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118615358
1001.0510
2010-01-04
Interplay among helical order, surface effects and range of interacting layers in ultrathin films
The properties of helical thin films have been thoroughly investigated by classical Monte Carlo simulations. The employed model assumes classical planar spins in a body-centered tetragonal lattice, where the helical arrangement along the film growth direction has been modeled by nearest neighbor and next-nearest neighb...
[ "cond-mat.stat-mech", "cond-mat.mtrl-sci" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "f cinti_1", "name": "Fabio Cinti", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "a rettori_1", "name": "Angelo Rettori", "publication_history": null, "h_index": null, "num_papers": null, ...
null
263789949
1001.0165
2010-01-04
Search for gravitational-wave inspiral signals associated with short Gamma-Ray Bursts during LIGO's fifth and Virgo's first science run
Progenitor scenarios for short gamma-ray bursts (short GRBs) include coalescenses of two neutron stars or a neutron star and black hole, which would necessarily be accompanied by the emission of strong gravitational waves. We present a search for these known gravitational-wave signatures in temporal and directional coi...
[ "astro-ph.HE" ]
null
[ "target.author.publication_history" ]
[ { "corpus_id": "263789952", "num_citations": null }, { "corpus_id": "8055117", "num_citations": null }, { "corpus_id": "15210107", "num_citations": null }, { "corpus_id": "16629851", "num_citations": null } ]
[ { "author_id": "t collaboration_1", "name": "The [\"Ligo\",\"Scientific\"] Collaboration", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "t abadie_1", "name": "the [\"Virgo\",\"Collaboration\",\"J.\"] Abadie", "publi...
null
12663905
1001.0499
2010-01-04
Implementation strategies for hyperspectral unmixing using Bayesian source separation
Bayesian Positive Source Separation (BPSS) is a useful unsupervised approach for hyperspectral data unmixing, where numerical non-negativity of spectra and abundances has to be ensured, such in remote sensing. Moreover, it is sensible to impose a sum-to-one (full additivity) constraint to the estimated source abundance...
[ "astro-ph.EP", "astro-ph.IM" ]
null
[ "target.author.publication_history" ]
[ { "corpus_id": "2669847", "num_citations": null } ]
[ { "author_id": "f schmidt_6", "name": "Frédéric Schmidt", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "a schmidt_15", "name": "Albrecht Schmidt", "publication_history": null, "h_index": null, "num_papers": ...
null
119289852
1001.0061
2010-01-04
Euclid Imaging Consortium Science Book
The energy density of the Universe is dominated by dark energy and dark matter, two mysterious components which pose some of the most important questions in fundamental science today. Euclid is a high-precision survey mission designed to answer these questions by mapping the geometry of the dark Universe. Euclid's Visi...
[ "astro-ph.IM", "astro-ph.CO" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
119115466
1001.0524
2010-01-04
Large Magnetic Susceptibility Anisotropy of Metallic Carbon Nanotubes
Through magnetic linear dichroism spectroscopy, the magnetic susceptibility anisotropy of metallic single-walled carbon nanotubes has been extracted and found to be 2-4 times greater than values for semiconducting single-walled carbon nanotubes. This large anisotropy is consistent with our calculations and can be under...
[ "cond-mat.mes-hall", "cond-mat.mtrl-sci" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "t searles_1", "name": "Thomas [\"A.\"] Searles", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "y imanaka_0", "name": "Yasutaka Imanaka", "publication_history": null, "h_index": null, "num_pap...
null
6828830
1001.0492
2010-01-04
The spectrum of kernel random matrices
We place ourselves in the setting of high-dimensional statistical inference where the number of variables $p$ in a dataset of interest is of the same order of magnitude as the number of observations $n$. We consider the spectrum of certain kernel random matrices, in particular $n\times n$ matrices whose $(i,j)$th entry...
[ "math.ST", "stat.TH" ]
null
[ "target.author.publication_history.key_reference", "target.key_reference" ]
null
null
null
13181333
1001.0416
2010-01-04
Discovery and Rossiter-McLaughlin Effect of Exoplanet Kepler-8b
We report the discovery and the Rossiter-McLaughlin effect of Kepler-8b, a transiting planet identified by the NASA Kepler Mission. Kepler photometry and Keck-HIRES radial velocities yield the radius and mass of the planet around this F8IV subgiant host star. The planet has a radius RP = 1.419 RJ and a mass, MP = 0.60 ...
[ "astro-ph.EP" ]
null
[ "target.author.publication_history", "target.author.publication_history.key_reference" ]
[ { "corpus_id": "119267981", "num_citations": null }, { "corpus_id": "330965", "num_citations": null }, { "corpus_id": "119213717", "num_citations": null }, { "corpus_id": "53606524", "num_citations": null }, { "corpus_id": "2017875", "num_citations": null },...
[ { "author_id": "j jenkins_1", "name": "Jon [\"M.\"] Jenkins", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "w borucki_1", "name": "William [\"J.\"] Borucki", "publication_history": null, "h_index": null, "nu...
null
1491347
1001.0340
2010-01-04
Computing the Least Fixed Point of Positive Polynomial Systems
We consider equation systems of the form X_1 = f_1(X_1, ..., X_n), ..., X_n = f_n(X_1, ..., X_n) where f_1, ..., f_n are polynomials with positive real coefficients. In vector form we denote such an equation system by X = f(X) and call f a system of positive polynomials, short SPP. Equation systems of this kind appear ...
[ "cs.NA", "cs.DS" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
55087024
1001.0466
2010-01-04
Parabolic sheaves on logarithmic schemes
We show how the natural context for the definition of parabolic sheaves on a scheme is that of logarithmic geometry. The key point is a reformulation of the concept of logarithmic structure in the language of symmetric monoidal categories, which might be of independent interest. Our main result states that parabolic sh...
