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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18075444 | 0812.2368 | 2008-12-12 | Completeness of classical spin models and universal quantum computation | We study mappings between distinct classical spin systems that leave the partition function invariant. As recently shown in [Phys. Rev. Lett. 100, 110501 (2008)], the partition function of the 2D square lattice Ising model in the presence of an inhomogeneous magnetic field, can specialize to the partition function of a... | [
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{
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"author_id": "w dür_1",
"name": "Wolfgang Dür",
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"num_papers": ... | null |
13951035 | 0812.2283 | 2008-12-12 | The Radius-Luminosity Relationship for Active Galactic Nuclei: The Effect of Host-Galaxy Starlight on Luminosity Measurements II. The Full Sample of Reverberation-Mapped AGNs | We present high-resolution HST images of all 35 AGNs with optical reverberation-mapping results, which we have modeled to create a nucleus-free image of each AGN host galaxy. From the nucleus-free images, we determine the host-galaxy contribution to ground-based spectroscopic luminosity measurements at 5100A. After cor... | [
"astro-ph"
] | null | [
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245351 | 0812.2636 | 2008-12-14 | Approximating the least hypervolume contributor: NP-hard in general, but fast in practice | The hypervolume indicator is an increasingly popular set measure to compare the quality of two Pareto sets. The basic ingredient of most hypervolume indicator based optimization algorithms is the calculation of the hypervolume contribution of single solutions regarding a Pareto set. We show that exact calculation of th... | [
"cs.DS",
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] | null | [
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7933985 | 0812.2597 | 2008-12-14 | The von Neumann entropy of networks | We normalize the combinatorial Laplacian of a graph by the degree sum, look at its eigenvalues as a probability distribution and then study its Shannon entropy. Equivalently, we represent a graph with a quantum mechanical state and study its von Neumann entropy. At the graph-theoretic level, this quantity may be interp... | [
"cond-mat.dis-nn",
"q-bio.MN",
"quant-ph"
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3986389 | 0812.2709 | 2008-12-14 | Variations on a theme by Schalkwijk and Kailath | Schalkwijk and Kailath (1966) developed a class of block codes for Gaussian channels with ideal feedback for which the probability of decoding error decreases as a second-order exponent in block length for rates below capacity. This well-known but surprising result is explained and simply derived here in terms of a res... | [
"cs.IT",
"math.IT"
] | null | [
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514755 | 0812.2693 | 2008-12-14 | Cosmological consequences of Yukawa-unified SUSY with mixed axion/axino cold and warm dark matter | Supersymmetric models with t-b-\tau Yukawa unification at M_{GUT} qualitatively predict a sparticle mass spectrum including first and second generation scalars at the 3--15 TeV scale, third generation scalars at the (few) TeV scale and gluinos in the sub-TeV range. The neutralino relic density in these models typically... | [
"hep-ph",
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"name": "Markus Haider",
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479996 | 0812.2599 | 2008-12-14 | Learning Low Rank Matrices from O(n) Entries | How many random entries of an n by m, rank r matrix are necessary to reconstruct the matrix within an accuracy d? We address this question in the case of a random matrix with bounded rank, whereby the observed entries are chosen uniformly at random. We prove that, for any d>0, C(r,d)n observations are sufficient. Final... | [
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"author_id": "a montanari_2",
"name": "Andrea Montanari",
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... | null |
13888611 | 0812.2706 | 2008-12-15 | Synchronization of discrete-time dynamical networks with time-varying couplings | We study the local complete synchronization of discrete-time dynamical networks with time-varying couplings. Our conditions for the temporal variation of the couplings are rather general and include both variations in the network structure and in the reaction dynamics; the reactions could, for example, be driven by a r... | [
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16167203 | 0812.2852 | 2008-12-15 | Spectral tripartitioning of networks | We formulate a spectral graph-partitioning algorithm that uses the two leading eigenvectors of the matrix corresponding to a selected quality function to split a network into three communities in a single step. In so doing, we extend the recursive bipartitioning methods developed by Newman [Proc. Nat. Acad. Sci. 103, 8... | [
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] | null | null | null |
14070463 | 0812.2846 | 2008-12-15 | Reconstructing Cosmological Matter Perturbations using Standard Candles and Rulers | For a large class of dark energy (DE) models, for which the effective gravitational constant is a constant and there is no direct exchange of energy between DE and dark matter (DM), knowledge of the expansion history suffices to reconstruct the growth factor of linearized density perturbations in the non-relativistic m... | [
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"gr-qc",
"hep-ph"
] | null | [
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6457967 | 0812.2967 | 2008-12-15 | Shape Fitting on Point Sets with Probability Distributions | A typical computational geometry problem begins: Consider a set P of n points in R^d. However, many applications today work with input that is not precisely known, for example when the data is sensed and has some known error model. What if we do not know the set P exactly, but rather we have a probability distribution ... | [
"cs.CG"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14698040 | 0812.2752 | 2008-12-15 | Cone structure of $L^2$-Wasserstein spaces | The purpose of this paper is to understand the geometric structure of the $L^2$-Wasserstein space $\pp$ over the Euclidean space.For this sake, we focus on its cone structure.One of our main results is that the $L^2$-Wasserstein space over a Polish space has a cone structure if and only if so does the underlying space.... | [
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"name": "Takumi Yokota",
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... | null |
15069481 | 0812.2724 | 2008-12-15 | Commuting birth-and-death processes | We use methods from combinatorics and algebraic statistics to study analogues of birth-and-death processes that have as their state space a finite subset of the $m$-dimensional lattice and for which the $m$ matrices that record the transition probabilities in each of the lattice directions commute pairwise. One reason ... | [
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"author_id": "b sturmfels_1",
"name": "Bernd Sturmfels",
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3932471 | 0812.2887 | 2008-12-15 | The hydrodynamics of swimming microorganisms | Cell motility in viscous fluids is ubiquitous and affects many biological processes, including reproduction, infection, and the marine life ecosystem. Here we review the biophysical and mechanical principles of locomotion at the small scales relevant to cell swimming (tens of microns and below). The focus is on the fun... | [
