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 ⌀ |
|---|---|---|---|---|---|---|---|---|---|---|
23453061 | 0805.0332 | 2008-05-05 | Entanglement Spectrum as a Generalization of Entanglement Entropy: Identification of Topological Order in Non-Abelian Fractional Quantum Hall Effect States | We study the "entanglement spectrum" (a presentation of the Schmidt decomposition analogous to a set of "energy levels") of a many-body state, and compare the Moore-Read model wavefunction for the $\nu$ = 5/2 fractional quantum Hall state with a generic 5/2 state obtained by finite-size diagonalization of the second-La... | [
"cond-mat.mes-hall"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15480985 | 0805.0557 | 2008-05-05 | Intermittence and nonlinear parabolic stochastic partial differential equations | We consider nonlinear parabolic SPDEs of the form $\partial_t u=\sL u + \sigma(u)\dot w$, where $\dot w$ denotes space-time white noise, $\sigma:\R\to\R$ is [globally] Lipschitz continuous, and $\sL$ is the $L^2$-generator of a L\'evy process. We present precise criteria for existence as well as uniqueness of solutions... | [
"math.PR"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
12955751 | 0805.0521 | 2008-05-05 | On the Capacity of Free-Space Optical Intensity Channels | New upper and lower bounds are presented on the capacity of the free-space optical intensity channel. This channel is characterized by inputs that are nonnegative (representing the transmitted optical intensity) and by outputs that are corrupted by additive white Gaussian noise (because in free space the disturbances a... | [
"cs.IT",
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"name": "Stefan [\"M.\"] Moser",
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17060627 | 0805.0659 | 2008-05-06 | Efficient $\mathcal{O}(N^2)$ approach to solve the Bethe-Salpeter equation for excitonic bound states | Excitonic effects in optical spectra and electron-hole pair excitations are described by solutions of the Bethe-Salpeter equation (BSE) that accounts for the Coulomb interaction of excited electron-hole pairs. Although for the computation of excitonic optical spectra in an extended frequency range efficient methods are... | [
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"name": "Claudia Rödl",
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115156459 | 0805.0762 | 2008-05-06 | Dendriform Equations | We investigate solutions for a particular class of linear equations in dendriform algebras. Motivations as well as several applications are provided. The latter follow naturally from the intimate link between dendriform algebras and Rota-Baxter operators, e.g. the Riemann integral or Jackson's q-integral. | [
"math.CO",
"math-ph",
"math.CA",
"math.MP"
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] | null | null | null |
11726810 | 0805.0766 | 2008-05-06 | Sponsored Search Auctions with Markovian Users | Sponsored search involves running an auction among advertisers who bid in order to have their ad shown next to search results for specific keywords. Currently, the most popular auction for sponsored search is the "Generalized Second Price" (GSP) auction in which advertisers are assigned to slots in the decreasing order... | [
"cs.GT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17417139 | 0805.0774 | 2008-05-06 | Splitting Polytopes | A split of a polytope $P$ is a (regular) subdivision with exactly two maximal cells. It turns out that each weight function on the vertices of $P$ admits a unique decomposition as a linear combination of weight functions corresponding to the splits of $P$ (with a split prime remainder). This generalizes a result of Ban... | [
"math.CO",
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] | null | [
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] | null | null | null |
15847089 | 0805.0691 | 2008-05-06 | Analytical theory for the initial mass function: CO clumps and prestellar cores | We derive an analytical theory of the prestellar core initial mass function based on an extension of the Press-Schechter statistical formalism. With the same formalism, we also obtain the mass spectrum for the non self-gravitating clumps produced in supersonic flows. The mass spectrum of the self-gravitating cores repr... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17287475 | 0805.0778 | 2008-05-06 | Asymptotic normality of wavelet estimators of the memory parameter for linear processes | We consider linear processes, not necessarily Gaussian, with long, short or negative memory. The memory parameter is estimated semi-parametrically using wavelets from a sample $X_1,...,X_n$ of the process. We treat both the log-regression wavelet estimator and the wavelet Whittle estimator. We show that these estimator... | [
"math.ST",
"stat.TH"
] | null | [
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] | null | null | null |
15843915 | 0805.0834 | 2008-05-07 | Correcting direction-dependent gains in the deconvolution of radio interferometric images | Astronomical imaging using aperture synthesis telescopes requires deconvolution of the point spread function as well as calibration of instrumental and atmospheric effects. In general, such effects are time-variable and vary across the field of view as well, resulting in direction-dependent (DD), time-varying gains. Mo... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
962691 | 0805.1001 | 2008-05-07 | Modeling of non-stationary accretion disks in X-ray novae A 0620-00 and GRS 1124-68 during outburst | We address the task of modeling soft X-ray and optical light curves of X-ray novae in the high/soft state. The analytic model of viscous evolution of an externally truncated accretion \alpha-disk is used. Relativistic effects near a Kerr black hole and self-irradiation of an accretion disk are taken into account. The m... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2816044 | 0805.0987 | 2008-05-07 | On fine properties of mixtures with respect to concentration of measure and Sobolev type inequalities | Mixtures are convex combinations of laws. Despite this simple definition, a mixture can be far more subtle than its mixed components. For instance, mixing Gaussian laws may produce a potential with multiple deep wells. We study in the present work fine properties of mixtures with respect to concentration of measure and... | [
"math.PR",
"math.FA"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2894640 | 0805.1071 | 2008-05-07 | Submodular approximation: sampling-based algorithms and lower bounds | We introduce several generalizations of classical computer science problems obtained by replacing simpler objective functions with general submodular functions. The new problems include submodular load balancing, which generalizes load balancing or minimum-makespan scheduling, submodular sparsest cut and submodular bal... | [
"cs.DS"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
657368 | 0805.0990 | 2008-05-07 | The pre-log of Gaussian broadcast with feedback can be two | A generic intuition says that the pre-log, or multiplexing gain, cannot be larger than the minimum of the number of transmit and receive dimensions. This suggests that for the scalar broadcast channel, the pre-log cannot exceed one. By contrast, in this note, we show that when the noises are anti-correlated and feedbac... | [
"cs.IT",
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{
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"author_id": "m gastpar_1",