[ "math.AG", "math.NT" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
18237602
1001.0627
2010-01-05
The Labor Economics of Paid Crowdsourcing
Crowdsourcing is a form of "peer production" in which work traditionally performed by an employee is outsourced to an "undefined, generally large group of people in the form of an open call." We present a model of workers supplying labor to paid crowdsourcing projects. We also introduce a novel method for estimating a ...
[ "cs.HC", "cs.CY" ]
null
[ "target.author.publication_history", "target.author.publication_history.key_reference" ]
[]
[ { "author_id": "j horton_2", "name": "John [\"Joseph\"] Horton", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "l chilton_1", "name": "Lydia [\"B.\"] Chilton", "publication_history": null, "h_index": null, "n...
null
168941
1001.0572
2010-01-05
Frequency of Solar-Like Systems and of Ice and Gas Giants Beyond the Snow Line from High-Magnification Microlensing Events in 2005-2008
We present the first measurement of planet frequency beyond the "snow line" for planet/star mass-ratios[-4.5<log q<-2]: d^2 N/dlog q/dlog s=(0.36+-0.15)/dex^2 at mean mass ratio q=5e-4, and consistent with being flat in log projected separation, s. Our result is based on a sample of 6 planets detected from intensive fo...
[ "astro-ph.EP" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
14601089
1001.0736
2010-01-05
A note on the group lasso and a sparse group lasso
We consider the group lasso penalty for the linear model. We note that the standard algorithm for solving the problem assumes that the model matrices in each group are orthonormal. Here we consider a more general penalty that blends the lasso (L1) with the group lasso ("two-norm"). This penalty yields solutions that ar...
[ "math.ST", "stat.TH" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
118425873
1001.0788
2010-01-05
The EPR correlation in Kerr-Newman spacetime
The EPR correlation has become an integral part of quantum communications as has general relativity in classical communication theory, however when combined an apparent deterioration is observed for spin states. We consider appropriate changes in directions of measurement to exploit full EPR entanglement for a pair of ...
[ "quant-ph" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "j said_1", "name": "Jackson [\"Levi\"] Said", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "k adami_1", "name": "Kristian [\"Zarb\"] Adami", "publication_history": null, "h_index": null, "num...
null
119289431
1001.0741
2010-01-05
Slow Cooling of an Ising Ferromagnet
A ferromagnetic Ising chain which is endowed with a single-spin-flip Glauber dynamics is investigated. For an arbitrary annealing protocol, we derive an exact integral equation for the domain wall density. This integral equation admits an asymptotic solution in the limit of extremely slow cooling. For instance, we extr...
[ "cond-mat.stat-mech", "cond-mat.dis-nn" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
33080314
1001.0782
2010-01-05
A Streamwise Constant Model of Turbulence in Plane Couette Flow
Streamwise and quasi-streamwise elongated structures have been shown to play a significant role in turbulent shear flows. We model the mean behavior of fully turbulent plane Couette flow using a streamwise constant projection of the Navier Stokes equations. This results in a two-dimensional, three velocity component ($...
[ "physics.flu-dyn" ]
null
[ "target.author.publication_history" ]
[ { "corpus_id": "10828448", "num_citations": null } ]
[ { "author_id": "d gayme_1", "name": "Dennice [\"F.\"] Gayme", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "b mckeon_1", "name": "Beverley [\"J.\"] McKeon", "publication_history": null, "h_index": null, "num...
null
14482247
1001.0609
2010-01-05
The evolution of the cover time
The cover time of a graph is a celebrated example of a parameter that is easy to approximate using a randomized algorithm, but for which no constant factor deterministic polynomial time approximation is known. A breakthrough due to Kahn, Kim, Lovasz and Vu yielded a (log log n)^2 polynomial time approximation. We refin...
[ "math.PR" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
6316897
1001.0717
2010-01-05
Almost local metrics on shape space of hypersurfaces in n-space
This paper extends parts of the results from [P.W.Michor and D. Mumford, \emph{Appl. Comput. Harmon. Anal.,} 23 (2007), pp. 74--113] for plane curves to the case of hypersurfaces in $\mathbb R^n$. Let $M$ be a compact connected oriented $n-1$ dimensional manifold without boundary like the sphere or the torus. Then shap...
[ "math.DG" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
122888788
1001.0839
2010-01-06
Negative effective mass below a cut-off frequency
Negative mass phenomena occurring below a cut-off frequency is examined by both theoretical and experimental methods. The paper begins with the investigation on a mass-spring structure, the effective mass of which is shown to be negative below a specific frequency. Due to the decaying nature of lattice waves in the neg...
[ "physics.class-ph" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "s yao_42", "name": "Shanshan Yao", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "x zhou_55", "name": "Xiaoming Zhou", "publication_history": null, "h_index": null, "num_papers": null, "nu...
null
119245754
1001.0964
2010-01-06
Spectral singularities in a non-Hermitian Friedrichs-Fano-Anderson model
Spectral singularities are predicted to occur in a non-Hermitian extension of the Friedrichs-Fano-Anderson model describing the decay of a discrete state $|a >$ coupled to a continuum of modes. A physical realization of the model, based on electronic or photonic transport in a semi-infinite tight-binding lattice with a...
[ "quant-ph" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
425376
1001.1013
2010-01-06
Distributed Rate Allocation Policies for Multi-Homed Video Streaming over Heterogeneous Access Networks
We consider the problem of rate allocation among multiple simultaneous video streams sharing multiple heterogeneous access networks. We develop and evaluate an analytical framework for optimal rate allocation based on observed available bit rate (ABR) and round-trip time (RTT) over each access network and video distort...