"cond-mat.soft",
"physics.bio-ph",
"physics.flu-dyn"
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] | null | null | null |
21745538 | 0812.2832 | 2008-12-15 | S-waves and the Measurement of CP Violating Phases in Bs Decays | Heavy, as yet undiscovered particles, can affect measurements of CP violation in the B system. Measuring CP violation in the Bs system provides an excellent place to observe such effects since Standard Model sources are predicted to produce very small effects. The angle -2beta_s, the "phase of Bs-\bar{B}s mixing," thou... | [
"hep-ph",
"hep-ex"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17860598 | 0812.3124 | 2008-12-16 | Achievable Throughput of Multi-mode Multiuser MIMO with Imperfect CSI Constraints | For the multiple-input multiple-output (MIMO) broadcast channel with imperfect channel state information (CSI), neither the capacity nor the optimal transmission technique have been fully discovered. In this paper, we derive achievable ergodic rates for a MIMO fading broadcast channel when CSI is delayed and quantized.... | [
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{
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"name": "Marios Kountouris",
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"num_papers": null... | null |
11825672 | 0812.3030 | 2008-12-16 | Analysis of community structure in networks of correlated data | We present a reformulation of modularity that allows the analysis of the community structure in networks of correlated data. The new modularity preserves the probabilistic semantics of the original definition even when the network is directed, weighted, signed, and has self-loops. This is the most general condition one... | [
"physics.soc-ph"
] | null | [
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] | null | null | null |
9396496 | 0812.3133 | 2008-12-16 | Constant Mean Curvature Hypersurfaces Condensing to Geodesic Segments and Rays in Riemannian Manifolds | We construct examples of compact and one-ended constant mean curvature surfaces with large mean curvature in Riemannian manifolds with axial symmetry by gluing together small spheres positioned end-to-end along a geodesic. Such surfaces cannot exist in Euclidean space, but we show that the gradient of the ambient scala... | [
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{
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"name": "Rafe Mazzeo",
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... | null |
14656735 | 0812.3120 | 2008-12-16 | Mode Switching for MIMO Broadcast Channel Based on Delay and Channel Quantization | Imperfect channel state information degrades the performance of multiple-input multiple-output (MIMO) communications; its effect on single-user (SU) and multi-user (MU) MIMO transmissions are quite different. In particular, MU-MIMO suffers from residual inter-user interference due to imperfect channel state information... | [
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"author_id": "r heath_1",
"name": "Robert [\"W.\"] Heath",
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17012464 | 0812.3129 | 2008-12-16 | Mass corrections in string theory and lattice field theory | Kaluza-Klein compactifications of higher dimensional Yang-Mills theories contain a number of four dimensional scalars corresponding to the internal components of the gauge field. While at tree-level the scalar zero modes are massless, it is well known that quantum corrections make them massive. We compute these radiati... | [
"hep-th"
] | null | [
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{
"author_id": "l debbio_1",
"name": "Luigi [\"Del\"] Debbio",
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{
"author_id": "e kerrane_1",
"name": "Eoin Kerrane",
"publication_history": null,
"h_index": null,
"num_papers": ... | null |
14420365 | 0812.2909 | 2008-12-16 | Real-time gauge/gravity duality: Prescription, Renormalization and Examples | We present a comprehensive analysis of the prescription we recently put forward for the computation of real-time correlation functions using gauge/gravity duality. The prescription is valid for any holographic supergravity background and it naturally maps initial and final data in the bulk to initial and final states o... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8702589 | 0812.3066 | 2008-12-16 | Beyond Bandlimited Sampling: Nonlinearities, Smoothness and Sparsity | Sampling theory has benefited from a surge of research in recent years, due in part to the intense research in wavelet theory and the connections made between the two fields. In this survey we present several extensions of the Shannon theorem, that have been developed primarily in the past two decades, which treat a wi... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "y eldar_1",
"name": "Yonina [\"C.\"] Eldar",
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{
"author_id": "t michaeli_1",
"name": "Tomer Michaeli",
"publication_history": null,
"h_index": null,
"num_papers":... | null |
51484920 | 0812.2960 | 2008-12-16 | Fermi LAT Observations of the Vela Pulsar | The Vela pulsar is the brightest persistent source in the GeV sky and thus is the traditional first target for new gamma-ray observatories. We report here on initial Fermi Large Area Telescope observations during verification phase pointed exposure and early sky survey scanning. We have used the Vela signal to verify F... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14593678 | 0812.3326 | 2008-12-17 | Distances between pairs of vertices and vertical profile in conditioned Galton--Watson trees | We consider a conditioned Galton-Watson tree and prove an estimate of the number of pairs of vertices with a given distance, or, equivalently, the number of paths of a given length. We give two proofs of this result, one probabilistic and the other using generating functions and singularity analysis. Moreover, the seco... | [
"math.PR",
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] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
262985883 | 0812.3201 | 2008-12-17 | Ultrahigh dimensional variable selection: beyond the linear model | Variable selection in high-dimensional space characterizes many contemporary problems in scientific discovery and decision making. Many frequently-used techniques are based on independence screening; examples include correlation ranking (Fan and Lv, 2008) or feature selection using a two-sample t-test in high-dimension... | [
"stat.ME",
"stat.ML"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
3204347 | 0812.3465 | 2008-12-17 | Linearly Parameterized Bandits | We consider bandit problems involving a large (possibly infinite) collection of arms, in which the expected reward of each arm is a linear function of an $r$-dimensional random vector $\mathbf{Z} \in \mathbb{R}^r$, where $r \geq 2$. The objective is to minimize the cumulative regret and Bayes risk. When the set of arms... | [
"cs.LG"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
49921513 | 0812.3427 | 2008-12-17 | A uniqueness result on ordinary differential equations with singular coefficients | We consider the uniqueness of solutions of ordinary differential equations where the coefficients may have singularities. We derive upper bounds on the the order of singularities of the coefficients and provide examples to illustrate the results. | [