"name": "Michael Gastpar",
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15603749 | 0805.0792 | 2008-05-07 | Real Mirror Symmetry for One-parameter Hypersurfaces | We study open string mirror symmetry for one-parameter Calabi-Yau hypersurfaces in weighted projective space. We identify mirror pairs of D-brane configurations, derive the corresponding inhomogeneous Picard-Fuchs equations, and solve for the domainwall tensions as analytic functions over moduli space. Our calculations... | [
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... | [
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"name": "Johannes Walcher",
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6144637 | 0805.1029 | 2008-05-07 | General Analysis of LARGE Volume Scenarios with String Loop Moduli Stabilisation | We study the topological conditions for general Calabi-Yaus to get a non-supersymmetric AdS exponentially large volume minimum of the scalar potential in flux compactifications of IIB string theory. We show that negative Euler number and the existence of at least one blow-up mode resolving point-like singularities are ... | [
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8185542 | 0805.1008 | 2008-05-07 | Bounds on Fake Weighted Projective Space | A fake weighted projective space X is a Q-factorial toric variety with Picard number one. As with weighted projective space, X comes equipped with a set of weights (\lambda_0,...,\lambda_n). We see how the singularities of P(\lambda_0,...,\lambda_n) influence the singularities of X, and how the weights bound the number... | [
"math.AG",
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] | null | [
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{
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}
] | null |
13247867 | 0805.0963 | 2008-05-07 | Correlated Anarchy in Overlapping Wireless Networks | We investigate the behavior of a large number of selfish users that are able to switch dynamically between multiple wireless access-points (possibly belonging to different standards) by introducing an iterated non-cooperative game. Users start out completely uneducated and naive but, by using a fixed set of strategies ... | [
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"author_id": "a moustakas_1",
"name": "Aris [\"L.\"] Moustakas",
"publication_history": null,
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... | null |
7517857 | 0805.1179 | 2008-05-08 | Autoregressive Process Modeling via the Lasso Procedure | The Lasso is a popular model selection and estimation procedure for linear models that enjoys nice theoretical properties. In this paper, we study the Lasso estimator for fitting autoregressive time series models. We adopt a double asymptotic framework where the maximal lag may increase with the sample size. We derive ... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
14769808 | 0805.1094 | 2008-05-08 | The Rapidly Flaring Afterglow of the Very Bright and Energetic GRB 070125 | We report on multi-wavelength observations, ranging from the X-ray to radio wave bands, of the IPN-localized gamma-ray burst GRB 070125. Spectroscopic observations reveal the presence of absorption lines due to O I, Si II, and C IV, implying a likely redshift of z = 1.547. The well-sampled light curves, in particular f... | [
"astro-ph"
] | null | [
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"author_id": "a updike_1",
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"author_id": "j haislip_1",
"name": "Joshua [\"B.\"] Haislip",
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119112487 | 0805.1214 | 2008-05-08 | Quantum algorithms for spin models and simulable gate sets for quantum computation | We present elementary mappings between classical lattice models and quantum circuits. These mappings provide a general framework to obtain efficiently simulable quantum gate sets from exactly solvable classical models. For example, we recover and generalize the simulability of Valiant's match-gates by invoking the solv... | [
"quant-ph"
] | null | [
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{
"author_id": "m nest_1",
"name": "Maarten [\"Van\",\"den\"] Nest",
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{
"author_id": "w dür_1",
"name": "Wolfgang Dür",
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16304594 | 0805.1205 | 2008-05-08 | The Arecibo Arp 220 Spectral Census I: Discovery of the Pre-Biotic Molecule Methanimine and New Cm-wavelength Transitions of Other Molecules | An on-going Arecibo line search between 1.1 and 10 GHz of the prototypical starburst/megamaser galaxy, Arp 220, has revealed a spectrum rich in molecular transitions. These include the ``pre-biotic'' molecules: methanimine (CH$_{2}$NH) in emission, three $v_{2}=1$ direct l-type absorption lines of HCN, and an absorptio... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
41433528 | 0805.1154 | 2008-05-08 | Clustering of scientific citations in Wikipedia | The instances of templates in Wikipedia form an interesting data set of structured information. Here I focus on the cite journal template that is primarily used for citation to articles in scientific journals. These citations can be extracted and analyzed: Non-negative matrix factorization is performed on a (article x ... | [
"cs.DL",
"cs.NE"
] | null | [
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{
"author_id": "f nielsen_1",
"name": "Finn [\"Årup\"] Nielsen",
"publication_history": null,
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}
] | null |
8839586 | 0805.1437 | 2008-05-09 | On the Spectrum of Large Random Hermitian Finite-Band Matrices | The open problem of calculating the limiting spectrum (or its Shannon transform) of increasingly large random Hermitian finite-band matrices is described. In general, these matrices include a finite number of non-zero diagonals around their main diagonal regardless of their size. Two different communication setups whic... | [
"cs.IT",
"math.IT"
] | null | [
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{
"author_id": "o somekh_1",
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{
"author_id": "o simeone_1",
"name": "Osvaldo Simeone",
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... | null |
6150330 | 0805.1340 | 2008-05-09 | On the Secure Degrees of Freedom in the K-User Gaussian Interference Channel | This paper studies the K-user Gaussian interference channel with secrecy constraints. Two distinct network models, namely the interference channel with confidential messages and the one with an external eavesdropper, are analyzed. Using interference alignment along with secrecy pre-coding at each transmitter, it is sho... | [
"cs.IT",
"math.IT"
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{
"corpus_id": "9082838",
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{
"author_id": "o koyluoglu_1",
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{
"author_id": "h gamal_1",
"name": "Hesham [\"El\"] Gamal",
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"... | null |
5302446 | 0805.1415 | 2008-05-09 | Theory of non-equilibrium thermoelectric effects in nanoscale junctions | Despite its intrinsic non-equilibrium origin, thermoelectricity in nanoscale systems is usually described within a static scattering approach which disregards the dynamical interaction with the thermal baths that maintain energy flow. Using the theory of open quantum systems we show instead that unexpected properties, ... | [