[ "cs.MM", "cs.NI" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "x zhu_149", "name": "Xiaoqing Zhu", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "p agrawal_9", "name": "Piyush Agrawal", "publication_history": null, "h_index": null, "num_papers": null, ...
null
40942027
1001.0978
2010-01-06
The Mass Distributions of Starless and Protostellar Cores in Gould Belt Clouds
Using data from the SCUBA Legacy Catalogue (850 um) and Spitzer Space Telescope (3.6 - 70 um), we explore dense cores in the Ophiuchus, Taurus, Perseus, Serpens, and Orion molecular clouds. We develop a new method to discriminate submillimeter cores found by SCUBA as starless or protostellar, using point source photome...
[ "astro-ph.GA" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
115174997
1001.0897
2010-01-06
Linnik's ergodic method and the distribution of integer points on spheres
We discuss Linnik's work on the distribution of integral solutions to $x^2+y^2+z^2 =d$, as $d$ goes to infinity. We give an exposition of Linnik's ergodic method; indeed, by using large-deviation results for random walks on expander graphs, we establish a refinement of his equidistribution theorem. We discuss the conne...
[ "math.NT", "math.DS" ]
null
[ "target.author.publication_history" ]
[ { "corpus_id": "832133", "num_citations": null } ]
[ { "author_id": "j ellenberg_2", "name": "Jordan [\"S.\"] Ellenberg", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "p michel_4", "name": "Philippe Michel", "publication_history": null, "h_index": null, "num_p...
null
118425143
1001.0913
2010-01-06
Discovery of the Transiting Planet Kepler-5b
We present 44 days of high duty cycle, ultra precise photometry of the 13th magnitude star Kepler-5 (KIC 8191672, Teff=6300 K, logg=4.1), which exhibits periodic transits with a depth of 0.7%. Detailed modeling of the transit is consistent with a planetary companion with an orbital period of 3.548460+/-0.000032 days an...
[ "astro-ph.EP" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
652133
1001.0920
2010-01-06
Online Correlation Clustering
We study the online clustering problem where data items arrive in an online fashion. The algorithm maintains a clustering of data items into similarity classes. Upon arrival of v, the relation between v and previously arrived items is revealed, so that for each u we are told whether v is similar to u. The algorithm can...
[ "cs.DS" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
55167080
1001.1006
2010-01-06
Unfrustrated Qudit Chains and their Ground States
We investigate chains of 'd' dimensional quantum spins (qudits) on a line with generic nearest neighbor interactions without translational invariance. We find the conditions under which these systems are not frustrated, i.e. when the ground states are also the common ground states of all the local terms in the Hamilton...
[ "quant-ph", "cond-mat.stat-mech", "math-ph", "math.MP" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "r movassagh_1", "name": "Ramis Movassagh", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "e farhi_1", "name": "Edward Farhi", "publication_history": null, "h_index": null, "num_papers": null, ...
null
73599938
1001.0976
2010-01-06
The Nature of the Atmosphere of the Transiting Super-Earth GJ 1214b
The newly discovered planet GJ 1214b is the first known transiting super-Earth requiring a significant atmosphere to explain its observed mass and radius. Models for the structure of this planet predict that it likely possesses a H-He envelope of at least 0.05% of the total mass of the planet. However, models without a...
[ "astro-ph.EP" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
2671553
1001.0887
2010-01-06
Stable Feature Selection for Biomarker Discovery
Feature selection techniques have been used as the workhorse in biomarker discovery applications for a long time. Surprisingly, the stability of feature selection with respect to sampling variations has long been under-considered. It is only until recently that this issue has received more and more attention. In this a...
[ "cs.CE", "q-bio.QM" ]
null
[ "target.author.publication_history.key_reference", "target.key_reference" ]
null
null
null
59367953
1001.0856
2010-01-06
Stochastic integrals for spde's: a comparison
We present the Walsh theory of stochastic integrals with respect to martingale measures, alongside of the Da Prato and Zabczyk theory of stochastic integrals with respect to Hilbert-space-valued Wiener processes and some other approaches to stochastic integration, and we explore the links between these theories. We the...
[ "math.PR" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
55000142
1001.0792
2010-01-06
PSR J1907+0602: A Radio-Faint Gamma-Ray Pulsar Powering a Bright TeV Pulsar Wind Nebula
We present multiwavelength studies of the 106.6 ms gamma-ray pulsar PSR J1907+06 near the TeV source MGRO J1908+06. Timing observations with Fermi result in a precise position determination for the pulsar of R.A. = 19h07m547(2), decl. = +06:02:16(2) placing the pulsar firmly within the TeV source extent, suggesting the...
[ "astro-ph.HE" ]
null
[ "target.author.publication_history" ]
[ { "corpus_id": "10228256", "num_citations": null }, { "corpus_id": "16022906", "num_citations": null }, { "corpus_id": "8911521", "num_citations": null }, { "corpus_id": "26361978", "num_citations": null }, { "corpus_id": "117017389", "num_citations": null }...
[ { "author_id": "a abdo_2", "name": "A. [\"A.\"] Abdo", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "m ackermann_1", "name": "Markus Ackermann", "publication_history": null, "h_index": null, "num_papers": nu...
null
17466274
1001.1027
2010-01-06
An Unsupervised Algorithm For Learning Lie Group Transformations
We present several theoretical contributions which allow Lie groups to be fit to high dimensional datasets. Transformation operators are represented in their eigen-basis, reducing the computational complexity of parameter estimation to that of training a linear transformation model. A transformation specific "blurring"...
[ "cs.CV", "cs.LG" ]
null
[ "target.author.publication_history", "target.author.publication_history.key_reference" ]
[]
[ { "author_id": "j sohl-dickstein_1", "name": "Jascha [\"Narain\"] Sohl-Dickstein", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "j wang_121", "name": "Jimmy [\"C.\"] Wang", "publication_history": null, "h_index"...
null
9158927
1001.0960
2010-01-06
Universal Scheduling for Networks with Arbitrary Traffic, Channels, and Mobility
We extend stochastic network optimization theory to treat networks with arbitrary sample paths for arrivals, channels, and mobility. The network can experience unexpected link or node failures, traffic bursts, and topology changes, and there are no probabilistic assumptions describing these time varying events. Perform...