"math.CA"
] | null | [
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{
"author_id": "y pan_44",
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{
"author_id": "m wang_198",
"name": "Mei Wang",
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164523 | 0812.3381 | 2008-12-17 | Computation of VaR and CVaR using stochastic approximations and unconstrained importance sampling | Value-at-Risk (VaR) and Conditional Value-at-Risk (CVaR) are two risk measures which are widely used in the practice of risk management. This paper deals with the problem of computing both VaR and CVaR using stochastic approximation (with decreasing steps): we propose a first Robbins-Monro procedure based on Rockaffela... | [
"q-fin.CP",
"math.PR",
"q-fin.RM"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8418006 | 0812.3313 | 2008-12-17 | Generic modes of consensus formation in stochastic language dynamics | We introduce a class of stochastic models for the dynamics of two linguistic variants that are competing to become the single, shared convention within an unstructured community of speakers. Different instances of the model are distinguished by the way agents handle variability in the language (i.e., multiple forms for... | [
"physics.soc-ph",
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{
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] | null |
11173441 | 0812.3330 | 2008-12-17 | Monte Carlo study of degenerate groundstates and residual entropy in a frustrated honeycomb lattice Ising model | We study a classical fully-frustrated honeycomb lattice Ising model using Markov chain Monte Carlo methods and exact calculations . The Hamiltonian realizes a degenerate ground state manifold of equal-energy states, where each hexagonal plaquette of the lattice has one and only one frustrated bond, with an extensive re... | [
"cond-mat.stat-mech",
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{
"author_id": "s andrews_4",
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{
"author_id": "h de sterck_1",
"name": "Hans De Sterck",
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"num_papers": null... | null |
5951253 | 0812.3249 | 2008-12-17 | Chain-Based Representations for Solid and Physical Modeling | In this paper we show that the (co)chain complex associated with a decomposition of the computational domain, commonly called a mesh in computational science and engineering, can be represented by a block-bidiagonal matrix that we call the Hasse matrix. Moreover, we show that topology-preserving mesh refinements, produ... | [
"cs.CG"
] | null | [
"target.author.publication_history.key_reference",
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] | null | null | null |
15237859 | 0812.3338 | 2008-12-17 | Diffraction at TOTEM | The TOTEM experiment at the LHC measures the total proton-proton cross section with the luminosity-independent method and the elastic proton-proton cross-section over a wide |t|-range. It also performs a comprehensive study of diffraction, spanning from cross-section measurements of individual diffractive processes to ... | [
"hep-ex"
] | null | [
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] | [] | [
{
"author_id": "g antchev_1",
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{
"author_id": "p aspell_1",
"name": "Paul Aspell",
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"h_index": null,
"num_papers": null,
... | null |
9266794 | 0812.3485 | 2008-12-18 | Maximum empirical likelihood estimation of the spectral measure of an extreme-value distribution | Consider a random sample from a bivariate distribution function $F$ in the max-domain of attraction of an extreme-value distribution function $G$. This $G$ is characterized by two extreme-value indices and a spectral measure, the latter determining the tail dependence structure of $F$. A major issue in multivariate ext... | [
"math.ST",
"math.PR",
"stat.TH"
] | null | [
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] | null | null | null |
8850955 | 0812.3677 | 2008-12-18 | Artificial intelligence for Bidding Hex | We present a Monte Carlo algorithm for efficiently finding near optimal moves and bids in the game of Bidding Hex. The algorithm is based on the recent solution of Random-Turn Hex by Peres, Schramm, Sheffield, and Wilson together with Richman's work connecting random-turn games to bidding games. | [
"math.CO",
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"math.PR"
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{
"author_id": "s payne_2",
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"name": "Elina Robeva",
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14539528 | 0812.3583 | 2008-12-18 | Unifying all classical spin models in a Lattice Gauge Theory | We show that the partition function of all classical spin models, including all discrete Standard Statistical Models and all abelian discrete Lattice Gauge Theories (LGTs), can be expressed as a special instance of the partition function of the 4D Z_2 LGT. In this way, all classical spin models with apparently very dif... | [
"hep-lat",
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"quant-ph"
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{
"author_id": "g cuevas_1",
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{
"author_id": "w dür_1",
"name": "Wolfgang Dür",
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"num_papers... | null |
15230307 | 0812.3666 | 2008-12-18 | Ultraspherical type generating functions for orthogonal polynomials | We characterize, up to a conjecture, probability distributions of all order finite moments having ultraspherical type generating functions for orthogonal polynomials. | [
"math.PR",
"math.CA"
] | null | [
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] | [] | [
{
"author_id": "n demni_1",
"name": "Nizar Demni",
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}
] | null |
34400006 | 0812.3605 | 2008-12-18 | Observation of the Josephson effect in Pb/(Ba,K)Fe2As2 single crystal junctions | We have fabricated c-axis Josephson junctions on single crystals of (Ba,K)Fe2As2 by using Pb as the counter electrode in two geometries, planar and point contact. Junctions in both geometries show resistively shunted junction I-V curves below the Tc of the counter electrode. Microwave induced steps were observed in the... | [
"cond-mat.supr-con",
"cond-mat.str-el"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "x zhang_333",
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{
"author_id": "y oh_2",
"name": "Yoon [\"Seok\"] Oh",
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... | null |
15243491 | 0812.3709 | 2008-12-18 | Minimum Expected Distortion in Gaussian Source Coding with Fading Side Information | An encoder, subject to a rate constraint, wishes to describe a Gaussian source under squared error distortion. The decoder, besides receiving the encoder's description, also observes side information consisting of uncompressed source symbol subject to slow fading and noise. The decoder knows the fading realization but ... | [
"cs.IT",
"math.IT"
] | null | [
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"author_id": "c tian_27",
"name": "Chao Tian",
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... | null |