"cond-mat.mes-hall",
"cond-mat.mtrl-sci"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15145639 | 0805.1391 | 2008-05-09 | Linear Time Algorithm for Weak Parity Games | We consider games played on graphs with the winning conditions for the players specified as weak-parity conditions. In weak-parity conditions the winner of a play is decided by looking into the set of states appearing in the play, rather than the set of states appearing infinitely often in the play. A naive analysis of... | [
"cs.LO"
] | null | [
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{
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"name": "Krishnendu Chatterjee",
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}
] | null |
666114 | 0805.1390 | 2008-05-09 | Random projection trees for vector quantization | A simple and computationally efficient scheme for tree-structured vector quantization is presented. Unlike previous methods, its quantization error depends only on the intrinsic dimension of the data distribution, rather than the apparent dimension of the space in which the data happen to lie. | [
"stat.ML"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18748465 | 0805.1425 | 2008-05-09 | High-Dimensional Menger-Type Curvatures - Part I: Geometric Multipoles and Multiscale Inequalities | We define a discrete Menger-type curvature of d+2 points in a real separable Hilbert space H by an appropriate scaling of the squared volume of the corresponding (d+1)-simplex. We then form a continuous curvature of an Ahlfors d-regular measure on H by integrating the discrete curvature according to the product measure... | [
"math.CA",
"math.FA"
] | null | [
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{
"author_id": "g lerman_1",
"name": "Gilad Lerman",
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{
"author_id": "j whitehouse_1",
"name": "J. [\"Tyler\"] Whitehouse",
"publication_history": null,
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15891359 | 0805.1246 | 2008-05-09 | Galaxy Merger Morphologies and Time-Scales from Simulations of Equal-Mass Gas-Rich Disc Mergers | A key obstacle to understanding the galaxy merger rate and its role in galaxy evolution is the difficulty in constraining the merger properties and time-scales from instantaneous snapshots of the real universe.The most common way to identify galaxy mergers is by morphology, yet current theoretical calculations of the t... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5615640 | 0805.1346 | 2008-05-09 | Gauge Invariant Lagrangians for Free and Interacting Higher Spin Fields. A Review of the BRST formulation | We give a detailed review of the construction of gauge invariant Lagrangians for free and interacting higher spin fields using the BRST approach developed over the past few years. | [
"hep-th"
] | null | [
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{
"author_id": "d asner_1",
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{
"author_id": "t barnes_2",
"name": "Ted Barnes",
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12794652 | 0805.1430 | 2008-05-09 | On d-dimensional d-Semimetrics and Simplex-Type Inequalities for High-Dimensional Sine Functions | We show that high-dimensional analogues of the sine function (more precisely, the d-dimensional polar sine and the d-th root of the d-dimensional hypersine) satisfy a simplex-type inequality in a real pre-Hilbert space H. Adopting the language of Deza and Rosenberg, we say that these d-dimensional sine functions are d-... | [
"math.CA",
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{
"author_id": "g lerman_1",
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{
"author_id": "j whitehouse_1",
"name": "J. [\"Tyler\"] Whitehouse",
"publication_history": null,
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14381556 | 0805.1406 | 2008-05-09 | Uniform limit theorems for wavelet density estimators | Let $p_n(y)=\sum_k\hat{\alpha}_k\phi(y-k)+\sum_{l=0}^{j_n-1}\sum_k\hat {\beta}_{lk}2^{l/2}\psi(2^ly-k)$ be the linear wavelet density estimator, where $\phi$, $\psi$ are a father and a mother wavelet (with compact support), $\hat{\alpha}_k$, $\hat{\beta}_{lk}$ are the empirical wavelet coefficients based on an i.i.d. s... | [
"math.ST",
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"stat.ME",
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15693704 | 0805.1420 | 2008-05-09 | Effects of gravitational-wave recoil on the dynamics and growth of supermassive black holes | Simulations of binary black hole mergers indicate that asymmetrical gravitational wave (GW) emission can cause black holes to recoil at speeds up to thousands of km/s. These GW recoil events can dramatically affect the coevolution of recoiling supermassive black holes (SMBHs) and their host galaxies. However, theoretic... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
9597347 | 0805.1485 | 2008-05-10 | Distributed MIMO Systems with Oblivious Antennas | A scenario in which a single source communicates with a single destination via a distributed MIMO transceiver is considered. The source operates each of the transmit antennas via finite-capacity links, and likewise the destination is connected to the receiving antennas through capacity-constrained channels. Targeting a... | [
"cs.IT",
"math.IT"
] | null | [
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{
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{
"author_id": "o simeone_1",
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{
"author_id": "o somekh_1",
"name": "Oren Somekh",
"publication_history": null,
"h_index": null,
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... | null |
11010023 | 0805.1463 | 2008-05-10 | Preparation contextuality powers parity-oblivious multiplexing | In a noncontextual hidden variable model of quantum theory, hidden variables determine the outcomes of every measurement in a manner that is independent of how the measurement is implemented. Using a generalization of this notion to arbitrary operational theories and to preparation procedures, we demonstrate that a par... | [
"quant-ph"
] | null | [
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{
"author_id": "r spekkens_1",
"name": "Robert [\"W.\"] Spekkens",
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{
"author_id": "d buzacott_0",
"name": "D. [\"H.\"] Buzacott",
"publication_history": null,
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"... | null |
15531110 | 0805.1449 | 2008-05-10 | A sequential algorithm for fast clique percolation | In complex network research clique percolation, introduced by Palla et al., is a deterministic community detection method, which allows for overlapping communities and is purely based on local topological properties of a network. Here we present a sequential clique percolation algorithm (SCP) to do fast community detec... | [
"physics.soc-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
6048476 | 0805.1563 | 2008-05-11 | A Linear Programming Relaxation and a Heuristic for the Restless Bandit Problem with General Switching Costs | We extend a relaxation technique due to Bertsimas and Nino-Mora for the restless bandit problem to the case where arbitrary costs penalize switching between the bandits. We also construct a one-step lookahead policy using the solution of the relaxation. Computational experiments and a bound for approximate dynamic prog... | [
"math.OC"
] | null | [
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{