[ "math.OC", "math.DS" ]
null
[ "target.author.publication_history.key_reference", "target.key_reference" ]
null
null
null
773631
1001.0977
2010-01-06
Measurement of the copy number of the master quorum-sensing regulator of a bacterial cell
Quorum sensing is the mechanism by which bacteria communicate and synchronize group behaviors. Quantitative information on parameters such as the copy number of particular quorum-sensing proteins should contribute strongly to understanding how the quorum-sensing network functions. Here we show that the copy number of t...
[ "q-bio.QM", "q-bio.BM" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "s teng_7", "name": "Shu-wen Teng", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "y wang_322", "name": "Yufang Wang", "publication_history": null, "h_index": null, "num_papers": null, "num...
null
8789103
1001.1078
2010-01-07
Stability of multidimensional persistent homology with respect to domain perturbations
Motivated by the problem of dealing with incomplete or imprecise acquisition of data in computer vision and computer graphics, we extend results concerning the stability of persistent homology with respect to function perturbations to results concerning the stability with respect to domain perturbations. Domain perturb...
[ "math.AT", "cs.CG", "cs.IT", "math.IT" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "p frosini_1", "name": "Patrizio Frosini", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "c landi_1", "name": "Claudia Landi", "publication_history": null, "h_index": null, "num_papers": null, ...
null
4336232
1001.1156
2010-01-07
Supernova 2007bi as a pair-instability explosion
Stars with initial masses 10 M_{solar} < M_{initial} < 100 M_{solar} fuse progressively heavier elements in their centres, up to inert iron. The core then gravitationally collapses to a neutron star or a black hole, leading to an explosion -- an iron-core-collapse supernova (SN). In contrast, extremely massive stars (M...
[ "astro-ph.CO" ]
null
[ "target.author.publication_history", "target.author.publication_history.key_reference" ]
[ { "corpus_id": "17749508", "num_citations": null } ]
[ { "author_id": "a gal-yam_1", "name": "Avishay Gal-yam", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "p mazzali_1", "name": "Paolo [\"A.\"] Mazzali", "publication_history": null, "h_index": null, "num_paper...
null
7815729
1001.1185
2010-01-07
Some Architectures for Chebyshev Interpolation
Digital architectures for Chebyshev interpolation are explored and a variation which is word-serial in nature is proposed. These architectures are contrasted with equispaced system structures. Further, Chebyshev interpolation scheme is compared to the conventional equispaced interpolation vis-a-vis reconstruction error...
[ "cs.NA" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "t tulabandhula_1", "name": "Theja Tulabandhula", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null } ]
null
62656140
1001.1049
2010-01-07
Numerical studies of the metamodel fitting and validation processes
Complex computer codes, for instance simulating physical phenomena, are often too time expensive to be directly used to perform uncertainty, sensitivity, optimization and robustness analyses. A widely accepted method to circumvent this problem consists in replacing cpu time expensive computer models by cpu inexpensive ...
[ "math.NA", "math.ST", "stat.AP", "stat.CO", "stat.TH" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
2170982
1001.1122
2010-01-07
Principal manifolds and graphs in practice: from molecular biology to dynamical systems
We present several applications of non-linear data modeling, using principal manifolds and principal graphs constructed using the metaphor of elasticity (elastic principal graph approach). These approaches are generalizations of the Kohonen's self-organizing maps, a class of artificial neural networks. On several examp...
[ "cs.NE", "cs.AI" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
119310795
1001.1069
2010-01-07
A model for the cosmological evolution of low frequency radio sources
We present a new evolutionary model that describes the population properties of radio sources at frequencies <5 GHz, thus complementing the De Zotti et al. (2005) model, holding at higher frequencies. We find that simple analytic luminosity evolution is still sufficient to fit the wealth of available data on local lumi...
[ "astro-ph.CO" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
109963128
1001.1164
2010-01-07
Phase change memory technology
We survey the current state of phase change memory (PCM), a non-volatile solid-state memory technology built around the large electrical contrast between the highly-resistive amorphous and highly-conductive crystalline states in so-called phase change materials. PCM technology has made rapid progress in a short time, h...
[ "cond-mat.mtrl-sci" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
56134590
1001.1375
2010-01-08
Lower central series of free algebras in symmetric tensor categories
We continue the study of the lower central series of a free associative algebra, initiated by B. Feigin and B. Shoikhet (arXiv:math/0610410). We generalize via Schur functors the constructions of the lower central series to any symmetric tensor category; specifically we compute the modified first quotient \bar{B}_1, an...
[ "math.RA", "math.QA", "math.RT" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
1939336
1001.1231
2010-01-08
New Constructive Aspects of the Lovasz Local Lemma
The Lov\'{a}sz Local Lemma (LLL) states that the probability that none of a set of "bad" events happens is nonzero if the probability of each event is small compared to the number of bad events it depends on. A series of results have provided algorithms to efficiently construct structures whose existence is (non-constr...
[ "cs.DS", "cs.DM" ]
null
[ "target.author.publication_history", "target.author.publication_history.key_reference" ]
[ { "corpus_id": "2813462", "num_citations": null }, { "corpus_id": "165160", "num_citations": null } ]
[ { "author_id": "b haeupler_1", "name": "Bernhard Haeupler", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "b saha_1", "name": "Barna Saha", "publication_history": null, "h_index": null, "num_papers": null, ...
null
12798446
1001.1269
2010-01-08
Optimal topological simplification of discrete functions on surfaces
We solve the problem of minimizing the number of critical points among all functions on a surface within a prescribed distance {\delta} from a given input function. The result is achieved by establishing a connection between discrete Morse theory and persistent homology. Our method completely removes homological noise ...