2510036 | 0812.3617 | 2008-12-18 | Center symmetry and the orientifold planar equivalence | We study the center symmetry of SU(N) gauge theories with fermions in the two-index representations, by computing the effective potential of the Polyakov loop in the large-mass expansion on the lattice. In the large-N limit and at non-zero temperature, we find that the center symmetry is Z_N for fermions in the adjoint... | [
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"hep-lat"
] | null | [
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{
"author_id": "l debbio_1",
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{
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"name": "Agostino Patella",
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"num_paper... | null |
16695531 | 0812.3642 | 2008-12-18 | MIMO Two-way Relay Channel: Diversity-Multiplexing Tradeoff Analysis | A multi-hop two-way relay channel is considered in which all the terminals are equipped with multiple antennas. Assuming independent quasi-static Rayleigh fading channels and channel state information available at the receivers, we characterize the optimal diversity-multiplexing gain tradeoff (DMT) curve for a full-dup... | [
"cs.IT",
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{
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{
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"name": "Andrea [\"J.\"] Goldsmith",
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6878072 | 0812.3671 | 2008-12-18 | Regularized Multivariate Regression for Identifying Master Predictors with Application to Integrative Genomics Study of Breast Cancer | In this paper, we propose a new method remMap -- REgularized Multivariate regression for identifying MAster Predictors -- for fitting multivariate response regression models under the high-dimension-low-sample-size setting. remMap is motivated by investigating the regulatory relationships among different biological mol... | [
"stat.AP",
"stat.ME"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15915050 | 0812.3620 | 2008-12-18 | Transmission thresholds in time-periodically driven nonlinear disordered systems | We study energy propagation in locally time-periodically driven disordered nonlinear chains. For frequencies inside the band of linear Anderson modes, three different regimes are observed with increasing driver amplitude: 1) Below threshold, localized quasiperiodic oscillations and no spreading; 2) Three different regi... | [
"nlin.PS",
"cond-mat.dis-nn",
"nlin.CD",
"physics.optics"
] | null | [
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"name": "Georgios Kopidakis",
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5533305 | 0812.3447 | 2008-12-18 | Completion Time Minimization and Robust Power Control in Wireless Packet Networks | A wireless packet network is considered in which each user transmits a stream of packets to its destination. The transmit power of each user interferes with the transmission of all other users. A convex cost function of the completion times of the user packets is minimized by optimally allocating the users' transmissio... | [
"cs.IT",
"math.IT"
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{
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"author_id": "m médard_1",
"name": "Muriel Médard",
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2174431 | 0812.3742 | 2008-12-19 | Quickest Change Detection of a Markov Process Across a Sensor Array | Recent attention in quickest change detection in the multi-sensor setting has been on the case where the densities of the observations change at the same instant at all the sensors due to the disruption. In this work, a more general scenario is considered where the change propagates across the sensors, and its propagat... | [
"cs.IT",
"math.IT",
"math.ST",
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"author_id": "v veeravalli_1",
"name": "Venugopal [\"V.\"] Veeravalli",
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... | null |
403 | 0812.3788 | 2008-12-19 | Foundations of SPARQL Query Optimization | The SPARQL query language is a recent W3C standard for processing RDF data, a format that has been developed to encode information in a machine-readable way. We investigate the foundations of SPARQL query optimization and (a) provide novel complexity results for the SPARQL evaluation problem, showing that the main sour... | [
"cs.DB"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17617309 | 0812.3687 | 2008-12-19 | On multivariate Newton-like inequalities | We study multivariate entire functions and polynomials with non-negative coefficients. A class of {\bf Strongly Log-Concave} entire functions, generalizing {\it Minkowski} volume polynomials, is introduced: an entire function $f$ in $m$ variables is called {\bf Strongly Log-Concave} if the function $(\partial x_1)^{c_1... | [
"math.CO",
"math.OC"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
250770587 | 0812.3947 | 2008-12-20 | MOJAVE: Monitoring of Jets in AGN with VLBA Experiments. V. Multi-epoch VLBA Images | We present images from a long term program (MOJAVE: Monitoring of Jets in AGN with VLBA Experiments) to survey the structure and evolution of parsec-scale jet phenomena associated with bright radio-loud active galaxies in the northern sky. The observations consist of 2424 15 GHz VLBA images of a complete flux-density l... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118563463 | 0812.3903 | 2008-12-20 | Renormalization, duality, and phase transitions in two- and three-dimensional quantum dimer models | We derive an extended lattice gauge theory type action for quantum dimer models and relate it to the height representations of these systems. We examine the system in two and three dimensions and analyze the phase structure in terms of effective theories and duality arguments. For the two-dimensional case we derive the... | [
"cond-mat.str-el",
"hep-lat",
"hep-th"
] | null | [
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{
"author_id": "f nogueira_1",
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{
"author_id": "z nussinov_1",
"name": "Zohar Nussinov",
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"num_pa... | null |
16213745 | 0812.3931 | 2008-12-20 | An Atlas For Interpreting Gamma-Ray Pulsar Light Curves | We have simulated a population of young spin-powered pulsars and computed the beaming pattern and lightcurves for the three main geometrical models: polar cap emission, two-pole caustic ("slot gap") emission and outer magnetosphere emission. The light curve shapes depend sensitively on the magnetic inclination alpha an... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2865144 | 0812.4002 | 2008-12-20 | Radial Dunkl processes associated with Dihedral systems | We stduy radial Dunkl processes associated with dihedral systems: we derive the semi group, the generalized Bessel function, the Dunkl-Hermite polynomials. Then we give a skew product decomposition by means of independent Bessel processes and we compute the tail distribution of the first hitting time of the boundary of... | [
"math.PR",
"math-ph",
"math.MP"
] | null | [
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{
"author_id": "n demni_1",
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}
] | null |
18341525 | 0812.3922 | 2008-12-20 | Optimal covariant quantum networks | A sequential network of quantum operations is efficiently described by its quantum comb, a non-negative operator with suitable normalization constraints. Here we analyze the case of networks enjoying symmetry with respect to the action of a given group of physical transformations, introducing the notion of covariant co... | [