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31448246 | 0805.1696 | 2008-05-12 | Grammatical Evolution with Restarts for Fast Fractal Generation | In a previous work, the authors proposed a Grammatical Evolution algorithm to automatically generate Lindenmayer Systems which represent fractal curves with a pre-determined fractal dimension. This paper gives strong statistical evidence that the probability distributions of the execution time of that algorithm exhibit... | [
"cs.NE",
"cs.SC"
] | null | [
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{
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"name": "Todd Eavis",
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"n... | null |
2156235 | astro-ph/9902168 | 2008-05-12 | Radial Velocity Studies of Close Binary Stars.I | Radial velocity data are presented for 10 W UMa-type systems: GZ And, V417 Aql, LS Del, EF Dra, V829 Her, FG Hya, AP Leo, UV Lyn, BB Peg, AQ Psc, together with preliminary, circular-orbit determinations of spectroscopic elements, with the main goal of obtaining mean radial velocities and mass-ratios for these systems. ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2340877 | 0805.1765 | 2008-05-12 | Efficiently Testing Sparse GF(2) Polynomials | We give the first algorithm that is both query-efficient and time-efficient for testing whether an unknown function $f: \{0,1\}^n \to \{0,1\}$ is an $s$-sparse GF(2) polynomial versus $\eps$-far from every such polynomial. Our algorithm makes $\poly(s,1/\eps)$ black-box queries to $f$ and runs in time $n \cdot \poly(s,... | [
"cs.CC"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "i diakonikolas_1",
"name": "Ilias Diakonikolas",
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},
{
"author_id": "h lee_137",
"name": "Homin [\"K.\"] Lee",
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18218389 | 0805.1761 | 2008-05-12 | Almost localization and almost reducibility | We develop a quantitative version of Aubry duality and use it to obtain several sharp estimates for the dynamics of Schr\"odinger cocycles associated to a non-perturbatively small analytic potential and Diophantine frequency. In particular, we establish the full version of Eliasson's reducibility theory in this regime ... | [
"math.DS",
"math-ph",
"math.MP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7125049 | 0805.1759 | 2008-05-12 | Algorithmic Methods for Sponsored Search Advertising | Modern commercial Internet search engines display advertisements along side the search results in response to user queries. Such sponsored search relies on market mechanisms to elicit prices for these advertisements, making use of an auction among advertisers who bid in order to have their ads shown for specific keywor... | [
"cs.GT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118306372 | 0805.1713 | 2008-05-12 | A parametric model for dark energy | Determining the mechanism behind the current cosmic acceleration constitutes a major question nowadays in theoretical physics. If the dark energy route is taken, this problem may potentially bring to light new insights not only in Cosmology but also in high energy physics theories. Following this approach, we explore i... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17506686 | 0805.1686 | 2008-05-12 | Improved constructions of quantum automata | We present a simple construction of quantum automata which achieve an exponential advantage over classical finite automata. Our automata use \frac{4}{\epsilon} \log 2p + O(1) states to recognize a language that requires p states classically. The construction is both substantially simpler and achieves a better constant ... | [
"quant-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
15024691 | 0805.1726 | 2008-05-12 | f(R) Theories Of Gravity | Modified gravity theories have received increased attention lately due to combined motivation coming from high-energy physics, cosmology and astrophysics. Among numerous alternatives to Einstein's theory of gravity, theories which include higher order curvature invariants, and specifically the particular class of f(R) ... | [
"gr-qc",
"astro-ph",
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
5248208 | 0805.1857 | 2008-05-13 | The Gaussian Many-Help-One Distributed Source Coding Problem | Jointly Gaussian memoryless sources are observed at N distinct terminals. The goal is to efficiently encode the observations in a distributed fashion so as to enable reconstruction of any one of the observations, say the first one, at the decoder subject to a quadratic fidelity criterion. Our main result is a precise c... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "s tavildar_1",
"name": "Saurabha [\"R.\"] Tavildar",
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},
{
"author_id": "p viswanath_1",
"name": "Pramod Viswanath",
"publication_history": null,
"h_index": null,
"n... | null |
807860 | 0805.1921 | 2008-05-13 | Getting Lucky with Adaptive Optics: Fast AO Image Selection in the Visible with a Large Telescope | We describe the results from a new instrument which combines Lucky Imaging and Adaptive Optics to give the first routine direct diffraction-limited imaging in the visible on a 5m telescope. With fast image selection behind the Palomar AO system we obtained Strehl ratios of 5-20% at 700 nm in a typical range of seeing c... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
10437973 | 0805.1841 | 2008-05-13 | The extragalactic optical-infrared background radiations, their time evolution and the cosmic photon-photon opacity | The background radiations in the optical and the infrared constitute a relevant cause of energy loss in the propagation of high energy particles through space. In particular, TeV observations with Cherenkov telescopes of extragalactic sources are influenced by the opacity effects due to the interaction of the very high... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
2976995 | 0805.1929 | 2008-05-13 | Tracing the equation of state and the density of cosmological constant along z | We investigate the equation of state w(z) in a non-parametric form using the latest compilations of distance luminosity from SNe Ia at high z. We combine the inverse problem approach with a Monte Carlo to scan the space of priors. On the light of these high redshift supernova data sets, we reconstruct w(z). A compariso... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "c españa-bonet_1",
"name": "Cristina España-Bonet",
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},
{
"author_id": "p ruiz-lapuente_1",
"name": "Pilar Ruiz-Lapuente",
"publication_history": null,
"h_index": null,
... | null |
18137145 | 0805.1873 | 2008-05-13 | DARWIN - A Mission to Detect, and Search for Life on, Extrasolar Planets | The discovery of extra-solar planets is one of the greatest achievements of modern astronomy. The detection of planets with a wide range of masses demonstrates that extra-solar planets of low mass exist. In this paper we describe a mission, called Darwin, whose primary goal is the search for, and characterization of, t... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1660060 | 0805.2121 | 2008-05-14 | Maximum Likelihood Fitting of Tidal Streams With Application to the Sagittarius Dwarf Tidal Tails | We present a maximum likelihood method for determining the spatial properties of tidal debris and of the Galactic spheroid. With this method we characterize Sagittarius debris using stars with the colors of blue F turnoff stars in SDSS stripe 82. The debris is located at (alpha, delta, R) = (31.37 deg +/- 0.26 deg, 0.0... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [
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{
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{
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{
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"name": "Heidi [\"Jo\"] Newberg",
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21924159 | 0805.2180 | 2008-05-14 | Quantum Metrology: Dynamics vs. Entanglement | A parameter whose coupling to a quantum probe of $n$ constituents includes all two-body interactions between the constituents can be measured with an uncertainty that scales as $1/n^{3/2}$, even when the constituents are initially unentangled. We devise a protocol that achieves the $1/n^{3/2}$ scaling without generatin... | [
"quant-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "s boixo_1",
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{
"author_id": "a datta_5",
"name": "Animesh Datta",
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13224942 | 0805.1978 | 2008-05-14 | Number of Least Area Planes in Gromov Hyperbolic 3-Spaces | We show that for a generic simple closed curve C in the asymptotic boundary of a Gromov hyperbolic 3-space with cocompact metric X, there exist a unique least area plane P in X with asymptotic boundary C. This result has interesting topological applications for constructions of canonical 2-dimensional objects in 3-mani... | [
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] | null | [
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{
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{
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{
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}
] | null |
2150179 | 0805.2027 | 2008-05-14 | Rollout Sampling Approximate Policy Iteration | Several researchers have recently investigated the connection between reinforcement learning and classification. We are motivated by proposals of approximate policy iteration schemes without value functions which focus on policy representation using classifiers and address policy learning as a supervised learning probl... | [
"cs.LG",
"cs.AI",
"cs.CC"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1050017 | 0805.2045 | 2008-05-14 | Semantic Analysis of Tag Similarity Measures in Collaborative Tagging Systems | Social bookmarking systems allow users to organise collections of resources on the Web in a collaborative fashion. The increasing popularity of these systems as well as first insights into their emergent semantics have made them relevant to disciplines like knowledge extraction and ontology learning. The problem of dev... | [
"cs.DL",
"cs.IR"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "1359050",
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}
] | [
{
"author_id": "c cattuto_1",
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},
{
"author_id": "d benz_0",
"name": "Dominik Benz",
"publication_history": null,
"h_index": null,
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"n... | null |
118418465 | 0805.2082 | 2008-05-14 | Introduction to black holes | Black holes are perhaps the most strange and fascinating objects known to exist in the universe. Our understanding of space and time is pushed to its limits by the extreme conditions found in these objects. They can be used as natural laboratories to test the behavior of matter in very strong gravitational fields. Blac... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
11763537 | 0805.2058 | 2008-05-14 | Higher representations on the lattice: numerical simulations. SU(2) with adjoint fermions | We discuss the lattice formulation of gauge theories with fermions in arbitrary representations of the color group, and present in detail the implementation of the HMC/RHMC algorithm for simulating dynamical fermions. We discuss the validation of the implementation through an extensive set of tests, and the stability o... | [
"hep-lat"
] | null | [
"target.author.publication_history",
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] | [] | [
{
"author_id": "l debbio_1",
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{
"author_id": "a patella_1",
"name": "Agostino Patella",
"publication_history": null,
"h_index": null,
"num_paper... | null |
1993257 | 0805.2368 | 2008-05-15 | A Kernel Method for the Two-Sample Problem | We propose a framework for analyzing and comparing distributions, allowing us to design statistical tests to determine if two samples are drawn from different distributions. Our test statistic is the largest difference in expectations over functions in the unit ball of a reproducing kernel Hilbert space (RKHS). We pres... | [
"cs.LG",
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] | null | [
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"target.key_reference"
] | [] | [
{
"author_id": "a gretton_1",
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},
{
"author_id": "k borgwardt_1",
"name": "Karsten [\"M.\"] Borgwardt",
"publication_history": null,
"h_index": null,
"num_... | null |
10204254 | 0805.2379 | 2008-05-15 | Linear code-based vector quantization for independent random variables | In this paper we analyze the rate-distortion function R(D) achievable using linear codes over GF(q), where q is a prime number. | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17002881 | 0805.2235 | 2008-05-15 | Conformal Metrics | This paper surveys some selected topics in the theory of conformal metrics and their connections to complex analysis, partial differential equations and conformal differential geometry. | [
"math.CV",
"math.AP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16790489 | 0805.2366 | 2008-05-15 | LSST: from Science Drivers to Reference Design and Anticipated Data Products | (Abridged) We describe here the most ambitious survey currently planned in the optical, the Large Synoptic Survey Telescope (LSST). A vast array of science will be enabled by a single wide-deep-fast sky survey, and LSST will have unique survey capability in the faint time domain. The LSST design is driven by four main ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16579245 | 0805.2256 | 2008-05-15 | Adaptive approximate Bayesian computation | Sequential techniques can enhance the efficiency of the approximate Bayesian computation algorithm, as in Sisson et al.'s (2007) partial rejection control version. While this method is based upon the theoretical works of Del Moral et al. (2006), the application to approximate Bayesian computation results in a bias in t... | [
"stat.CO"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
277565 | 0805.2292 | 2008-05-15 | A nonparametric control chart based on the Mann-Whitney statistic | Nonparametric or distribution-free charts can be useful in statistical process control problems when there is limited or lack of knowledge about the underlying process distribution. In this paper, a phase II Shewhart-type chart is considered for location, based on reference data from phase I analysis and the well-known... | [
"stat.ME"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "s chakraborti_1",
"name": "Subhabrata Chakraborti",
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},
{
"author_id": "m wiel_2",
"name": "Mark [\"A.\",\"van\",\"de\"] Wiel",
"publication_history": null,
"h_index": n... | null |