[ "cs.CG", "math.CO", "math.GT" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
16080331
1001.1240
2010-01-08
Multicritical Points and Crossover Mediating the Strong Violation of Universality: Wang-Landau Determinations in the Random-Bond $d=2$ Blume-Capel model
The effects of bond randomness on the phase diagram and critical behavior of the square lattice ferromagnetic Blume-Capel model are discussed. The system is studied in both the pure and disordered versions by the same efficient two-stage Wang-Landau method for many values of the crystal field, restricted here in the se...
[ "cond-mat.stat-mech", "cond-mat.dis-nn" ]
null
[ "target.key_reference" ]
null
null
null
8880225
1001.1221
2010-01-08
Boosting k-NN for categorization of natural scenes
The k-nearest neighbors (k-NN) classification rule has proven extremely successful in countless many computer vision applications. For example, image categorization often relies on uniform voting among the nearest prototypes in the space of descriptors. In spite of its good properties, the classic k-NN rule suffers fro...
[ "cs.CV" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "r nock_1", "name": "Richard Nock", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "p piro_1", "name": "Paolo Piro", "publication_history": null, "h_index": null, "num_papers": null, "num_ci...
null
118744180
1001.1229
2010-01-08
Experimental Sensitivity for Majorana Neutrinos Produced via a Z Boson at Hadron Colliders
We present experimental sensitivity for the production of a fourth-generation Majorana neutrino ($N$) via an s-channel $Z$ boson $Z\to NN \to W\ell W\ell$ at hadron colliders. This channel has not been studied for the Tevatron dataset with $\int \mathcal{L}=5 $ fb$^{-1}$, where we find that a single experiment could si...
[ "hep-ph" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "a rajaraman_2", "name": "Arvind Rajaraman", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "d whiteson_1", "name": "Daniel Whiteson", "publication_history": null, "h_index": null, "num_papers":...
null
88518155
1001.1323
2010-01-08
Spectral clustering based on local linear approximations
In the context of clustering, we assume a generative model where each cluster is the result of sampling points in the neighborhood of an embedded smooth surface; the sample may be contaminated with outliers, which are modeled as points sampled in space away from the clusters. We consider a prototype for a higher-order ...
[ "stat.ML", "math.ST", "stat.TH" ]
null
[ "target.author.publication_history", "target.author.publication_history.key_reference" ]
[ { "corpus_id": "9208024", "num_citations": null }, { "corpus_id": "14818658", "num_citations": null } ]
[ { "author_id": "e arias-castro_1", "name": "Ery Arias-Castro", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "g chen_68", "name": "Guangliang Chen", "publication_history": null, "h_index": null, "num_papers":...
null
15656776
1001.1414
2010-01-09
Multi-Armed Bandit Mechanisms for Multi-Slot Sponsored Search Auctions
In pay-per click sponsored search auctions which are currently extensively used by search engines, the auction for a keyword involves a certain number of advertisers (say k) competing for available slots (say m) to display their ads. This auction is typically conducted for a number of rounds (say T). There are click pr...
[ "cs.GT" ]
null
[ "target.author.publication_history" ]
[ { "corpus_id": "13262745", "num_citations": null } ]
[ { "author_id": "a das sarma_0", "name": "Akash Das Sarma", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "s gujar_1", "name": "Sujit Gujar", "publication_history": null, "h_index": null, "num_papers": null, ...
null
2638047
1001.1470
2010-01-09
A New Approximation Technique for Resource-Allocation Problems
We develop a rounding method based on random walks in polytopes, which leads to improved approximation algorithms and integrality gaps for several assignment problems that arise in resource allocation and scheduling. In particular, it generalizes the work of Shmoys and Tardos on the generalized assignment problem to th...
[ "cs.DS", "cs.DC" ]
null
[ "target.author.publication_history" ]
[ { "corpus_id": "15292228", "num_citations": null } ]
[ { "author_id": "b saha_1", "name": "Barna Saha", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "a srinivasan_9", "name": "Aravind Srinivasan", "publication_history": null, "h_index": null, "num_papers": null,...
null
112281
1001.1445
2010-01-09
Graph-Constrained Group Testing
Non-adaptive group testing involves grouping arbitrary subsets of $n$ items into different pools. Each pool is then tested and defective items are identified. A fundamental question involves minimizing the number of pools required to identify at most $d$ defective items. Motivated by applications in network tomography,...
[ "cs.DM", "cs.IT", "math.IT" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
1964437
1001.1478
2010-01-09
Ergodic and Outage Performance of Fading Broadcast Channels with 1-Bit Feedback
In this paper, the ergodic sum-rate and outage probability of a downlink single-antenna channel with K users are analyzed in the presence of Rayleigh flat fading, where limited channel state information (CSI) feedback is assumed. Specifically, only 1-bit feedback per fading block per user is available at the base stati...
[ "cs.IT", "math.IT" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "b niu_7", "name": "Bo Niu", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "o simeone_1", "name": "Osvaldo Simeone", "publication_history": null, "h_index": null, "num_papers": null, "num_c...
null
913888
1001.1408
2010-01-09
Discrete Hamiltonian Variational Integrators
We consider the continuous and discrete-time Hamilton's variational principle on phase space, and characterize the exact discrete Hamiltonian which provides an exact correspondence between discrete and continuous Hamiltonian mechanics. The variational characterization of the exact discrete Hamiltonian naturally leads t...
[ "math.NA" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
8413128
1001.1401
2010-01-09
Incorporating characteristics of human creativity into an evolutionary art algorithm
A perceived limitation of evolutionary art and design algorithms is that they rely on human intervention; the artist selects the most aesthetically pleasing variants of one generation to produce the next. This paper discusses how computer generated art and design can become more creatively human-like with respect to bo...
