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 ⌀ |
|---|---|---|---|---|---|---|---|---|---|---|
9270541 | 0807.4073 | 2008-07-25 | Rational streams coalgebraically | We study rational streams (over a field) from a coalgebraic perspective. Exploiting the finality of the set of streams, we present an elementary and uniform proof of the equivalence of four notions of representability of rational streams: by finite dimensional linear systems; by finite stream circuits; by finite weight... | [
"cs.LO"
] | null | [
"target.key_reference"
] | null | null | null |
119199150 | 0807.4282 | 2008-07-27 | Dynamic Coulomb blockade in single-lead quantum dots | We investigate transient dynamic response of an Anderson impurity quantum dot to a family of ramp-up driving voltage applied to the single coupling lead. Transient current is calculated based on a hierarchical equations of motion formalism for open dissipative systems [J. Chem. Phys. 128, 234703 (2008)]. In the nonline... | [
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"name": "Jinshuang Jin",
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15430033 | 0807.4462 | 2008-07-28 | Riemannian Metric and Geometric Mean for Positive Semidefinite Matrices of Fixed Rank | This paper introduces a new metric and mean on the set of positive semidefinite matrices of fixed-rank. The proposed metric is derived from a well-chosen Riemannian quotient geometry that generalizes the reductive geometry of the positive cone and the associated natural metric. The resulting Riemannian space has strong... | [
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17537218 | 0807.4544 | 2008-07-28 | Measurement of D0-D0bar mixing from a time-dependent amplitude analysis of D0 -> K+ pi- pi0 decays | We present evidence of $D^0$-$\bar{D^0}$ mixing using a time-dependent amplitude analysis of the decay D0->K+pi-pi0 in a data sample of 384 fb^-1 collected with the BaBar detector at the PEP-II e+e- collider at SLAC. Assuming CP conservation, we measure the mixing parameters x'_{Kpipi0} = [2.61^{+0.57}_{-0.68} (stat.) ... | [
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"author_id": "m bona_1",
"name": "Marcella Bona",
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39701076 | 0807.4304 | 2008-07-28 | A litmus test for Lambda | The critical issue in cosmology today lies in determining if the cosmological constant is the underlying ingredient of dark energy. Our profound lack of understanding of the physics of dark energy places severe constrains on our ability to say anything about its possible dynamical nature. Quoted errors on the equation ... | [
"astro-ph"
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17154217 | 0807.4498 | 2008-07-28 | Analysis of a stochastic chemical system close to a SNIPER bifurcation of its mean-field model | A framework for the analysis of stochastic models of chemical systems for which the deterministic mean-field description is undergoing a saddle-node infinite period (SNIPER) bifurcation is presented. Such a bifurcation occurs for example in the modelling of cell-cycle regulation. It is shown that the stochastic system ... | [
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"name": "Stephen [\"Jonathan\"] Chapman",
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53628507 | 0807.4420 | 2008-07-28 | Sampling bias in systems with structural heterogeneity and limited internal diffusion | Complex systems research is becomingly increasingly data-driven, particularly in the social and biological domains. Many of the systems from which sample data are collected feature structural heterogeneity at the mesoscopic scale (i.e. communities) and limited inter-community diffusion. Here we show that the interplay ... | [
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14130759 | 0807.4446 | 2008-07-28 | Construction of Minimal Bracketing Covers for Rectangles | We construct explicit $\delta$-bracketing covers with minimal cardinality for the set system of (anchored) rectangles in the two dimensional unit cube. More precisely, the cardinality of these $\delta$-bracketing covers are bounded from above by $\delta^{-2} + o(\delta^{-2})$. A lower bound for the cardinality of arbit... | [
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118528858 | 0807.4179 | 2008-07-28 | PReBeaM for Planck: A Polarized Regularized Beam Deconvolution Map-Making Method | We describe a maximum likelihood regularized beam deconvolution map-making algorithm for data from high resolution, polarization sensitive instruments, such as the Planck data set. The resulting algorithm, which we call PReBeaM, is pixel-free and solves for the map directly in spherical harmonic space, avoiding pixeliz... | [
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"author_id": "b wandelt_1",
"name": "Benjamin [\"D.\"] Wandelt",
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10921694 | 0807.4548 | 2008-07-28 | Compound Multiple Access Channels with Partial Cooperation | A two-user discrete memoryless compound multiple access channel with a common message and conferencing decoders is considered. The capacity region is characterized in the special cases of physically degraded channels and unidirectional cooperation, and achievable rate regions are provided for the general case. The resu... | [
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"name": "Deniz Gündüz",
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... | null |
3100731 | 0807.4581 | 2008-07-28 | Robust Recovery of Signals From a Structured Union of Subspaces | Traditional sampling theories consider the problem of reconstructing an unknown signal $x$ from a series of samples. A prevalent assumption which often guarantees recovery from the given measurements is that $x$ lies in a known subspace. Recently, there has been growing interest in nonlinear but structured signal model... | [
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119297189 | 0807.4490 | 2008-07-28 | Studies on the Role of Entanglement in Mixed-state Quantum Computation | In this thesis, I look at the role of quantum entanglement in mixed-state quantum computation. The model we consider is the DQC1 or `power of one qubit' model. I show that there is minimal bipartite entanglement in a typical instance of the DQC1 circuit and even put an upper bound on the possible amount of entanglement... | [
"quant-ph"
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] | null | null | null |
9654665 | 0807.4417 | 2008-07-28 | On Introspection, Metacognitive Control and Augmented Data Mining Live Cycles | We discuss metacognitive modelling as an enhancement to cognitive modelling and computing. Metacognitive control mechanisms should enable AI systems to self-reflect, reason about their actions, and to adapt to new situations. In this respect, we propose implementation details of a knowledge taxonomy and an augmented da... | [
"cs.AI"
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] | null | null | null |