14043772 | 0805.2399 | 2008-05-15 | XO-5b: A Transiting Jupiter-sized Planet With A Four Day Period | The star XO-5 (GSC 02959-00729, V=12.1, G8V) hosts a Jupiter-sized, Rp=1.15+/-0.12 Rjup, transiting extrasolar planet, XO-5b, with an orbital period of P=4.187732+/-0.00002 days. The planet mass (Mp=1.15+/-0.08 Mjup) and surface gravity (gp=22+/-5 m/s^2) are significantly larger than expected by empirical Mp-P and Mp-P... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
9174799 | 0805.2216 | 2008-05-15 | Density estimation with heteroscedastic error | It is common, in deconvolution problems, to assume that the measurement errors are identically distributed. In many real-life applications, however, this condition is not satisfied and the deconvolution estimators developed for homoscedastic errors become inconsistent. In this paper, we introduce a kernel estimator of ... | [
"math.ST",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
18431631 | 0805.2448 | 2008-05-16 | Frictional Duality Observed during Nanoparticle Sliding | One of the most fundamental questions in tribology concerns the area dependence of friction at the nanoscale. Here, experiments are presented where the frictional resistance of nanoparticles is measured by pushing them with the tip of an atomic force microscope. We find two coexisting frictional states: While some part... | [
"cond-mat.mtrl-sci",
"cond-mat.other"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "d dietzel_1",
"name": "Dirk Dietzel",
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},
{
"author_id": "c ritter_2",
"name": "C. Ritter",
"publication_history": null,
"h_index": null,
"num_papers": null,
"nu... | null |
623460 | 0805.2622 | 2008-05-16 | Stochastic Limit-Average Games are in EXPTIME | The value of a finite-state two-player zero-sum stochastic game with limit-average payoff can be approximated to within $\epsilon$ in time exponential in a polynomial in the size of the game times polynomial in logarithmic in $\frac{1}{\epsilon}$, for all $\epsilon>0$. | [
"cs.GT"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "k chatterjee_3",
"name": "Krishnendu Chatterjee",
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},
{
"author_id": "r majumdar_1",
"name": "Rupak Majumdar",
"publication_history": null,
"h_index": null,
"num_pap... | null |
118469012 | 0805.2507 | 2008-05-16 | Non-Abelian adiabatic statistics and Hall viscosity in quantum Hall states and p_x+ip_y paired superfluids | Many trial wavefunctions for fractional quantum Hall states in a single Landau level are given by functions called conformal blocks, taken from some conformal field theory. Also, wavefunctions for certain paired states of fermions in two dimensions, such as p_x+ip_y states, reduce to such a form at long distances. Here... | [
"cond-mat.mes-hall",
"cond-mat.str-el",
"hep-th"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
3177227 | 0805.2490 | 2008-05-16 | Using statistical smoothing to date medieval manuscripts | We discuss the use of multivariate kernel smoothing methods to date manuscripts dating from the 11th to the 15th centuries, in the English county of Essex. The dataset consists of some 3300 dated and 5000 undated manuscripts, and the former are used as a training sample for imputing dates for the latter. It is assumed ... | [
"stat.AP"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "a feuerverger_1",
"name": "Andrey Feuerverger",
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},
{
"author_id": "p hall_4",
"name": "Peter Hall",
"publication_history": null,
"h_index": null,
"num_papers": null... | null |
18491941 | 0805.2552 | 2008-05-16 | Halo mass - concentration relation from weak lensing | We perform a statistical weak lensing analysis of dark matter profiles around tracers of halo mass from galactic- to cluster-size halos. In this analysis we use 170,640 isolated ~L* galaxies split into ellipticals and spirals, 38,236 groups traced by isolated spectroscopic Luminous Red Galaxies (LRGs) and 13,823 MaxBCG... | [
"astro-ph"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "r mandelbaum_1",
"name": "Rachel Mandelbaum",
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},
{
"author_id": "u seljak_2",
"name": "Uroš Seljak",
"publication_history": null,
"h_index": null,
"num_papers": nul... | null |
15495883 | 0805.2614 | 2008-05-16 | Measurement of the lifetime of the B_c meson in the semileptonic decay channel | Using approximately 1.3 fb-1 of data collected by the D0 detector between 2002 and 2006, we measure the lifetime of the B_c meson in the B_c -> J/psi mu nu X final state. A simultaneous unbinned likelihood fit to the J/\psi+mu invariant mass and lifetime distributions yields a signal of 881 +/- 80 (stat) candidates and... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "v abazov_1",
"name": "Victor [\"Mukhamedovich\"] Abazov",
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},
{
"author_id": "b abbott_2",
"name": "B. Abbott",
"publication_history": null,
"h_index": null,
"num_pa... | null |
17852040 | 0805.2620 | 2008-05-16 | Algorithms for B\"uchi Games | The classical algorithm for solving B\"uchi games requires time $O(n\cdot m)$ for game graphs with $n$ states and $m$ edges. For game graphs with constant outdegree, the best known algorithm has running time $O(n^2/\log n)$. We present two new algorithms for B\"uchi games. First, we give an algorithm that performs at m... | [
"cs.GT",
"cs.LO"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "k chatterjee_3",
"name": "Krishnendu Chatterjee",
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},
{
"author_id": "t henzinger_1",
"name": "Thomas [\"A.\"] Henzinger",
"publication_history": null,
"h_index": null,
... | null |
118445465 | 0805.2484 | 2008-05-16 | Azimuthal dependence of pion source radii in Pb+Au collisions at 158 A GeV | We present results of a two-pion correlation analysis performed with the Au+Pb collision data collected by the upgraded CERES experiment in the fall of 2000. The analysis was done in bins of the reaction centrality and the pion azimuthal emission angle with respect to the reaction plane. The pion source, deduced from t... | [
"nucl-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "d adamová_1",
"name": "D. Adamová",
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},
{
"author_id": "g agakichiev_0",
"name": "G. [\"N.\"] Agakichiev",
"publication_history": null,
"h_index": null,
"num_papers"... | null |
1549501 | 0805.2491 | 2008-05-16 | Search for Higgs bosons decaying to tau pairs in ppbar collisions with the D0 detector | We present a search for the production of neutral Higgs bosons phi decaying into tau+tau- final states in ppbar collisions at a center-of-mass energy of 1.96 TeV. The data, corresponding to an integrated luminosity of approximately 1 fb-1, were collected by the D0 experiment at the Fermilab Tevatron Collider. Limits on... | [
"hep-ex"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "v abazov_1",
"name": "Victor [\"Mukhamedovich\"] Abazov",
"publication_history": null,
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},
{
"author_id": "b abbott_2",
"name": "B. Abbott",
"publication_history": null,
"h_index": null,
"num_pa... | null |
18956018 | 0805.2618 | 2008-05-16 | Convergence of nonlocal threshold dynamics approximations to front propagation | In this note we prove that appropriately scaled threshold dynamics-type algorithms corresponding to the fractional Laplacian of order $\alpha \in (0,2)$ converge to moving fronts. When $\alpha \geqq 1$ the resulting interface moves by weighted mean curvature, while for $\alpha <1$ the normal velocity is nonlocal of ``f... | [