[ "cs.AI", "cs.NE", "q-bio.NC" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
118473271
1001.1419
2010-01-09
Fermi-LAT discovery of GeV gamma-ray emission from the young supernova remnant Cassiopeia A
We report on the first detection of GeV high-energy gamma-ray emission from a young supernova remnant with the Large Area Telescope aboard the Fermi Gamma-ray Space Telescope. These observations reveal a source with no discernible spatial extension detected at a significance level of 12.2$\sigma$ above 500 MeV at a loc...
[ "astro-ph.HE" ]
null
[ "target.author.publication_history", "target.author.publication_history.key_reference" ]
[ { "corpus_id": "16394781", "num_citations": null }, { "corpus_id": "18391356", "num_citations": null }, { "corpus_id": "15862884", "num_citations": null }, { "corpus_id": "15917065", "num_citations": null }, { "corpus_id": "14548228", "num_citations": null }...
[ { "author_id": "a abdo_2", "name": "A. [\"A.\"] Abdo", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "a abdo_2", "name": "A. [\"A.\"] Abdo", "publication_history": null, "h_index": null, "num_papers": null, ...
null
220858164
1001.1557
2010-01-10
Forest Density Estimation
We study graph estimation and density estimation in high dimensions, using a family of density estimators based on forest structured undirected graphical models. For density estimation, we do not assume the true distribution corresponds to a forest; rather, we form kernel density estimates of the bivariate and univaria...
[ "stat.ML" ]
null
[ "target.author.publication_history", "target.author.publication_history.key_reference" ]
[ { "corpus_id": "8269817", "num_citations": null } ]
[ { "author_id": "h liu_216", "name": "Han Liu", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "m xu_81", "name": "Min Xu", "publication_history": null, "h_index": null, "num_papers": null, "num_citations":...
null
17052693
1001.1503
2010-01-10
Performance of centroiding algorithms at low light level conditions in adaptive optics
The performance metrics of different centroiding algorithms at low light level conditions were optimized in the case of a Shack Hartmann Sensor (SHS) for efficient performance of the adaptive optics system. For short exposures and low photon flux, the Hartmann spot does not have a Gaussian shape due to the photon noise...
[ "astro-ph.IM" ]
null
[ "target.key_reference" ]
null
null
null
10650073
1001.1482
2010-01-10
Performance of Optimum Combining in a Poisson Field of Interferers and Rayleigh Fading Channels
This paper studies the performance of antenna array processing in distributed multiple access networks without power control. The interference is represented as a Poisson point process. Desired and interfering signals are subject to both path-loss fading (with an exponent greater than 2) and to independent Rayleigh fad...
[ "cs.IT", "math.IT" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
118609093
1001.1479
2010-01-10
Thermodynamics and dynamics of systems with long-range interactions
Thermodynamic and dynamical properties of systems with long-range pairwise interactions (LRI), which decay as $1/r^{d+\sigma}$ at large distances $r$ in $d$ dimensions, are reviewed. Two broad classes of such systems are discussed. (i) Systems with a slow decay of the interactions, termed "strong" LRI, where the energy...
[ "cond-mat.stat-mech" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
15096003
1001.1517
2010-01-10
Definability and stability of multiscale decompositions for manifold-valued data
We discuss multiscale representations of discrete manifold-valued data. As it turns out that we cannot expect general manifold-analogues of biorthogonal wavelets to possess perfect reconstruction, we focus our attention on those constructions which are based on upscaling operators which are either interpolating or midp...
[ "math.DG", "math.FA" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
15783261
1001.1516
2010-01-10
Continuous Shearlet Tight Frames
Based on the shearlet transform we present a general construction of continuous tight frames for $L^2(\mathbb{R}^2)$ from any sufficiently smooth function with anisotropic moments. This includes for example compactly supported systems, piecewise polynomial systems, or both. From our earlier results it follows that thes...
[ "math.FA" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
17342524
1001.1354
2010-01-11
The VLA-COSMOS Perspective on the IR-Radio Relation. I. New Constraints on Selection Biases and the Non-Evolution of the IR/Radio Properties of Star Forming and AGN Galaxies at Intermediate and High Redshift
VLA 1.4 GHz (rms noise ~0.012 mJy) and MIPS 24 and 70 micron (rms noise ~0.02 and ~1.7 mJy, respectively) observations covering the 2 square degree COSMOS field are combined with an extensive multi-wavelength data set to study the evolution of the IR-radio relation at intermediate and high redshift. With ~4500 sources ...
[ "astro-ph.CO" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
716361
1001.1658
2010-01-11
On the Capacity of Non-Coherent Network Coding
We consider the problem of multicasting information from a source to a set of receivers over a network where intermediate network nodes perform randomized network coding operations on the source packets. We propose a channel model for the non-coherent network coding introduced by Koetter and Kschischang in [6], that ca...
[ "cs.IT", "math.IT" ]
null
[ "target.author.publication_history", "target.author.publication_history.key_reference" ]
[ { "corpus_id": "18602368", "num_citations": null }, { "corpus_id": "2376", "num_citations": null } ]
[ { "author_id": "m siavoshani_1", "name": "Mahdi [\"Jafari\"] Siavoshani", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "s mohajer_1", "name": "Soheil Mohajer", "publication_history": null, "h_index": null, "...
null
4851969
1001.1732
2010-01-11
Trade-off capacities of the quantum Hadamard channels
Coding theorems in quantum Shannon theory express the ultimate rates at which a sender can transmit information over a noisy quantum channel. More often than not, the known formulas expressing these transmission rates are intractable, requiring an optimization over an infinite number of uses of the channel. Researchers...