"quant-ph"
] | null | [
"target.author.publication_history"
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{
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{
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"name": "Giacomo [\"Mauro\"] D’Ariano",
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... | null |
16817809 | 0812.4055 | 2008-12-21 | The Holst Spin Foam Model via Cubulations | Spin foam models are an attempt for a covariant, or path integral formulation of canonical loop quantum gravity. The construction of such models usually rely on the Plebanski formulation of general relativity as a constrained BF theory and is based on the discretization of the action on a simplicial triangulation, whic... | [
"gr-qc"
] | null | [
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{
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{
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{
"author_id": "c flori_0",
"name": "Cecilia Flori",
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... | null |
118463326 | 0812.4049 | 2008-12-21 | The dynamics of quantum vortices in a toroidal trap | The dynamics of quantum vortices in a two-dimensional annular condensate are considered by numerically simulating the Gross-Pitaevskii equation. Families of solitary wave sequences are reported, both without and with a persistent flow, for various values of interaction strength. It is shown that in the toroidal geometr... | [
"cond-mat.other"
] | null | [
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{
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10710508 | 0812.4052 | 2008-12-21 | The general mixture-diffusion SDE and its relationship with an uncertain-volatility option model with volatility-asset decorrelation | In the present paper, given an evolving mixture of probability densities, we define a candidate diffusion process whose marginal law follows the same evolution. We derive as a particular case a stochastic differential equation (SDE) admitting a unique strong solution and whose density evolves as a mixture of Gaussian d... | [
"q-fin.CP",
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] | null | [
"target.author.publication_history.key_reference",
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] | null | null | null |
11976503 | 0812.4024 | 2008-12-21 | Bounds on ternary cyclotomic coefficients | We present a new bound on $A = \max_n |a_{pqr}(n)|$, where $a_{pqr}(n)$ are the coefficients of a ternary cyclotomic polynomial. We also prove that two consecutive coefficients of such a polynomial differ by at most one. | [
"math.NT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2469814 | 0812.4044 | 2008-12-21 | The Offset Tree for Learning with Partial Labels | We present an algorithm, called the Offset Tree, for learning to make decisions in situations where the payoff of only one choice is observed, rather than all choices. The algorithm reduces this setting to binary classification, allowing one to reuse of any existing, fully supervised binary classification algorithm in ... | [
"cs.LG",
"cs.AI"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14193008 | 0812.4062 | 2008-12-21 | On the Supremum of Certain Families of Stochastic Processes | We consider a family of stochastic processes $\{X_t^\epsilon, t \in T\}$ on a metric space $T$, with a parameter $\epsilon \downarrow 0$. We study the conditions under which \lim_{\e \to 0} \P \Big(\sup_{t \in T} |X_t^\e| < \delta \Big) =1 when one has the \textit{a priori} estimate on the modulus of continuity and the... | [
"math.PR",
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"stat.TH"
] | null | [
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{
"author_id": "w li_97",
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{
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"name": "Natesh [\"S.\"] Pillai",
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17420341 | 0812.4269 | 2008-12-22 | Note on radial Dunkl processes | We give shorter proofs of the following known results: the radial Dunkl process associated with a reduced system and a strictly positive multiplicity function is the unique strong solution for all times of a stochastic differential equation with a singular drift, the first hitting time of the Weyl chamber by a radial D... | [
"math.PR",
"math-ph",
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{
"author_id": "n demni_1",
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}
] | null |
53543791 | 0812.4290 | 2008-12-22 | High Albedos of Low Inclination Classical Kuiper Belt Objects | We present observations of thermal emission from fifteen transneptunian objects (TNOs) made using the Spitzer Space Telescope. Thirteen of the targets are members of the Classical population: six dynamically hot Classicals, five dynamically cold Classicals, and two dynamically cold inner Classical Kuiper Belt Objects (... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
40809143 | 0812.4246 | 2008-12-22 | Unconditional security proof of long-distance continuous-variable quantum key distribution with discrete modulation | We present a continuous-variable quantum key distribution protocol combining a discrete modulation and reverse reconciliation. This protocol is proven unconditionally secure and allows the distribution of secret keys over long distances, thanks to a reverse reconciliation scheme efficient at very low signal-to-noise ra... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
152980 | 0812.4293 | 2008-12-22 | An Improved Approximation Algorithm for the Column Subset Selection Problem | We consider the problem of selecting the best subset of exactly $k$ columns from an $m \times n$ matrix $A$. We present and analyze a novel two-stage algorithm that runs in $O(\min\{mn^2,m^2n\})$ time and returns as output an $m \times k$ matrix $C$ consisting of exactly $k$ columns of $A$. In the first (randomized) st... | [
"cs.DS"
] | null | [
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{
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] | [
{
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{
"author_id": "m mahoney_1",
"name": "Michael [\"W.\"] Mahoney",
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"nu... | null |
59532 | 0812.4279 | 2008-12-22 | Correlated Equilibria in Continuous Games: Characterization and Computation | We present several new characterizations of correlated equilibria in games with continuous utility functions. These have the advantage of being more computationally and analytically tractable than the standard definition in terms of departure functions. We use these characterizations to construct effective algorithms f... | [
"cs.GT"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "190717",
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}
] | [
{
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{
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"name": "Pablo [\"A.\"] Parrilo",
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"h_index": null,
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118770011 | 0812.4309 | 2008-12-22 | Bond Algebras and Exact Solvability of Hamiltonians: Spin S=1/2 Multilayer Systems and Other Curiosities | We introduce an algebraic methodology for designing exactly-solvable Lie model Hamiltonians. The idea consists in looking at the algebra generated by bond operators. We illustrate how this method can be applied to solve numerous problems of current interest in the context of topological quantum order. These include Kit... | [