"math.AP"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
8211145 | 0805.2646 | 2008-05-16 | Small Approximate Pareto Sets for Bi-objective Shortest Paths and Other Problems | We investigate the problem of computing a minimum set of solutions that approximates within a specified accuracy $\epsilon$ the Pareto curve of a multiobjective optimization problem. We show that for a broad class of bi-objective problems (containing many important widely studied problems such as shortest paths, spanni... | [
"cs.DS"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "i diakonikolas_1",
"name": "Ilias Diakonikolas",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "m yannakakis_1",
"name": "Mihalis Yannakakis",
"publication_history": null,
"h_index": null,
"nu... | null |
17313787 | 0805.2398 | 2008-05-16 | Missing energy look-alikes with 100 pb-1 at the LHC | A missing energy discovery is possible at the LHC with the first 100 pb-1 of understood data. We present a realistic strategy to rapidly narrow the list of candidate theories at, or close to, the moment of discovery. The strategy is based on robust ratios of inclusive counts of simple physics objects. We study specific... | [
"hep-ph",
"hep-ex"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "3020054",
"num_citations": null
}
] | [
{
"author_id": "j hubisz_1",
"name": "Jay Hubisz",
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},
{
"author_id": "j lykken_1",
"name": "Joseph [\"D.\"] Lykken",
"publication_history": null,
"h_index": null,
"num_papers": nul... | null |
18053359 | 0805.2580 | 2008-05-16 | Nonlinear Femtosecond Pulse Reshaping in Waveguide Arrays | We observe nonlinear pulse reshaping of femtosecond pulses in a waveguide array due to coupling between waveguides. Amplified pulses from a mode-locked fiber laser are coupled to an AlGaAs core waveguide array structure. The observed power-dependent pulse reshaping agrees with theory, including shortening of the pulse ... | [
"nlin.PS"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "d hudson_3",
"name": "D. Hudson",
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{
"author_id": "k shish_0",
"name": "Kimberlee [\"H.\"] Shish",
"publication_history": null,
"h_index": null,
"num_papers": nul... | null |
18001230 | 0805.2540 | 2008-05-16 | Helium Nova on a Very Massive White Dwarf -- A Light Curve Model of V445 Puppis (2000) Revised | V445 Pup (2000) is a unique object identified as a helium nova. Color indexes during the outburst are consistent with those of free-free emission. We present a free-free emission dominated light curve model of V445 Pup on the basis of the optically thick wind theory. Our light curve fitting shows that (1) the white dwa... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118870913 | 0805.2536 | 2008-05-16 | The entropic boundary law in BF theory | We compute the entropy of a closed bounded region of space for pure 3d Riemannian gravity formulated as a topological BF theory for the gauge group SU(2) and show its holographic behavior. More precisely, we consider a fixed graph embedded in space and study the flat connection spin network state without and with parti... | [
"gr-qc",
"quant-ph"
] | null | [
"target.author.publication_history"
] | [
{
"corpus_id": "11199664",
"num_citations": null
},
{
"corpus_id": "26934191",
"num_citations": null
}
] | [
{
"author_id": "e livine_1",
"name": "Etera [\"R.\"] Livine",
"publication_history": null,
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},
{
"author_id": "d terno_1",
"name": "Daniel [\"R.\"] Terno",
"publication_history": null,
"h_index": null,
"num_pap... | null |
260480544 | 0809.4882 | 2008-05-17 | Multi-Armed Bandits in Metric Spaces | In a multi-armed bandit problem, an online algorithm chooses from a set of strategies in a sequence of trials so as to maximize the total payoff of the chosen strategies. While the performance of bandit algorithms with a small finite strategy set is quite well understood, bandit problems with large strategy sets are st... | [
"cs.DS",
"cs.LG"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference",
"target.key_reference"
] | [] | [
{
"author_id": "r kleinberg_1",
"name": "Robert [\"D.\"] Kleinberg",
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"num_citations": null
},
{
"author_id": "a slivkins_2",
"name": "Aleksandrs Slivkins",
"publication_history": null,
"h_index": null,
... | null |
119193263 | 0805.2853 | 2008-05-17 | Multi-photon entanglement and interferometry | Multi-photon interference reveals strictly non-classical phenomena. Its applications range from fundamental tests of quantum mechanics to photonic quantum information processing, where a significant fraction of key experiments achieved so far comes from multi-photon state manipulation. We review the progress, both theo... | [
"quant-ph",
"cond-mat.mes-hall"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
12018222 | 0805.2630 | 2008-05-17 | Sequential Design of Experiments via Linear Programming | The celebrated multi-armed bandit problem in decision theory models the basic trade-off between exploration, or learning about the state of a system, and exploitation, or utilizing the system. In this paper we study the variant of the multi-armed bandit problem where the exploration phase involves costly experiments an... | [
"cs.DS"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "s guha_2",
"name": "Sudipto Guha",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "k munagala_1",
"name": "Kamesh Munagala",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
62833902 | 0805.2636 | 2008-05-18 | Observations of 1999 YC and the Breakup of the Geminid Stream Parent | Apollo asteroid 1999 YC may share a dynamical association with the Phaethon-Geminid stream complex (Ohtsuka et al. 2008). Here, we present photometric observations taken to determine the physical properties of 1999 YC. The object shows a nearly neutral reflection spectrum, similar to but slightly redder than related ob... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
842488 | 0805.2775 | 2008-05-18 | Sample Selection Bias Correction Theory | This paper presents a theoretical analysis of sample selection bias correction. The sample bias correction technique commonly used in machine learning consists of reweighting the cost of an error on each training point of a biased sample to more closely reflect the unbiased distribution. This relies on weights derived ... | [
"cs.LG"
] | null | [
"target.author.publication_history",
"target.author.publication_history.key_reference"
] | [] | [
{
"author_id": "c cortes_1",
"name": "Corinna Cortes",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "m mohri_1",
"name": "Mehryar Mohri",
"publication_history": null,
"h_index": null,
"num_papers": null,
... | null |
938902 | 0805.2741 | 2008-05-18 | Environment-Assisted Quantum Walks in Photosynthetic Energy Transfer | Energy transfer within photosynthetic systems can display quantum effects such as delocalized excitonic transport. Recently, direct evidence of long-lived coherence has been experimentally demonstrated for the dynamics of the Fenna-Matthews-Olson (FMO) protein complex [Engel et al., Nature 446, 782 (2007)]. However, th... | [
"quant-ph",
"physics.bio-ph",
"physics.chem-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "m mohseni_1",
"name": "Masoud Mohseni",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "p rebentrost_1",