[ "quant-ph", "cs.IT", "math.IT" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
15245323
1001.1781
2010-01-11
Two Theorems in List Decoding
We prove the following results concerning the list decoding of error-correcting codes: (i) We show that for \textit{any} code with a relative distance of $\delta$ (over a large enough alphabet), the following result holds for \textit{random errors}: With high probability, for a $\rho\le \delta -\eps$ fraction of random...
[ "cs.IT", "math.IT" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "a rudra_1", "name": "Atri Rudra", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "s uurtamo_1", "name": "Steve Uurtamo", "publication_history": null, "h_index": null, "num_papers": null, "n...
null
119227520
1001.1541
2010-01-11
Aspects of the BMS/CFT correspondence
After a review of symmetries and classical solutions involved in the AdS3/CFT2 correspondence, we apply a similar analysis to asymptotically flat spacetimes at null infinity in 3 and 4 dimensions. In the spirit of two dimensional conformal field theory, the symmetry algebra of asymptotically flat spacetimes at null inf...
[ "hep-th", "gr-qc" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
15833207
1001.1654
2010-01-11
Algorithmic Differentiation of Linear Algebra Functions with Application in Optimum Experimental Design (Extended Version)
We derive algorithms for higher order derivative computation of the rectangular $QR$ and eigenvalue decomposition of symmetric matrices with distinct eigenvalues in the forward and reverse mode of algorithmic differentiation (AD) using univariate Taylor propagation of matrices (UTPM). Linear algebra functions are regar...
[ "cs.DS", "cs.MS", "math.NA" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
115174984
1001.1433
2010-01-11
Relative complexity of random walks in random sceneries
Relative complexity measures the complexity of a probability preserving transformation relative to a factor being a sequence of random variables whose exponential growth rate is the relative entropy of the extension. We prove distributional limit theorems for the relative complexity of certain zero entropy extensions: ...
[ "math.DS", "math.PR" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
32893382
1001.1609
2010-01-11
Optimal rates of convergence for estimating the null density and proportion of nonnull effects in large-scale multiple testing
An important estimation problem that is closely related to large-scale multiple testing is that of estimating the null density and the proportion of nonnull effects. A few estimators have been introduced in the literature; however, several important problems, including the evaluation of the minimax rate of convergence ...
[ "math.ST", "stat.TH" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
14280921
1001.1681
2010-01-11
Multivariate dependence and genetic networks inference
A critical task in systems biology is the identification of genes that interact to control cellular processes by transcriptional activation of a set of target genes. Many methods have been developed to use statistical correlations in high-throughput datasets to infer such interactions. However, cellular pathways are hi...
[ "q-bio.QM", "q-bio.MN" ]
null
[ "target.author.publication_history" ]
[ { "corpus_id": "1395925", "num_citations": null }, { "corpus_id": "1674228", "num_citations": null } ]
[ { "author_id": "a margolin_1", "name": "Adam [\"A.\"] Margolin", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "k wang_85", "name": "Kai Wang", "publication_history": null, "h_index": null, "num_papers": null...
null
17125963
1001.1615
2010-01-11
Rates of convergence for the posterior distributions of mixtures of Betas and adaptive nonparametric estimation of the density
In this paper, we investigate the asymptotic properties of nonparametric Bayesian mixtures of Betas for estimating a smooth density on $[0,1]$. We consider a parametrization of Beta distributions in terms of mean and scale parameters and construct a mixture of these Betas in the mean parameter, while putting a prior on...
[ "math.ST", "stat.TH" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
56253406
1001.1831
2010-01-12
Monitoring Procedures to Detect Unit Roots and Stationarity
When analysing time series an important issue is to decide whether the time series is stationary or a random walk. Relaxing these notions, we consider the problem to decide in favor of the I(0)- or I(1)-property. Fixed-sample statistical tests for that problem are well studied in the literature. In this paper we provid...
[ "math.ST", "stat.AP", "stat.TH" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "a steland_1", "name": "Ansgar Steland", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null } ]
null
232185
1001.1845
2010-01-12
Sequentially Updated Residuals and Detection of Stationary Errors in Polynomial Regression Models
The question whether a time series behaves as a random walk or as a station- ary process is an important and delicate problem, particularly arising in financial statistics, econometrics, and engineering. This paper studies the problem to detect sequentially that the error terms in a polynomial regression model no longe...
[ "math.PR", "math.ST", "stat.ME", "stat.TH" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "a steland_1", "name": "Ansgar Steland", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null } ]
null
119108707
1001.1969
2010-01-12
Measurement of the ortho-positronium confinement energy in mesoporous thin films
In this paper, we present measurements of the ortho-positronium emission energy in vacuum from mesoporous films using the time of flight technique. We show evidence of quantum mechanical confinement in the mesopores that defines the minimal energy of the emitted Ps. Two samples with different effective pore sizes, meas...
[ "physics.atom-ph", "cond-mat.mtrl-sci", "hep-ex" ]
null
[ "target.author.publication_history", "target.author.publication_history.key_reference" ]
[]
[ { "author_id": "p crivelli_1", "name": "Paolo Crivelli", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "u gendotti_1", "name": "Ulisse Gendotti", "publication_history": null, "h_index": null, "num_papers": nu...
null
3239801
1001.1855
2010-01-12
Detection of High-Energy Gamma-Ray Emission from the Globular Cluster 47 Tucanae with Fermi
Globular clusters are known to harbour a significant population of neutron star X-ray binaries that could be responsible for delaying the inevitable core collapse of these dense clusters. As a result, their progeny, namely millisecond pulsars, are also present in large numbers. Following the confirmation using the Ferm...