73576477 | 0807.4719 | 2008-07-29 | On an Auxiliary Function for Log-Density Estimation | In this note we provide explicit expressions and expansions for a special function which appears in nonparametric estimation of log-densities. This function returns the integral of a log-linear function on a simplex of arbitrary dimension. In particular it is used in the R-package "LogCondDEAD" by Cule et al. (2007). | [
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9753500 | 0807.4743 | 2008-07-29 | Comparison of low amplitude oscillatory shear in experimental and computational studies of model foams | A fundamental difference between fluids and solids is their response to applied shear. Solids possess static shear moduli, while fluids do not. Complex fluids such as foams display an intermediate response to shear with nontrivial frequency-dependent shear moduli. In this manuscript, we conduct coordinated experiments ... | [
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"name": "Kapilanjan Krishan",
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42348716 | 0807.4568 | 2008-07-29 | Asymptotic teleportation scheme as a universal programmable quantum processor | We consider a scheme of quantum teleportation where a receiver has multiple (N) output ports and obtains the teleported state by merely selecting one of the N ports according to the outcome of the sender's measurement. We demonstrate that such teleportation is possible by showing an explicit protocol where N pairs of m... | [
"quant-ph"
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] | null | null | null |
115154472 | 0807.4632 | 2008-07-29 | Quantum Thermodynamics of Non-Ideal Gases | We show that when the thermal wavelength is comparable to the spatial size of a system, thermodynamic observables like Pressure and Volume have quantum fluctuations that cannot be ignored. They are now represented by operators; conventional (classical) thermodynamics is no longer applicable. We continue the work in ear... | [
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"name": "S [\"G\"] Rajeev",
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11162248 | 0807.4647 | 2008-07-29 | Defect Energy Levels in Density Functional Calculations: Alignment and Band Gap Problem | For materials of varying band gap, we compare energy levels of atomically localized defects calculated within a semilocal and a hybrid density-functional scheme. Since the latter scheme partially relieves the band gap problem, our study describes how calculated defect levels shift when the band gap approaches the exper... | [
"cond-mat.mtrl-sci"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18396446 | 0807.4880 | 2008-07-30 | Is the Universe More Transparent to Gamma Rays Than Previously Thought? | The MAGIC collaboration has recently reported the detection of the strong gamma-ray blazar 3C279 during a 1-2 day flare. They have used their spectral observations to draw conclusions regarding upper limits on the opacity of the Universe to high energy gamma-rays and, by implication, upper limits on the extragalactic m... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118685663 | 0807.4870 | 2008-07-30 | Tidal dissipation in binary systems | To first approximation, a binary system conserves its angular momentum while it evolves to its state of minimum kinetic energy: circular orbit, all spins aligned, and components rotating in synchronism with the orbital motion. The pace at which this final state is achieved depends on the physical processes that are res... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
40527732 | 0807.4868 | 2008-07-30 | Weakly Nonlinear Theory of Dynamic Fracture | The common approach to crack dynamics, linear elastic fracture mechanics (LEFM), assumes infinitesimal strains and predicts a $r^{-1/2}$ strain divergence at a crack tip. We extend this framework by deriving a weakly nonlinear fracture mechanics theory incorporating the leading nonlinear elastic corrections that must o... | [
"cond-mat.mtrl-sci"
] | null | [
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{
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{
"author_id": "a livne_3",
"name": "Ariel Livne",
"publication_history": null,
"h_index": null,
"num_papers": null... | null |
12172391 | 0807.4902 | 2008-07-30 | Dephasing assisted transport: Quantum networks and biomolecules | Transport phenomena are fundamental in Physics. They allow for information and energy to be exchanged between individual constituents of communication systems, networks or even biological entities. Environmental noise will generally hinder the efficiency of the transport process. However, and contrary to intuition, the... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
10663466 | 0807.4770 | 2008-07-30 | Channel Coding and Decoding in a Relay System Operated with Physical layer Network Coding | Physical-layer Network Coding (PNC) can significantly improve the throughput of wireless two way relay channel (TWRC) by allowing the two end nodes to transmit messages to the relay simultaneously. To achieve reliable communication, channel coding could be applied on top of PNC. This paper investigates link-by-link cha... | [
"cs.NI",
"cs.IT",
"math.IT"
] | null | [
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"author_id": "s zhang_49",
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"author_id": "s liew_1",
"name": "Soung [\"Chang\"] Liew",
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718908 | 0807.4846 | 2008-07-30 | Error-Correcting Codes in Projective Spaces via Rank-Metric Codes and Ferrers Diagrams | Coding in the projective space has received recently a lot of attention due to its application in network coding. Reduced row echelon form of the linear subspaces and Ferrers diagram can play a key role for solving coding problems in the projective space. In this paper we propose a method to design error-correcting cod... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14124024 | 0807.4924 | 2008-07-30 | Fractional M2-branes | We consider two generalizations of the N=6 superconformal Chern-Simons-matter theories with gauge group U(N)xU(N). The first generalization is to N=6 superconformal U(M)xU(N) theories, and the second to N=5 superconformal O(2M)xUSp(2N) and O(2M+1)xUSp(2N) theories. These theories are conjectured to describe M2-branes p... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16024182 | 0807.4900 | 2008-07-30 | Search for Second-Class Currents in tau- -> omega pi- nu_tau | We report on an analysis of $\tau^-$ decaying into $\omega\pi^-\nu_\tau$ with $\omega\to\pi^+\pi^-\pi^0$ using data containing nearly 320 million tau pairs collected with the BABAR detector at the PEP-II asymmetric energy $B$-Factory. We find no evidence for second-class currents and set an upper limit at 0.69% at a 90... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "b aubert_1",
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"author_id": "y karyotakis_1",
"name": "Yannis Karyotakis",