"name": "Patrick Rebentrost",
"publication_history": null,
"h_index": null,
"num_papers"... | null |
14355929 | 0805.2976 | 2008-05-19 | Synchronization in complex networks | Synchronization processes in populations of locally interacting elements are in the focus of intense research in physical, biological, chemical, technological and social systems. The many efforts devoted to understand synchronization phenomena in natural systems take now advantage of the recent theory of complex networ... | [
"physics.soc-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
54962200 | 0805.2953 | 2008-05-19 | The Araucaria Project: VLT-spectroscopy of blue massive stars in NGC 55 | This is the first paper of a series devoted to studying the population of blue massive stars in NGC 55, a galaxy of the Sculptor group at a distance of about 2 Mpc. We have obtained optical (3300-6210A) low-resolution spectra of blue massive stars with VLT-FORS2, which we have classified with the aid of Milky Way and M... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
17838966 | 0805.2945 | 2008-05-19 | A comprehensive Maximum Likelihood analysis of the structural properties of faint Milky Way satellites | We derive the structural parameters of the recently discovered very low luminosity Milky Way satellites through a Maximum Likelihood algorithm applied to SDSS data. For each satellite, even when only a few tens of stars are available down to the SDSS flux limit, the algorithm yields robust estimates and errors for the ... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
118462654 | 0805.2798 | 2008-05-19 | Cooper pair turbulence in atomic Fermi gases | We investigate the stability of spatially uniform solutions for the collisionless dynamics of a fermionic superfluid. We demonstrate that, if the system size is larger than the superfluid coherence length, the solution characterized by a periodic in time order parameter is unstable with respect to spatial fluctuations.... | [
"cond-mat.supr-con",
"cond-mat.other"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
1585615 | 0805.2891 | 2008-05-19 | Learning Low-Density Separators | We define a novel, basic, unsupervised learning problem - learning the lowest density homogeneous hyperplane separator of an unknown probability distribution. This task is relevant to several problems in machine learning, such as semi-supervised learning and clustering stability. We investigate the question of existenc... | [
"cs.LG",
"cs.AI"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
16918395 | 0805.2962 | 2008-05-19 | A comprehensive comparison of the Sun to other stars: searching for self-selection effects | If the origin of life and the evolution of observers on a planet is favoured by atypical properties of a planet's host star, we would expect our Sun to be atypical with respect to such properties. The Sun has been described by previous studies as both typical and atypical. In an effort to reduce this ambiguity and quan... | [
"astro-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
7320680 | 0805.3170 | 2008-05-20 | The magnetized steel and scintillator calorimeters of the MINOS experiment | The Main Injector Neutrino Oscillation Search (MINOS) experiment uses an accelerator-produced neutrino beam to perform precision measurements of the neutrino oscillation parameters in the "atmospheric neutrino" sector associated with muon neutrino disappearance. This long-baseline experiment measures neutrino interacti... | [
"physics.ins-det"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
3093776 | 0805.2995 | 2008-05-20 | Lossless Compression with Security Constraints | Secure distributed data compression in the presence of an eavesdropper is explored. Two correlated sources that need to be reliably transmitted to a legitimate receiver are available at separate encoders. Noise-free, limited rate links from the encoders to the legitimate receiver, one of which can also be perfectly obs... | [
"cs.IT",
"math.IT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "d gündüz_1",
"name": "Deniz Gündüz",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "e erkip_1",
"name": "Elza Erkip",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num... | null |
14600008 | 0805.3100 | 2008-05-20 | Recent progress on NNPDF for LHC | We present recent results of the NNPDF collaboration on a full DIS analysis of Parton Distribution Functions (PDFs). Our method is based on the idea of combining a Monte Carlo sampling of the probability measure in the space of PDFs with the use of neural networks as unbiased universal interpolating functions. The gene... | [
"hep-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "n ubiali_0",
"name": "Nnpdf [\"Collaboration\",\"M.\"] Ubiali",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "r ball_1",
"name": "Richard [\"D.\"] Ball",
"publication_history": null,
"h_index": n... | null |
119192995 | 0805.2989 | 2008-05-20 | Resolving The ISM Surrounding GRBs with Afterglow Spectroscopy | We review current research related to spectroscopy of gamma-ray burst (GRB) afterglows with particular emphasis on the interstellar medium (ISM) of the galaxies hosting these high redshift events. These studies reveal the physical conditions of star-forming galaxies and yield clues to the nature of the GRB progenitor. ... | [
"astro-ph"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "j prochaska_1",
"name": "Jason [\"Xavier\"] Prochaska",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "h chen_129",
"name": "Hsiao-Wen Chen",
"publication_history": null,
"h_index": null,
"num... | null |
262439538 | 0805.3067 | 2008-05-20 | Single-top hadroproduction in association with a W boson | We present the calculation of the Wt single-top production channel to next-to-leading order in QCD, interfaced with parton showers within the MC@NLO formalism. This channel provides a complementary way of investigating the properties of the Wtb vertex, with respect to the s- and t-channels. We pay special attention to ... | [
"hep-ph"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
115167601 | 0805.3030 | 2008-05-20 | A-infinity monads and completion | Given an operad A of topological spaces, we consider A-monads in a topological category C . When A is an A-infinity-operad, any A-monad K : C -> C can be thought of as a monad up to coherent homotopies. We define the completion functor with respect to an A-infinity-monad and prove that it is an A-infinity-monad itself. | [
"math.AT",
"math.CT"
] | null | [
"target.author.publication_history"
] | [] | [
{
"author_id": "t bauer_2",
"name": "Tilman Bauer",
"publication_history": null,
"h_index": null,
"num_papers": null,
"num_citations": null
},
{
"author_id": "a libman_1",
"name": "Assaf Libman",
"publication_history": null,
"h_index": null,
"num_papers": null,
"n... | null |
7185721 | 0805.3091 | 2008-05-20 | A simple randomized algorithm for sequential prediction of ergodic time series | We present a simple randomized procedure for the prediction of a binary sequence. The algorithm uses ideas from recent developments of the theory of the prediction of individual sequences. We show that if the sequence is a realization of a stationary and ergodic random process then the average number of mistakes conver... | [
"math.ST",
"cs.IT",
"math.IT",
"stat.TH"
] | null | [
"target.author.publication_history.key_reference"
] | null | null | null |
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