here three different types of aggregation: model selection (MS) aggregation, convex (C) aggregation and linear ...
[ "math.ST", "stat.TH" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
7904758
astro-ph/0410207
2004-10-07
Evolutionary population synthesis: models, analysis of the ingredients and application to high-z galaxies
Evolutionary population synthesis models for a wide range of metallicities, ages, star formation histories, and Horizontal Branch morphologies, including blue morphologies at high metallicity, are computed. The energetics of the post Main Sequence evolutionary phases are evaluated with the fuel consumption theorem. The...
[ "astro-ph" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
2133323
hep-ph/0410110
2004-10-07
Top Quark Physics at Colliders
We review some recent developments in top quark production and decay at current and future colliders.
[ "hep-ph" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "e glover_1", "name": "E. [\"W.\",\"N.\"] Glover", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "p uwer_1", "name": "Peter Uwer", "publication_history": null, "h_index": null, "num_papers": nu...
null
123661681
astro-ph/0410239
2004-10-08
The Third Data Release of the Sloan Digital Sky Survey
This paper describes the Third Data Release of the Sloan Digital Sky Survey (SDSS). This release, containing data taken up through June 2003, includes imaging data in five bands over 5282 deg^2, photometric and astrometric catalogs of the 141 million objects detected in these imaging data, and spectra of 528,640 object...
[ "astro-ph" ]
null
[ "target.author.publication_history.key_reference" ]
[]
null
null
17409787
cond-mat/0410213
2004-10-08
Dynamics and Thermodynamics of a model with long-range interactions
The dynamics and the thermodynamics of particles/spins interacting via long-range forces display several unusual features with respect to systems with short-range interactions. The Hamiltonian Mean Field (HMF) model, a Hamiltonian system of N classical inertial spins with infinite-range interactions represents a paradi...
[ "cond-mat.stat-mech" ]
null
[ "target.author.publication_history" ]
[ { "corpus_id": "18081416", "num_citations": null }, { "corpus_id": "14482211", "num_citations": null }, { "corpus_id": "14074196", "num_citations": null } ]
[ { "author_id": "a pluchino_1", "name": "Alessandro Pluchino", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "v latora_1", "name": "Vito Latora", "publication_history": null, "h_index": null, "num_papers": nul...
null
14630638
math/0410231
2004-10-08
The Lorenz attractor is mixing
We study a class of geometric Lorenz flows, introduced independently by Afraimovic, Bykov & Sil'nikov and by Guckenheimer & Williams, and give a verifiable condition for such flows to be mixing. As a consequence, we show that the classical Lorenz attractor is mixing.
[ "math.DS", "math-ph", "math.MP" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
41126352
quant-ph/0410066
2004-10-09
Quantum circuits with uniformly controlled one-qubit gates
Uniformly controlled one-qubit gates are quantum gates which can be represented as direct sums of two-dimensional unitary operators acting on a single qubit. We present a quantum gate array which implements any n-qubit gate of this type using at most 2^{n-1} - 1 controlled-NOT gates, 2^{n-1} one-qubit gates and a singl...
[ "quant-ph" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
16184987
hep-th/0410105
2004-10-10
Classical/quantum integrability in non-compact sector of AdS/CFT
We discuss non-compact SL(2,R) sectors in N=4 SYM and in AdS string theory and compare their integrable structures. We formulate and solve the Riemann-Hilbert problem for the finite gap solutions of the classical sigma model and show that at one loop it is identical to the classical limit of Bethe equations of the spin...
[ "hep-th", "nlin.SI" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
119381813
quant-ph/0410080
2004-10-11
Filtering and Control in Quantum Optics
In this thesis we study continuously observed open quantum systems from the point of view of quantum filtering theory. The conditioned state of the open system obeys a non-commutative or quantum analogue of the Kushner-Stratonovich equation in classical filtering theory. The thesis consists out of four chapters. The fi...
[ "quant-ph" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
252202042
math/0410271
2004-10-11
Statistical modeling of causal effects in continuous time
This article studies the estimation of the causal effect of a time-varying treatment on time-to-an-event or on some other continuously distributed outcome. The paper applies to the situation where treatment is repeatedly adapted to time-dependent patient characteristics. The treatment effect cannot be estimated by simp...
[ "math.ST", "stat.TH" ]
null
[ "target.author.publication_history.key_reference", "target.key_reference" ]
null
null
null
53750794
quant-ph/0410083
2004-10-11
Quantifying the resource of sharing a reference frame
We define a new quantity called refbit, which allows one to quantify the resource of sharing a reference frame in quantum communication protocols. By considering both asymptotic and nonasymptotic protocols we find relations between refbits and other communication resources. We also consider the same resources in encode...
[ "quant-ph" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
13903756
math/0410286
2004-10-12
Three Dimensional Nonlinear Dynamics of Slender Structures: Cosserat Rod Element Approach
In this paper, the modelling strategy of a Cosserat rod element (CRE) is addressed systematically for 3-dimensional dynamical analysis of slender structures. We employ the exact nonlinear kinematic relationships in the sense of Cosserat theory, and adopt the Bernoulli hypothesis. For the sake of simplicity, the Kirchof...