"cond-mat.mes-hall",
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "z nussinov_1",
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{
"author_id": "g ortiz_1",
"name": "Gerardo [\"Guzman\"] Ortiz",
"publication_history": null,
"h_index": null,
"num_pap... | null |
14359926 | 0812.4110 | 2008-12-22 | Threshold behaviour and final outcome of an epidemic on a random network with household structure | This paper considers a stochastic SIR (susceptible$\to$infective$\to$removed) epidemic model in which individuals may make infectious contacts in two ways, both within `households' (which for ease of exposition are assumed to have equal size) and along the edges of a random graph describing additional social contacts. ... | [
"math.PR",
"q-bio.PE"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
55497574 | 0812.4087 | 2008-12-22 | Non-Hausdorff groupoids | We present examples of non-Hausdorff, etale, essentially principal groupoids for which three results, known to hold in the Hausdorff case, fail. These results are: (A) the subalgebra of continuous functions on the unit space is maximal abelian within the reduced groupoid C*-algebra, (B) every nonzero ideal of the reduc... | [
"math.OA",
"math.DS"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7112602 | 0812.4446 | 2008-12-23 | The Latent Relation Mapping Engine: Algorithm and Experiments | Many AI researchers and cognitive scientists have argued that analogy is the core of cognition. The most influential work on computational modeling of analogy-making is Structure Mapping Theory (SMT) and its implementation in the Structure Mapping Engine (SME). A limitation of SME is the requirement for complex hand-co... | [
"cs.CL",
"cs.AI",
"cs.LG"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
17310553 | 0812.4399 | 2008-12-23 | Testing the predictions of the cold dark matter model for the sizes, colours, morphologies and luminosities of galaxies with the SDSS | The huge size and uniformity of the Sloan Digital Sky Survey makes possible an exacting test of current models of galaxy formation. We compare the predictions of the GALFORM semi-analytical galaxy formation model for the luminosities, morphologies, colours and scale-lengths of local galaxies. GALFORM models the luminos... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118645991 | 0812.4417 | 2008-12-23 | Probing non-standard neutrino-electron interactions with solar and reactor neutrinos | Most neutrino mass extensions of the standard electroweak model entail non-standard interactions which, in the low energy limit, can be parametrized in term of effective four-fermion operators $\nu_\alpha \nu_\beta \bar f f $. Typically of sub-weak strength, $\epsilon_{\alpha \beta} G_F$, these are characterized by dim... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14539497 | 0812.4373 | 2008-12-23 | Differentiating information transfer and causal effect | The concepts of information transfer and causal effect have received much recent attention, yet often the two are not appropriately distinguished and certain measures have been suggested to be suitable for both. We discuss two existing measures, transfer entropy and information flow, which can be used separately to qua... | [
"nlin.AO",
"nlin.CG"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18118270 | 0812.4517 | 2008-12-24 | Explaining the Orbits of the Galactic Center S-Stars | The young stars near the supermassive black hole at the galactic center follow orbits that are nearly random in orientation and that have an approximately thermal distribution of eccentricities, N(e) ~ e. We show that both of these properties are a natural consequence of a few million years' interaction with an interme... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
59035449 | 0812.4529 | 2008-12-24 | Symmetric and skew-symmetric weight functions in perturbation models of 2D interfacial cracks | In this paper we address the vector problem of a 2D half-plane interfacial crack loaded by a general asymmetric distribution of forces acting on its faces. It is shown that the general integral formula for the evaluation of stress intensity factors, as well as high-order terms, requires both symmetric and skew-symmetri... | [
"math-ph",
"math.MP"
] | null | [
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] | [] | [
{
"author_id": "a piccolroaz_2",
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{
"author_id": "g mishuris_1",
"name": "Gennady Mishuris",
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"h_index": null,
"num_paper... | null |
2497124 | 0812.4481 | 2008-12-24 | Invariant submanifold for series arrays of Josephson junctions | We study the nonlinear dynamics of series arrays of Josephson junctions in the large-N limit, where N is the number of junctions in the array. The junctions are assumed to be identical, overdamped, driven by a constant bias current and globally coupled through a common load. Previous simulations of such arrays revealed... | [
"nlin.AO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1814041 | 0812.4543 | 2008-12-24 | A study of quasi-elastic muon neutrino and antineutrino scattering in the NOMAD experiment | We have studied the muon neutrino and antineutrino quasi-elastic (QEL) scattering reactions ($\nu_\mu n\to \mu^- p$ and $\bar{\nu}_\mu p\to \mu^+ n$) using a set of experimental data collected by the NOMAD collaboration. We have performed measurements of the cross-section of these processes on a nuclear target (mainly ... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "v lyubushkin_1",
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{
"author_id": "b popov_1",
"name": "B. [\"A.\"] Popov",
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"num_paper... | null |
6826978 | 0812.4547 | 2008-12-24 | Random Projections for the Nonnegative Least-Squares Problem | Constrained least-squares regression problems, such as the Nonnegative Least Squares (NNLS) problem, where the variables are restricted to take only nonnegative values, often arise in applications. Motivated by the recent development of the fast Johnson-Lindestrauss transform, we present a fast random projection type a... | [
"cs.DS"
] | null | [
"target.author.publication_history"
] | [
{
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},
{
"corpus_id": "58270",
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{
"author_id": "c boutsidis_1",
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{
"author_id": "p drineas_1",
"name": "Petros Drineas",
"publication_history": null,
"h_index": null,
"num_papers":... | null |
54209869 | 0812.4624 | 2008-12-25 | Preheating in the Standard Model with the Higgs-Inflaton coupled to gravity | We study the details of preheating in an inflationary scenario in which the Standard Model Higgs, strongly non-minimally coupled to gravity, plays the role of the inflaton. We find that the Universe does not reheat immediately through perturbative decays, but rather initiate a complex process in which perturbative and ... | [
"hep-ph",
"astro-ph",
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