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118414693 | 0807.4819 | 2008-07-30 | Thermal Noise on Adiabatic Quantum Computation | The success of adiabatic quantum computation (AQC) depends crucially on the ability to maintain the quantum computer in the ground state of the evolution Hamiltonian. The computation process has to be sufficiently slow as restricted by the minimal energy gap. However, at finite temperatures, it might need to be fast en... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
26914268 | 0807.4926 | 2008-07-30 | Grain Boundary Motion Exhibits the Dynamics of Glass-Forming Liquids | Polycrystalline materials can be viewed as composites of crystalline particles or grains separated from one another by thin amorphous grain boundary (GB) regions. While GB have been exhaustively investigated at low temperatures, where these regions resolve into complex ordered structures accessible to measurement, much... | [
"cond-mat.mtrl-sci",
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{
"author_id": "h zhang_269",
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{
"author_id": "d srolovitz_1",
"name": "David [\"J.\"] Srolovitz",
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45691559 | 0807.4866 | 2008-07-30 | The Breakdown of Linear Elastic Fracture Mechanics near the Tip of a Rapid Crack | We present high resolution measurements of the displacement and strain fields near the tip of a dynamic (Mode I) crack. The experiments are performed on polyacrylamide gels, brittle elastomers whose fracture dynamics mirror those of typical brittle amorphous materials. Over a wide range of propagation velocities ($0.2-... | [
"cond-mat.mtrl-sci"
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"name": "Eran Bouchbinder",
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"num_papers": null... | null |
196207302 | 0807.4838 | 2008-07-30 | Complex and Adaptive Dynamical Systems: A Primer | An thorough introduction is given at an introductory level to the field of quantitative complex system science, with special emphasis on emergence in dynamical systems based on network topologies. Subjects treated include graph theory and small-world networks, a generic introduction to the concepts of dynamical system ... | [
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] | null | [
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] | null | null | null |
115158763 | 0807.4803 | 2008-07-30 | Barycentric decomposition of quantum measurements in finite dimensions | We analyze the convex structure of the set of positive operator valued measures (POVMs) representing quantum measurements on a given finite dimensional quantum system, with outcomes in a given locally compact Hausdorff space. The extreme points of the convex set are operator valued measures concentrated on a finite set... | [
"math-ph",
"math.MP",
"quant-ph"
] | null | [
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] | [
{
"corpus_id": "329551",
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] | [
{
"author_id": "g chiribella_1",
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"name": "Giacomo [\"Mauro\"] D’Ariano",
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... | null |
29823879 | 0807.5073 | 2008-07-31 | Hyperbolicity and the effective dimension of spatially-extended dissipative systems | We show, using covariant Lyapunov vectors, that the chaotic solutions of spatially extended dissipative systems evolve within a manifold spanned by a finite number of physical modes hyperbolically isolated from a set of residual degrees of freedom, themselves individually isolated from each other. In the context of dis... | [
"nlin.CD",
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
9306325 | 0808.0037 | 2008-07-31 | An Energy-Based Comparison of Long-Hop and Short-Hop Routing in MIMO Networks | This paper considers the problem of selecting either routes that consist of long hops or routes that consist of short hops in a network of multiple-antenna nodes, where each transmitting node employs spatial multiplexing. This distance-dependent route selection problem is approached from the viewpoint of energy efficie... | [
"cs.IT",
"math.IT"
] | null | [
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{
"author_id": "c lo_13",
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1171359 | 0808.0036 | 2008-07-31 | Why Does a Kronecker Model Result in Misleading Capacity Estimates? | Many recent works that study the performance of multi-input multi-output (MIMO) systems in practice assume a Kronecker model where the variances of the channel entries, upon decomposition on to the transmit and the receive eigen-bases, admit a separable form. Measurement campaigns, however, show that the Kronecker mode... | [
"cs.IT",
"math.IT"
] | null | [
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] | null | null | null |
12066077 | 0808.0001 | 2008-07-31 | Galactic Globular and Open Clusters in the Sloan Digital Sky Survey. I. Crowded Field Photometry and Cluster Fiducial Sequences in ugriz | We present photometry for globular and open cluster stars observed with the Sloan Digital Sky Survey (SDSS). In order to exploit over 100 million stellar objects with r < 22.5 mag observed by SDSS, we need to understand the characteristics of stars in the SDSS ugriz filters. While star clusters provide important calibr... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
707069 | 0807.5022 | 2008-07-31 | Approximately bisimilar symbolic models for incrementally stable switched systems | Switched systems constitute an important modeling paradigm faithfully describing many engineering systems in which software interacts with the physical world. Despite considerable progress on stability and stabilization of switched systems, the constant evolution of technology demands that we make similar progress with... | [
"math.OC"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
3615329 | 0807.5091 | 2008-07-31 | Message-passing for Maximum Weight Independent Set | We investigate the use of message-passing algorithms for the problem of finding the max-weight independent set (MWIS) in a graph. First, we study the performance of the classical loopy max-product belief propagation. We show that each fixed point estimate of max-product can be mapped in a natural way to an extreme poin... | [
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"cs.IT",
"math.IT"
] | null | [
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{
"author_id": "s sanghavi_1",
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"author_id": "d shah_3",
"name": "Devavrat Shah",
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"... | null |
88512313 | 0807.5059 | 2008-07-31 | Adaptive density estimation for directional data using needlets | This paper is concerned with density estimation of directional data on the sphere. We introduce a procedure based on thresholding on a new type of spherical wavelets called {\it needlets}. We establish a minimax result and prove its optimality. We are motivated by astrophysical applications, in particular in connection... | [
"math.ST",