[ "math.FA" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
482012
cs/0410027
2004-10-12
Detecting User Engagement in Everyday Conversations
This paper presents a novel application of speech emotion recognition: estimation of the level of conversational engagement between users of a voice communication system. We begin by using machine learning techniques, such as the support vector machine (SVM), to classify users' emotions as expressed in individual utter...
[ "cs.SD", "cs.CL", "cs.HC" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
5281364
math/0410310
2004-10-13
Higher order accuracy in the gap-tooth scheme for large-scale solutions using microscopic simulators
We are developing a framework for multiscale computation which enables models at a ``microscopic'' level of description, for example Lattice Boltzmann, Monte Carlo or Molecular Dynamics simulators, to perform modelling tasks at the ``macroscopic'' length scales of interest. The plan is to use the microscopic rules rest...
[ "math.DS", "math.NA" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "a roberts_1", "name": "Anthony [\"John\"] Roberts", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "i kevrekidis_1", "name": "Ioannis [\"G.\"] Kevrekidis", "publication_history": null, "h_index": n...
null
22284473
q-bio/0410013
2004-10-13
Synonymous codon usage and selection on proteins
Selection pressures on proteins are usually measured by comparing homologous nucleotide sequences (Zuckerkandl and Pauling 1965). Recently we introduced a novel method, termed `volatility', to estimate selection pressures on protein sequences from their synonymous codon usage (Plotkin and Dushoff 2003, Plotkin et al 20...
[ "q-bio.PE", "q-bio.GN" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "j plotkin_1", "name": "Joshua [\"B.\"] Plotkin", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "j dushoff_0", "name": "Jonathan Dushoff", "publication_history": null, "h_index": null, "num_pap...
null
9234495
quant-ph/0410116
2004-10-14
Asymptotically Optimal Quantum Circuits for d-level Systems
As a qubit is a two-level quantum system whose state space is spanned by |0>, |1>, so a qudit is a d-level quantum system whose state space is spanned by |0>,...,|d-1>. Quantum computation has stimulated much recent interest in algorithms factoring unitary evolutions of an n-qubit state space into component two-particl...
[ "quant-ph" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
12076914
math/0410331
2004-10-14
Markov chain comparison
This is an expository paper, focussing on the following scenario. We have two Markov chains, $\mathcal {M}$ and $\mathcal {M}'$. By some means, we have obtained a bound on the mixing time of $\mathcal {M}'$. We wish to compare $\mathcal {M}$ with $\mathcal {M}'$ in order to derive a corresponding bound on the mixing ti...
[ "math.PR" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
18809459
hep-th/0410167
2004-10-14
k-string tensions in the 4-d SU(N)-inspired dual Abelian-Higgs-type theory
The k-string tensions are explored in the 4-d $[U(1)]^{N-1}$-invariant dual Abelian-Higgs-type theory. In the London limit of this theory, the Casimir scaling is found in the approximation when small-sized closed dual strings are disregarded. When these strings are treated in the dilute-plasma approximation, explicit c...
[ "hep-th" ]
null
[ "target.author.publication_history" ]
[ { "corpus_id": "18639210", "num_citations": null }, { "corpus_id": "15025787", "num_citations": null }, { "corpus_id": "119409852", "num_citations": null } ]
[ { "author_id": "d antonov_1", "name": "Dmitri Antonov", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "l debbio_1", "name": "Luigi [\"Del\"] Debbio", "publication_history": null, "h_index": null, "num_papers"...
null
17207723
astro-ph/0410343
2004-10-14
The Afterglow of Massive Black Hole Coalescence
The final merger of a pair of massive black holes in a galactic nucleus is compelled by gravitational radiation. Gravitational waves from the mergers of black holes of masses (10^5-10^7)(1+z)^{-1} Msun at redshifts of 1-20 will be readily detectable by the Laser Interferometer Space Antenna (LISA), but an electromagnet...
[ "astro-ph", "gr-qc" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
119365141
cond-mat/0410406
2004-10-15
Finite Temperature Transitions in Large Magnetic Field in Dipolar Spin Ice
We use Monte Carlo simulations to identify the mechanism that allows for phase transitions in dipolar spin ice to occur and survive for applied magnetic field, H, much larger in strength than that of the spin-spin interactions. In the most generic and highest symmetry case, the spins on one out of four sublattices of t...
[ "cond-mat.dis-nn", "cond-mat.stat-mech" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "j ruff_1", "name": "Jacob [\"P.\",\"C.\"] Ruff", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "r melko_1", "name": "Roger [\"G.\"] Melko", "publication_history": null, "h_index": null, "num_p...
null
119485170
astro-ph/0410360
2004-10-15
Correlating the CMB with Luminous Red Galaxies : The Integrated Sachs-Wolfe Effect
We present a 2.5 sigma detection of the Integrated Sachs-Wolfe (ISW) effect and discuss the constraints it places on cosmological parameters. We cross-correlate microwave temperature maps from the WMAP satellite with a 4000 deg^2 luminous red galaxy (LRG) overdensity map measured by the Sloan Digital Sky Survey. Accura...
[ "astro-ph" ]
null
[ "target.author.publication_history", "target.author.publication_history.key_reference" ]
[]
[ { "author_id": "n padmanabhan_1", "name": "Nikhil Padmanabhan", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "c hirata_1", "name": "Christopher [\"M.\"] Hirata", "publication_history": null, "h_index": null, ...
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