9001615 | 0812.4627 | 2008-12-25 | Bayesian Compressive Sensing via Belief Propagation | Compressive sensing (CS) is an emerging field based on the revelation that a small collection of linear projections of a sparse signal contains enough information for stable, sub-Nyquist signal acquisition. When a statistical characterization of the signal is available, Bayesian inference can complement conventional CS... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2056717 | 0812.4701 | 2008-12-26 | Parameter identifiability and redundancy: theoretical considerations | In this paper we outline general considerations on parameter identifiability, and introduce the notion of weak local identifiability and gradient weak local identifiability. These are based on local properties of the likelihood, in particular the rank of the Hessian matrix. We relate these to the notions of parameter i... | [
"math.ST",
"stat.ME",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18339466 | 0812.4655 | 2008-12-26 | On analyticity with respect to the replica number in random energy models II: zeros on the complex plane | We characterize the breaking of analyticity with respect to the replica number which occurs in random energy models via the complex zeros of the moment of the partition function. We perturbatively evaluate the zeros in the vicinity of the transition point based on an exact expression of the moment of the partition func... | [
"cond-mat.dis-nn",
"cond-mat.stat-mech",
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5237782 | 0812.4777 | 2008-12-27 | Nonlinear threshold behavior during the loss of Arctic sea ice | In light of the rapid recent retreat of Arctic sea ice, a number of studies have discussed the possibility of a critical threshold (or "tipping point") beyond which the ice-albedo feedback causes the ice cover to melt away in an irreversible process. The focus has typically been centered on the annual minimum (Septembe... | [
"physics.geo-ph",
"physics.ao-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
421654 | 0812.4792 | 2008-12-27 | On Optimal Linear Redistribution of VCG Payments in Assignment of Heterogeneous Objects | There are p heterogeneous objects to be assigned to n competing agents (n > p) each with unit demand. It is required to design a Groves mechanism for this assignment problem satisfying weak budget balance, individual rationality, and minimizing the budget imbalance. This calls for designing an appropriate rebate functi... | [
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] | null | [
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{
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"name": "Y. Narahari",
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14859176 | 0812.4782 | 2008-12-28 | Yukawa Couplings and Effective Interactions in Gauge-Higgs Unification | The wave functions and Yukawa couplings of the top and bottom quarks in the SO(5) x U(1) gauge-Higgs unification model are determined. The result is summarized in the effective interactions for \hat \theta_H(x) = \theta_H + H(x)/f_H where \theta_H is the Wilson line phase and H(x) is the 4D Higgs field. The Yukawa, WWH... | [
"hep-ph"
] | null | [
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2583687 | 0812.4985 | 2008-12-29 | On the Capacity of Partially Cognitive Radios | This paper considers the problem of cognitive radios with partial-message information. Here, an interference channel setting is considered where one transmitter (the "cognitive" one) knows the message of the other ("legitimate" user) partially. An outer bound on the capacity region of this channel is found for the "wea... | [
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"name": "Chan-Soo Hwang",
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... | null |
6626757 | 0812.4952 | 2008-12-29 | Importance Weighted Active Learning | We present a practical and statistically consistent scheme for actively learning binary classifiers under general loss functions. Our algorithm uses importance weighting to correct sampling bias, and by controlling the variance, we are able to give rigorous label complexity bounds for the learning process. Experiments ... | [
"cs.LG"
] | null | [
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913467 | 0812.4889 | 2008-12-29 | Statistical Physics of Signal Estimation in Gaussian Noise: Theory and Examples of Phase Transitions | We consider the problem of signal estimation (denoising) from a statistical mechanical perspective, using a relationship between the minimum mean square error (MMSE), of estimating a signal, and the mutual information between this signal and its noisy version. The paper consists of essentially two parts. In the first, ... | [
"cs.IT",
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] | null | [
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"name": "Dongning Guo",
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7980047 | 0812.4933 | 2008-12-29 | Compressed sensing imaging techniques for radio interferometry | Radio interferometry probes astrophysical signals through incomplete and noisy Fourier measurements. The theory of compressed sensing demonstrates that such measurements may actually suffice for accurate reconstruction of sparse or compressible signals. We propose new generic imaging techniques based on convex optimiza... | [
"astro-ph",
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"name": "Yves Wiaux",
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115159859 | 0812.4969 | 2008-12-29 | Infinite-Dimensional Representations of 2-Groups | A "2-group" is a category equipped with a multiplication satisfying laws like those of a group. Just as groups have representations on vector spaces, 2-groups have representations on "2-vector spaces", which are categories analogous to vector spaces. Unfortunately, Lie 2-groups typically have few representations on the... | [
"math.QA",
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"math.CT",
"math.MP"
] | null | [
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{
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{
"corpus_id": "14975456",
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{
"author_id": "j baez_0",
"name": "John [\"C.\"] Baez",
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{
"author_id": "a baratin_1",
"name": "Aristide Baratin",
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14640330 | 0812.4919 | 2008-12-29 | Obtaining a Planar Graph by Vertex Deletion | In the k-Apex problem the task is to find at most k vertices whose deletion makes the given graph planar. The graphs for which there exists a solution form a minor closed class of graphs, hence by the deep results of Robertson and Seymour, there is an O(n^3) time algorithm for every fixed value of k. However, the proof... | [
"cs.DS"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15624320 | 0812.4898 | 2008-12-29 | Anisotropic distribution functions for spherical galaxies | A method is presented for finding anisotropic distribution functions for stellar systems with known, spherically symmetric, densities, which depends only on the two classical integrals of the energy and the magnitude of the angular momentum. It requires the density to be expressed as a sum of products of functions of t... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15565327 | 0812.4905 | 2008-12-29 | Kronecker Graphs: An Approach to Modeling Networks | How can we model networks with a mathematically tractable model that allows for rigorous analysis of network properties? Networks exhibit a long list of surprising properties: heavy tails for the degree distribution; small diameters; and densification and shrinking diameters over time. Most present network models eithe... | [
"stat.ML",