"astro-ph",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1901085 | 0808.0059 | 2008-07-31 | Quantum walk based search algorithms | In this survey paper we give an intuitive treatment of the discrete time quantization of classical Markov chains. Grover search and the quantum walk based search algorithms of Ambainis, Szegedy and Magniez et al. will be stated as quantum analogues of classical search procedures. We present a rather detailed descriptio... | [
"quant-ph",
"cs.CC"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7007599 | 0807.5039 | 2008-07-31 | Constraints on New Physics in MFV models: a model-independent analysis of Delta F=1 processes | We analyse the constraints on dimension-six Delta F=1 effective operators in models respecting the MFV hypothesis, both in the one-Higgs doublet case and in the two-Higgs doublet scenario with large tan beta. The constraints are derived mainly from the b -> s inclusive observables measured at the B factories. The impli... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
4554502 | 0807.4994 | 2008-07-31 | Architectures for a quantum random access memory | A random access memory, or RAM, is a device that, when interrogated, returns the content of a memory location in a memory array. A quantum RAM, or qRAM, allows one to access superpositions of memory sites, which may contain either quantum or classical information. RAMs and qRAMs with n-bit addresses can access 2^n memo... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
19711328 | 0807.4993 | 2008-07-31 | Realization of a feedback controlled flashing ratchet | A flashing ratchet transports diffusive particles using a time-dependent, asymmetric potential. Particle speed is predicted to increase when a feedback algorithm based on particle positions is used. We have experimentally realized such a feedback ratchet using an optical line trap, and observed that use of feedback inc... | [
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15087469 | 0807.5028 | 2008-07-31 | Counting Abelian Squares | An abelian square is a string of length 2n where the last n symbols form a permutation of the first n symbols. In this note we count the number of abelian squares and give an asymptotic estimate of this quantity. | [
"math.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6605822 | 0808.0103 | 2008-08-01 | Use of Astronomical Literature - A Report on Usage Patterns | In this paper we present a number of metrics for usage of the SAO/NASA Astrophysics Data System (ADS). Since the ADS is used by the entire astronomical community, these are indicative of how the astronomical literature is used. We will show how the use of the ADS has changed both quantitatively and qualitatively. We wi... | [
"cs.DL",
"astro-ph"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "e henneken_1",
"name": "Edwin [\"A.\"] Henneken",
"publication_history": null,
"h_index": null,
"num_papers": null,
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},
{
"author_id": "m kurtz_2",
"name": "Michael [\"J.\"] Kurtz",
"publication_history": null,
"h_index": null,
"nu... | null |
14256305 | 0808.0129 | 2008-08-01 | VW LMi: tightest quadruple system known. Light-time effect and possible secular changes of orbits | Tightest known quadruple systems VW LMi consists of contact eclipsing binary with P_12 = 0.477551 days and detached binary with P_34 = 7.93063 days revolving in rather tight, 355.0-days orbit. This paper presents new photometric and spectroscopic observations yielding 69 times of minima and 36 disentangled radial veloc... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15294678 | 0808.0193 | 2008-08-01 | The LBT Panoramic View on the Recent Star-Formation Activity in IC2574 | We present deep imaging of the star-forming dwarf galaxy IC2574 in the M81 group taken with the Large Binocular Telescope in order to study in detail the recent star-formation history of this galaxy and to constrain the stellar feedback on its HI gas. We identify the star-forming areas in the galaxy by removing a smoot... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "118968800",
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},
{
"corpus_id": "14572518",
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},
{
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},
{
"corpus_id": "5652296",
"num_citations": null
},
{
"corpus_id": "13969309",
"num_citations": null
}... | [
{
"author_id": "a pasquali_2",
"name": "Anna Pasquali",
"publication_history": null,
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},
{
"author_id": "a leroy_2",
"name": "Adam [\"K.\"] Leroy",
"publication_history": null,
"h_index": null,
"num_papers": nu... | null |
1581300 | 0808.0163 | 2008-08-01 | Twice-Ramanujan Sparsifiers | We prove that every graph has a spectral sparsifier with a number of edges linear in its number of vertices. As linear-sized spectral sparsifiers of complete graphs are expanders, our sparsifiers of arbitrary graphs can be viewed as generalizations of expander graphs. In particular, we prove that for every $d>1$ and ev... | [
"cs.DS",
"cs.DM"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7681707 | 0808.0148 | 2008-08-01 | Eigenvalue bounds, spectral partitioning, and metrical deformations via flows | We present a new method for upper bounding the second eigenvalue of the Laplacian of graphs. Our approach uses multi-commodity flows to deform the geometry of the graph; we embed the resulting metric into Euclidean space to recover a bound on the Rayleigh quotient. Using this, we show that every $n$-vertex graph of gen... | [
"cs.DS",
"cs.CG",
"math.MG",
"math.SP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
36362833 | 0808.0216 | 2008-08-01 | Thermoelectric efficiency at maximum power in a quantum dot | We identify the operational conditions for maximum power of a nanothermoelectric engine consisting of a single quantum level embedded between two leads at different temperatures and chemical potentials. The corresponding thermodynamic efficiency agrees with the Curzon-Ahlborn expression up to quadratic terms in the gra... | [
"cond-mat.stat-mech"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m esposito_5",
"name": "Massimiliano Esposito",
"publication_history": null,
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},
{
"author_id": "k lindenberg_1",
"name": "Katja Lindenberg",
"publication_history": null,
"h_index": null,
"num_p... | null |
119296696 | 0808.0063 | 2008-08-01 | GRAVITY: getting to the event horizon of Sgr A* | We present the second-generation VLTI instrument GRAVITY, which currently is in the preliminary design phase. GRAVITY is specifically designed to observe highly relativistic motions of matter close to the event horizon of Sgr A*, the massive black hole at center of the Milky Way. We have identified the key design featu... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "f eisenhauer_1",
"name": "Frank Eisenhauer",
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"h_index": null,
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},
{
"author_id": "g perrin_2",
"name": "Guy Perrin",
"publication_history": null,
"h_index": null,
"num_papers": null,... | null |
14752371 | 0808.0272 | 2008-08-02 | Kovalenko's Full-Rank Limit and Overhead as Lower Bounds for Error-Performances of LDPC and LT Codes over Binary Erasure Channels | We present Kovalenko's full-rank limit as a tight lower bound for decoding error probability of LDPC codes and LT codes over BEC. From the limit, we derive a full-rank overhead as a lower bound for stable overheads for successful maximum-likelihood decoding of the codes. | [
"cs.IT",
"cs.DM",
"math.CO",
"math.IT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "k lee_31",
"name": "Ki-Moon Lee",
"publication_history": null,
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},
{
"author_id": "h radha_1",
"name": "Hayder Radha",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_... | null |
2067999 | 0808.0291 | 2008-08-02 | One shot schemes for decentralized quickest change detection | This work considers the problem of quickest detection with N distributed sensors that receive continuous sequential observations from the environment. These sensors employ cumulative sum (CUSUM) strategies and communicate to a central fusion center by one shot schemes. One shot schemes are schemes in which the sensors ... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
35020133 | 0808.0323 | 2008-08-03 | Elastic nonlinearities in a one-dimensional model of fracture | The dynamics of rapid brittle cracks is commonly studied in the framework of linear elastic fracture mechanics where nonlinearities are neglected. However, recent experimental and theoretical work demonstrated explicitly the importance of elastic nonlinearities in fracture dynamics. We study two simple one-dimensional ... | [
"cond-mat.mtrl-sci"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "e bouchbinder_1",
"name": "Eran Bouchbinder",
"publication_history": null,
"h_index": null,
"num_papers": null,
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},
{
"author_id": "t lo_5",
"name": "T. [\"S.\"] Lo",
"publication_history": null,
"h_index": null,
"num_papers": null... | null |
6234693 | 0808.0293 | 2008-08-03 | A note on the non-commutative Laplace-Varadhan integral lemma | We continue the study of the free energy of quantum lattice spin systems where to the local Hamiltonian $H$ an arbitrary mean field term is added, a polynomial function of the arithmetic mean of some local observables $X$ and $Y$ that do not necessarily commute. By slightly extending a recent paper by Hiai, Mosonyi, Oh... | [
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "1946900",
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},
{
"corpus_id": "125336266",
"num_citations": null
}
] | [
{
"author_id": "w roeck_0",
"name": "Wojciech [\"de\"] Roeck",
"publication_history": null,
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},
{
"author_id": "c maes_1",
"name": "Christian Maes",
"publication_history": null,
"h_index": null,
"num_papers": n... | null |
18613533 | 0808.0337 | 2008-08-03 | Non-standard approximations of the Ito-map | The Wong-Zakai theorem asserts that ODEs driven by "reasonable" (e.g. piecewise linear) approximations of Brownian motion converge to the corresponding Stratonovich stochastic differential equation. With the aid of rough path analysis, we study "non-reasonable" approximations and go beyond a well-known criterion of [Ik... | [
"math.PR",
"math.CA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
11855627 | 0808.0521 | 2008-08-04 | Logics for the Relational Syllogistic | The Aristotelian syllogistic cannot account for the validity of many inferences involving relational facts. In this paper, we investigate the prospects for providing a relational syllogistic. We identify several fragments based on (a) whether negation is permitted on all nouns, including those in the subject of a sente... | [
"cs.LO",
"cs.CC",
"cs.CL"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "i pratt-hartmann_1",
"name": "Ian Pratt-Hartmann",
"publication_history": null,
"h_index": null,
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"num_citations": null
},
{
"author_id": "l moss_1",
"name": "Lawrence [\"S.\"] Moss",
"publication_history": null,
"h_index": null,
"nu... | null |
14408978 | 0808.0528 | 2008-08-04 | Measurement of the Branching Fractions of Bbar -> D** l^- nubar_l Decays in Events Tagged by a Fully Reconstructed B Meson | We report a measurement of the branching fractions of Bbar -> D** l^- nubar_l decays based on 417 fb-1 of data collected at the Upsilon(4S) resonance with the BaBar detector at the PEP-II e+e- storage rings. Events are selected by fully reconstructing one of the B mesons in a hadronic decay mode. A fit to the invariant... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "b aubert_1",
"name": "Bernard Aubert",
"publication_history": null,
"h_index": null,
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"num_citations": null
},
{
"author_id": "m bona_1",
"name": "Marcella Bona",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
13207271 | 0808.0360 | 2008-08-04 | Seiberg Duality in Chern-Simons Theory | We argue that N=2 supersymmetric Chern-Simons theories exhibit a strong-weak coupling Seiberg-type duality. We also discuss supersymmetry breaking in these theories. | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118679027 | 0808.0477 | 2008-08-04 | Measuring the Higgs-Vector boson Couplings at Linear $e^{+} e^{-}$ Collider | We estimate the accuracy with which the coefficient of the CP even dimension six operators involving Higgs and two vector bosons (HVV) can be measured at linear $e^+ e^-$ colliders. Using the optimal observables method for the kinematic distributions, our analysis is based on the five different processes. First is the ... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5907239 | 0808.0558 | 2008-08-04 | Communication Through Jamming over a Slotted ALOHA Channel | This work derives bounds on the jamming capacity of a slotted ALOHA system. A system with n legitimate users, each with a Bernoulli arrival process is considered. Packets are temporarily stored at the corresponding user queues, and a slotted ALOHA strategy is used for packet transmissions over the shared channel. The s... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "s bhadra_3",
"name": "Sandeep Bhadra",
"publication_history": null,
"h_index": null,
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},
{
"author_id": "s bodas_0",
"name": "Shreeshankar Bodas",
"publication_history": null,
"h_index": null,
"num_papers": null... | null |
9672991 | 0808.0222 | 2008-08-04 | Top Mass Measurements from Jets and the Tevatron Top-Quark Mass | Theoretical issues are discussed for the measurement of the top-mass using jets, including perturbative and non-perturbative effects that relate experimental observables to the Lagrangian mass, and appropriate choices for mass schemes. Full account for these issues is given for e+e--> t-tbar using a factorization theor... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5119980 | 0808.0333 | 2008-08-04 | Measurement of Semileptonic B Decays into Orbitally Excited Charmed Mesons | We present a study of B decays into semileptonic final states containing charged and neutral $D_1(2420)$ and $D_2^*(2460)$. The analysis is based on a data sample of $208 fb^{-1}$ collected at the $\Upsilon(4S)$ resonance with the BaBar detector at the PEP-II asymmetric-energy $B$ Factory at SLAC. With a simultaneous f... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "b aubert_1",