"cs.DS",
"physics.data-an",
"physics.soc-ph"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
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{
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{
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{
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}
] | [
{
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"name": "Jure Leskovec",
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},
{
"author_id": "d chakrabarti_2",
"name": "Deepayan Chakrabarti",
"publication_history": null,
"h_index": null,
"num_pape... | null |
453313 | 0812.5030 | 2008-12-30 | A Pseudopolynomial Algorithm for Alexandrov's Theorem | Alexandrov's Theorem states that every metric with the global topology and local geometry required of a convex polyhedron is in fact the intrinsic metric of a unique convex polyhedron. Recent work by Bobenko and Izmestiev describes a differential equation whose solution leads to the polyhedron corresponding to a given ... | [
"cs.CG"
] | null | [
"target.author.publication_history"
] | [
{
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},
{
"corpus_id": "119658231",
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] | [
{
"author_id": "d kane_1",
"name": "Daniel [\"M.\"] Kane",
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},
{
"author_id": "g price_1",
"name": "Gregory [\"N.\"] Price",
"publication_history": null,
"h_index": null,
"num_paper... | null |
781306 | 0812.5061 | 2008-12-30 | Thresholding-based Iterative Selection Procedures for Model Selection and Shrinkage | This paper discusses a class of thresholding-based iterative selection procedures (TISP) for model selection and shrinkage. People have long before noticed the weakness of the convex $l_1$-constraint (or the soft-thresholding) in wavelets and have designed many different forms of nonconvex penalties to increase model s... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18939507 | 0812.5040 | 2008-12-30 | Quantum communication using a bounded-size quantum reference frame | Typical quantum communication schemes are such that to achieve perfect decoding the receiver must share a reference frame with the sender. Indeed, if the receiver only possesses a bounded-size quantum token of the sender's reference frame, then the decoding is imperfect, and we can describe this effect as a noisy quant... | [
"quant-ph"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "s bartlett_1",
"name": "Stephen [\"D.\"] Bartlett",
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"num_citations": null
},
{
"author_id": "t rudolph_1",
"name": "Terry Rudolph",
"publication_history": null,
"h_index": null,
"num_pap... | null |
18395217 | 0812.4740 | 2008-12-30 | Polynomial processes and their applications to mathematical Finance | We introduce a class of Markov processes, called $m$-polynomial, for which the calculation of (mixed) moments up to order $m$ only requires the computation of matrix exponentials. This class contains affine processes, processes with quadratic diffusion coefficients, as well as L\'evy-driven SDEs with affine vector fiel... | [
"math.PR",
"math.NA"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "2631996",
"num_citations": null
}
] | [
{
"author_id": "c cuchiero_1",
"name": "Christa Cuchiero",
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"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "m keller-ressel_1",
"name": "Martin Keller-Ressel",
"publication_history": null,
"h_index": null,
"num... | null |
6446153 | 0812.5087 | 2008-12-30 | Estimating time-varying networks | Stochastic networks are a plausible representation of the relational information among entities in dynamic systems such as living cells or social communities. While there is a rich literature in estimating a static or temporally invariant network from observation data, little has been done toward estimating time-varyin... | [
"stat.ML",
"q-bio.MN",
"q-bio.QM",
"stat.AP",
"stat.ME"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14242321 | 0812.5101 | 2008-12-30 | A 7/9 - Approximation Algorithm for the Maximum Traveling Salesman Problem | We give a 7/9 - Approximation Algorithm for the Maximum Traveling Salesman Problem. | [
"cs.GT",
"cs.DM",
"cs.DS"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "k paluch_0",
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},
{
"author_id": "m mucha_1",
"name": "Marcin Mucha",
"publication_history": null,
"h_index": null,
"num_papers":... | null |
4353251 | 0812.5095 | 2008-12-30 | Optimized Dynamical Decoupling in a Model Quantum Memory | We present experimental measurements on a model quantum system that demonstrate our ability to dramatically suppress qubit error rates by the application of optimized dynamical decoupling pulse sequences in a variety of experimentally relevant noise environments. We provide the first demonstration of an analytically de... | [
"quant-ph"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "m biercuk_1",
"name": "Michael [\"J.\"] Biercuk",
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},
{
"author_id": "h uys_1",
"name": "Hermann Uys",
"publication_history": null,
"h_index": null,
"num_papers": nu... | null |
3087762 | 0901.0135 | 2008-12-31 | A state-space mixed membership blockmodel for dynamic network tomography | In a dynamic social or biological environment, the interactions between the actors can undergo large and systematic changes. In this paper we propose a model-based approach to analyze what we will refer to as the dynamic tomography of such time-evolving networks. Our approach offers an intuitive but powerful tool to in... | [
"stat.ML",
"q-bio.MN",
"q-bio.QM",
"stat.AP",
"stat.ME"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18518405 | 0901.0151 | 2008-12-31 | Search for anomalous top quark couplings with the D0 detector | Anomalous Wtb couplings modify the angular correlations of the top quark decay products and change the single top quark production cross section. We present limits on anomalous top quark couplings by combining information from W boson helicity measurements in top quark decays and anomalous coupling searches in the sing... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "v abazov_1",
"name": "Victor [\"Mukhamedovich\"] Abazov",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "b abbott_2",
"name": "B. Abbott",
"publication_history": null,
"h_index": null,
"num_pa... | null |
623482 | 0901.0044 | 2008-12-31 | Information Inequalities for Joint Distributions, with Interpretations and Applications | Upper and lower bounds are obtained for the joint entropy of a collection of random variables in terms of an arbitrary collection of subset joint entropies. These inequalities generalize Shannon's chain rule for entropy as well as inequalities of Han, Fujishige and Shearer. A duality between the upper and lower bounds ... | [
"cs.IT",
"math.CO",
"math.IT",
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
3187572 | 0901.0131 | 2008-12-31 | Cloud Computing and Grid Computing 360-Degree Compared | Cloud Computing has become another buzzword after Web 2.0. However, there are dozens of different definitions for Cloud Computing and there seems to be no consensus on what a Cloud is. On the other hand, Cloud Computing is not a completely new concept; it has intricate connection to the relatively new but thirteen-year... | [
"cs.DC"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
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