"name": "Bernard Aubert",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "m bona_1",
"name": "Marcella Bona",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
16812153 | 0808.0711 | 2008-08-05 | Support union recovery in high-dimensional multivariate regression | In multivariate regression, a $K$-dimensional response vector is regressed upon a common set of $p$ covariates, with a matrix $B^*\in\mathbb{R}^{p\times K}$ of regression coefficients. We study the behavior of the multivariate group Lasso, in which block regularization based on the $\ell_1/\ell_2$ norm is used for supp... | [
"stat.ML",
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5999576 | 0808.0657 | 2008-08-05 | High-Breakdown Robust Multivariate Methods | When applying a statistical method in practice it often occurs that some observations deviate from the usual assumptions. However, many classical methods are sensitive to outliers. The goal of robust statistics is to develop methods that are robust against the possibility that one or several unannounced outliers may oc... | [
"stat.ME"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
9116001 | 0808.0703 | 2008-08-05 | Observation of ZZ production in ppbar collisions at sqrt(s) = 1.96 TeV | We present an observation for ZZ -> l+l-l'+l'- (l, l' = e or mu) production in ppbar collisions at a center-of-mass energy of sqrt(s) = 1.96 TeV. Using 1.7 fb-1 of data collected by the D0 experiment at the Fermilab Tevatron Collider, we observe three candidate events with an expected background of 0.14 +0.03 -0.02 eve... | [
"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 |
11137735 | 0808.0582 | 2008-08-05 | Comment: Microarrays, Empirical Bayes and the Two-Groups Model | Comment on ``Microarrays, Empirical Bayes and the Two-Groups Model'' [arXiv:0808.0572] | [
"stat.ME"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
4084198 | 0808.0645 | 2008-08-05 | Verbal Autopsy Methods with Multiple Causes of Death | Verbal autopsy procedures are widely used for estimating cause-specific mortality in areas without medical death certification. Data on symptoms reported by caregivers along with the cause of death are collected from a medical facility, and the cause-of-death distribution is estimated in the population where only sympt... | [
"stat.ME"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16286553 | 0808.0597 | 2008-08-05 | Comment: Microarrays, Empirical Bayes and the Two-Groups Model | Brad Efron's paper [arXiv:0808.0572] has inspired a return to the ideas behind Bayes, frequency and empirical Bayes. The latter preferably would not be limited to exchangeable models for the data and hyperparameters. Parallels are revealed between microarray analyses and profiling of hospitals, with advances suggesting... | [
"stat.ME"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8418378 | 0808.0745 | 2008-08-05 | Relay-Assisted User Scheduling in Wireless Networks with Hybrid-ARQ | This paper studies the problem of relay-assisted user scheduling for downlink wireless transmission. The base station or access point employs hybrid automatic-repeat-request (HARQ) with the assistance of a set of fixed relays to serve a set of mobile users. By minimizing a cost function of the queue lengths at the base... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "c lo_13",
"name": "Caleb [\"K.\"] Lo",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "j hasenbein_1",
"name": "John [\"J.\"] Hasenbein",
"publication_history": null,
"h_index": null,
"num_pape... | null |
119241809 | 0808.0642 | 2008-08-05 | How to use retarded Green's functions in de Sitter spacetime | We demonstrate in examples that the covariant retarded Green's functions in electromagnetism and linearized gravity work as expected in de Sitter spacetime. We first clarify how retarded Green's functions should be used in spacetimes with spacelike past infinity such as de Sitter spacetime. In particular, we remind the... | [
"gr-qc",
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
13624296 | 0808.0495 | 2008-08-05 | Imaging bond order near non-magnetic impurities in square lattice antiferromagnets | We study the textures of generalized "charge densities" (scalar objects invariant under time reversal), in the vicinity of non-magnetic impurities in square-lattice quantum anti-ferromagnets, by order parameter field theories. Our central finding is the structure of the "vortex" in the generalized density wave order pa... | [
"cond-mat.str-el"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "r kaul_2",
"name": "Ribhu [\"K.\"] Kaul",
"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_papers":... | null |
4347823 | 0808.0553 | 2008-08-05 | Cold streams in early massive hot haloes as the main mode of galaxy formation | The massive galaxies in the young universe, ten billion years ago, formed stars at surprising intensities. Although this is commonly attributed to violent mergers, the properties of many of these galaxies are incompatible with such events, showing gas-rich, clumpy, extended rotating disks not dominated by spheroids (Ge... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16268213 | 0808.0845 | 2008-08-06 | Mutual information is copula entropy | We prove that mutual information is actually negative copula entropy, based on which a method for mutual information estimation is proposed. | [
"cs.IT",
"cs.LG",
"math.IT",
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
9768346 | 0808.0855 | 2008-08-06 | Quantum interference and Klein tunneling in graphene heterojunctions | The observation of quantum conductance oscillations in mesoscopic systems has traditionally required the confinement of the carriers to a phase space of reduced dimensionality. While electron optics such as lensing and focusing have been demonstrated experimentally, building a collimated electron interferometer in two ... | [
"cond-mat.mes-hall",
"cond-mat.mtrl-sci"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14436568 | 0808.0762 | 2008-08-06 | On the Convergence of Optimal Measures | Using recent results of Berman and Boucksom we show that for a non-pluripolar compact set K in C^d and an admissible weight function w=e^{-\phi} any sequence of so-called optimal measures converges weak-* to the equilibrium measure \mu_{K,\phi} of (weighted) Pluripotential Theory for K,\phi. | [
"math.CV",
"math.CA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18311912 | 0808.0913 | 2008-08-06 | Electronic Griffiths phase of the d=2 Mott transition | We investigate the effects of disorder within the T=0 Brinkman-Rice (BR) scenario for the Mott metal-insulator transition (MIT) in two dimensions (2d). For sufficiently weak disorder the transition retains the Mott character, as signaled by the vanishing of the local quasiparticles (QP) weights Z_{i} and strong disorde... | [
"cond-mat.str-el",
"cond-mat.dis-nn"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
13467359 | 0808.0954 | 2008-08-06 | Achievable rate regions for bi-directional relaying | In a bi-directional relay channel, two nodes wish to exchange independent messages over a shared wireless half-duplex channel with the help of a relay. In this paper, we derive achievable rate regions for four new half-duplex protocols and compare these to four existing half-duplex protocols and outer bounds. In time, ... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "s kim_71",
"name": "Sang [\"Joon\"] Kim",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "n devroye_1",
"name": "N. Devroye",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
5797672 | 0808.0829 | 2008-08-06 | A note on the primordial abundance of stau NLSPs | In scenarios with a gravitino LSP, there exist strong BBN constraints on the abundance of a possible stau NLSP. We find that in settings with substantial left-right mixing of the stau mass eigenstates these constraints can be evaded even for very long-lived staus. | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5289221 | 0808.0813 | 2008-08-06 | RoboNet-II: Follow-up observations of microlensing events with a robotic network of telescopes | RoboNet-II uses a global network of robotic telescopes to perform follow-up observations of microlensing events in the Galactic Bulge. The current network consists of three 2m telescopes located in Hawaii and Australia (owned by Las Cumbres Observatory) and the Canary Islands (owned by Liverpool John Moores University)... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14266406 | 0808.0780 | 2008-08-06 | LLE with low-dimensional neighborhood representation | The local linear embedding algorithm (LLE) is a non-linear dimension-reducing technique, widely used due to its computational simplicity and intuitive approach. LLE first linearly reconstructs each input point from its nearest neighbors and then preserves these neighborhood relations in the low-dimensional embedding. W... | [
"stat.ML"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "y goldberg_1",
"name": "Yair Goldberg",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "y ritov_1",
"name": "Ya'acov Ritov",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
16919434 | 0808.0773 | 2008-08-06 | A Necessary Condition for Individual Time-Steps in SPH Simulations | We show that the smoothed particle hydrodynamics (SPH) method, used with individual time-steps in the way described in the literature, cannot handle strong explosion problems correctly. In the individual time-step scheme, particles determine their time-steps essentially from a local Courant condition. Thus they cannot ... | [
"astro-ph"
] | null | [
"target.author.publication_history",
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] | [
{
"corpus_id": "16378825",
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] | [
{
"author_id": "t saitoh_2",
"name": "Takayuki [\"R.\"] Saitoh",
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{
"author_id": "j makino_1",
"name": "Junichiro Makino",
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"num_pape... | null |
15859412 | 0808.0765 | 2008-08-06 | Tensorial hydrodynamic slip | We describe a tensorial generalization of the Navier slip boundary condition and illustrate its use in solving for flows around anisotropic textured surfaces. Tensorial slip can be derived from molecular or microstructural theories or simply postulated as an constitutive relation, subject to certain general constraints... | [
"physics.flu-dyn"
] | null | [
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"target.author.publication_history.key_reference"
] | [
{
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{
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},
{
"corpus_id": "11241792",
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{
"author_id": "m bazant_1",
"name": "Martin [\"Z.\"] Bazant",
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},
{
"author_id": "o vinogradova_1",
"name": "Olga [\"I.\"] Vinogradova",
"publication_history": null,
"h_index": null,
... | null |
14864672 | 0808.0904 | 2008-08-06 | Notes on toric Sasaki-Einstein seven-manifolds and AdS_4/CFT_3 | We study the geometry and topology of two infinite families Y^{p,k} of Sasaki-Einstein seven-manifolds, that are expected to be AdS_4/CFT_3 dual to families of N=2 superconformal field theories in three dimensions. These manifolds, labelled by two positive integers p and k, are Lens space bundles S^3/Z_p over CP^2 and ... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16634419 | 0808.1037 | 2008-08-07 | Toy quantum categories | We show that Rob Spekken's toy quantum theory arises as an instance of our categorical approach to quantum axiomatics, as a (proper) subcategory of the dagger compact category FRel of finite sets and relations with the cartesian product as tensor, where observables correspond to dagger Frobenius algebras. This in parti... | [
"quant-ph",
"math.CT",
"math.LO",
"math.QA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
9407348 | 0808.1030 | 2008-08-07 | Rejoinder: One-step sparse estimates in nonconcave penalized likelihood models | We would like to take this opportunity to thank the discussants for their thoughtful comments and encouragements on our work [arXiv:0808.1012]. The discussants raised a number of issues from theoretical as well as computational perspectives. Our rejoinder will try to provide some insights into these issues and address ... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15636632 | 0808.0989 | 2008-08-07 | Semiparametric detection of significant activation for brain fMRI | Functional magnetic resonance imaging (fMRI) aims to locate activated regions in human brains when specific tasks are performed. The conventional tool for analyzing fMRI data applies some variant of the linear model, which is restrictive in modeling assumptions. To yield more accurate prediction of the time-course beha... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [
{
"corpus_id": "2889490",
"num_citations": null
}
] | [
{
"author_id": "c zhang_210",
"name": "Chunming Zhang",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "t yu_41",
"name": "Tao Yu",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_ci... | null |
10145759 | 0808.0963 | 2008-08-07 | A parallel algorithm for the enumeration of benzenoid hydrocarbons | We present an improved parallel algorithm for the enumeration of fixed benzenoids B_h containing h hexagonal cells. We can thus extend the enumeration of B_h from the previous best h=35 up to h=50. Analysis of the associated generating function confirms to a very high degree of certainty that $B_h \sim A \kappa^h /h$ a... | [
"cond-mat.stat-mech",
"physics.chem-ph",
"physics.comp-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
88518024 | 0808.1013 | 2008-08-07 | Discussion: One-step sparse estimates in nonconcave penalized likelihood models | Discussion of ``One-step sparse estimates in nonconcave penalized likelihood models'' [arXiv:0808.1012] | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15318303 | 0808.1025 | 2008-08-07 | Discussion: One-step sparse estimates in nonconcave penalized likelihood models | Discussion of ``One-step sparse estimates in nonconcave penalized likelihood models'' [arXiv:0808.1012] | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15871709 | 0808.1062 | 2008-08-07 | Optimization of Location Management for PCS Networks with CTRW Mobility Model | This paper considers the design of the optimal locationupdate area (LA) of the distance-based scheme for personal communication service (PCS) networks. We focus on the optimization of two design parameters associated with the LA: 1) initial position upon LA update; 2) distance threshold for triggering of LA update. Bas... | [
"cs.NI",
"cs.PF"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "q zhao_65",
"name": "Qinglin Zhao",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "s liew_1",
"name": "Soung [\"Chang\"] Liew",
"publication_history": null,
"h_index": null,
"num_papers": null... | null |
119232168 | 0808.0938 | 2008-08-07 | Geometric Entanglement in a One-Dimensional Valence Bond Solid State | In this paper we provide the analytical derivation of the global geometric entanglement per block for the valence bond solid ground state of the spin-1 AKLT chain. In particular, we show that this quantity saturates exponentially fast to a constant when the sizes of the blocks are sufficiently large. Our result provide... | [
"quant-ph",
"cond-mat.str-el"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "r orús_1",
"name": "Román Orús",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
}
] | null |
13997789 | 0808.0967 | 2008-08-07 | The sparsity and bias of the Lasso selection in high-dimensional linear regression | Meinshausen and Buhlmann [Ann. Statist. 34 (2006) 1436--1462] showed that, for neighborhood selection in Gaussian graphical models, under a neighborhood stability condition, the LASSO is consistent, even when the number of variables is of greater order than the sample size. Zhao and Yu [(2006) J. Machine Learning Resea... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference",
"target.key_reference"
] | null | null | null |
6551701 | 0808.0973 | 2008-08-07 | Text Modeling using Unsupervised Topic Models and Concept Hierarchies | Statistical topic models provide a general data-driven framework for automated discovery of high-level knowledge from large collections of text documents. While topic models can potentially discover a broad range of themes in a data set, the interpretability of the learned topics is not always ideal. Human-defined conc... | [
"cs.AI",
"cs.IR"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "c chemudugunta_0",
"name": "Chaitanya Chemudugunta",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "p smyth_1",
"name": "Padhraic Smyth",
"publication_history": null,
"h_index": null,
"num_pap... | null |
11747895 | 0808.1128 | 2008-08-07 | Dynamic Connectivity: Connecting to Networks and Geometry | Dynamic connectivity is a well-studied problem, but so far the most compelling progress has been confined to the edge-update model: maintain an understanding of connectivity in an undirected graph, subject to edge insertions and deletions. In this paper, we study two more challenging, yet equally fundamental problems. ... | [
"cs.DS",
"cs.CG"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "t chan_9",
"name": "Timothy [\"M.\"] Chan",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "m patrascu_1",
"name": "Mihai Patrascu",
"publication_history": null,
"h_index": null,
"num_papers": ... | null |
11047250 | 0808.1010 | 2008-08-07 | Confidence bands in nonparametric time series regression | We consider nonparametric estimation of mean regression and conditional variance (or volatility) functions in nonlinear stochastic regression models. Simultaneous confidence bands are constructed and the coverage probabilities are shown to be asymptotically correct. The imposed dependence structure allows applications ... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1708243 | 0808.0978 | 2008-08-07 | Cognitive MIMO Radio: A Competitive Optimality Design Based on Subspace Projections | Cognitive MIMO Radio: A Competitive Optimality Design Based on Subspace Projections | [
"cs.IT",
"cs.GT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "g scutari_1",
"name": "Gesualdo Scutari",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "d palomar_1",
"name": "Daniel [\"Pérez\"] Palomar",
"publication_history": null,
"h_index": null,
"num_... | null |
17423065 | 0808.1227 | 2008-08-08 | A Semi-Analytic Model for the Co-evolution of Galaxies, Black Holes, and Active Galactic Nuclei | We present a new semi-analytic model that self-consistently traces the growth of supermassive black holes (BH) and their host galaxies within the context of the LCDM cosmological framework. In our model, the energy emitted by accreting black holes regulates the growth of the black holes themselves, drives galactic scal... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
181706 | 0808.1155 | 2008-08-08 | Loop series expansion with propagation diagrams | The Bethe approximation is a successful method for approximating partition functions of probabilistic models associated with a graph. Recently, Chertkov and Chernyak derived an interesting formula called Loop Series Expansion, which is an expansion of the partition function. The main term of the series is the Bethe app... | [
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "y watanabe_6",
"name": "Yusuke Watanabe",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "k fukumizu_1",
"name": "Kenji Fukumizu",
"publication_history": null,
"h_index": null,
"num_papers": nu... | null |
17319634 | 0808.1244 | 2008-08-08 | Tilings, Chern-Simons Theories and M2 Branes | A new infinite class of Chern-Simons theories is presented using brane tilings. The new class reproduces all known cases so far and introduces many new models that are dual to M2 brane theories which probe a toric non-compact CY 4-fold. The master space of the quiver theory is used as a tool to construct the moduli spa... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
13977236 | 0808.1231 | 2008-08-08 | A determination of parton distributions with faithful uncertainty estimation | We present the determination of a set of parton distributions of the nucleon, at next-to-leading order, from a global set of deep-inelastic scattering data: NNPDF1.0. The determination is based on a Monte Carlo approach, with neural networks used as unbiased interpolants. This method, previously discussed by us and app... | [
"hep-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "r ball_1",
"name": "Richard [\"D.\"] Ball",
"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_pap... | null |
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