[ "astro-ph.HE", "astro-ph.GA" ]
null
[ "target.author.publication_history", "target.author.publication_history.key_reference" ]
[]
[ { "author_id": "a abdo_2", "name": "A. [\"A.\"] Abdo", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "m ackermann_1", "name": "Markus Ackermann", "publication_history": null, "h_index": null, "num_papers": nu...
null
7825916
1001.1912
2010-01-12
M\'ethode du point proximal: principe et applications aux algorithmes it\'eratifs
This paper recalls the proximal point method. We study two iterative algorithms: the Blahut-Arimoto algorithm for computing the capacity of arbitrary discrete memoryless channels, as an example of an iterative algorithm working with probability density estimates and the iterative decoding of the Bit Interleaved Coded M...
[ "cs.IT", "math.IT" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "z naja_1", "name": "Ziad Naja", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "f alberge_1", "name": "Florence Alberge", "publication_history": null, "h_index": null, "num_papers": null, "...
null
263369
1001.1937
2010-01-12
Avoiding Interruptions - QoE Trade-offs in Block-coded Streaming Media Applications
We take an analytical approach to study Quality of user Experience (QoE) for video streaming applications. First, we show that random linear network coding applied to blocks of video frames can significantly simplify the packet requests at the network layer and save resources by avoiding duplicate packet reception. Net...
[ "cs.MM", "cs.NI" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "a parandehgheibi_1", "name": "Ali ParandehGheibi", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "m médard_1", "name": "Muriel Médard", "publication_history": null, "h_index": null, "num_paper...
null
119099404
1001.2010
2010-01-12
Transits and Occultations
When we are fortunate enough to view an exoplanetary system nearly edge-on, the star and planet periodically eclipse each other. Observations of eclipses (transits and occultations) provide a bonanza of information that cannot be obtained from radial-velocity data alone, such as the relative dimensions of the planet an...
[ "astro-ph.EP" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
18352374
1001.1828
2010-01-12
Random walks - a sequential approach
In this paper sequential monitoring schemes to detect nonparametric drifts are studied for the random walk case. The procedure is based on a kernel smoother. As a by-product we obtain the asymptotics of the Nadaraya-Watson estimator and its as- sociated sequential partial sum process under non-standard sampling. The as...
[ "math.ST", "math.PR", "stat.TH" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "a steland_1", "name": "Ansgar Steland", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null } ]
null
5709520
1001.1901
2010-01-12
A complete characterization of group-strategyproof mechanisms of cost-sharing
We study the problem of designing group-strategyproof cost-sharing mechanisms. The players report their bids for getting serviced and the mechanism decides which players are going to be serviced and how much each one of them is going to pay. We determine three conditions: \emph{Fence Monotonicity}, \emph{Stability} of ...
[ "cs.GT" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "e pountourakis_1", "name": "Emmanouil Pountourakis", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "a vidali_0", "name": "Angelina Vidali", "publication_history": null, "h_index": null, "num_p...
null
14521611
1001.1933
2010-01-12
Quantitative Games on Probabilistic Timed Automata
Two-player zero-sum games are a well-established model for synthesising controllers that optimise some performance criterion. In such games one player represents the controller, while the other describes the (adversarial) environment, and controller synthesis corresponds to computing the optimal strategies of the contr...
[ "cs.GT", "cs.LO" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "m kwiatkowska_1", "name": "M. Kwiatkowska", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "g norman_1", "name": "Gethin Norman", "publication_history": null, "h_index": null, "num_papers": nul...
null
13948624
1001.1873
2010-01-12
Optimal incorporation of sparsity information by weighted $\ell_1$ optimization
Compressed sensing of sparse sources can be improved by incorporating prior knowledge of the source. In this paper we demonstrate a method for optimal selection of weights in weighted $L_1$ norm minimization for a noiseless reconstruction model, and show the improvements in compression that can be achieved.
[ "cs.IT", "math.IT" ]
null
[ "target.author.publication_history", "target.author.publication_history.key_reference" ]
[ { "corpus_id": "2879345", "num_citations": null } ]
[ { "author_id": "t tanaka_3", "name": "Toshiyuki TANAKA", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "j raymond_1", "name": "Jack Raymond", "publication_history": null, "h_index": null, "num_papers": null, ...
null
11284752
1001.1917
2010-01-12
New Criteria for Iterative Decoding
Iterative decoding was not originally introduced as the solution to an optimization problem rendering the analysis of its convergence very difficult. In this paper, we investigate the link between iterative decoding and classical optimization techniques. We first show that iterative decoding can be rephrased as two emb...
[ "cs.IT", "math.IT" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "f alberge_1", "name": "Florence Alberge", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "z naja_1", "name": "Ziad Naja", "publication_history": null, "h_index": null, "num_papers": null, "...
null
5704889
1001.1821
2010-01-12
The extremogram: A correlogram for extreme events
We consider a strictly stationary sequence of random vectors whose finite-dimensional distributions are jointly regularly varying with some positive index. This class of processes includes, among others, ARMA processes with regularly varying noise, GARCH processes with normally or Student-distributed noise and stochast...
[ "math.ST", "stat.TH" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
5247304
1001.1830
2010-01-12
Optimal Sequential Kernel Detection for Dependent Processes
In many applications one is interested to detect certain (known) patterns in the mean of a process with smallest delay. Using an asymptotic framework which allows to capture that feature, we study a class of appropriate sequential nonparametric kernel procedures under local nonparametric alternatives. We prove a new th...
[ "math.ST", "math.OC", "stat.TH" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "a steland_1", "name": "Ansgar Steland", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null } ]
null
54766151
1001.1833
2010-01-12
Weighted Dickey-Fuller Processes for Detecting Stationarity
Aiming at monitoring a time series to detect stationarity as soon as possible, we introduce monitoring procedures based on kernel-weighted sequential Dickey-Fuller (DF) processes, and related stopping times, which may be called weighted Dickey-Fuller control charts. Under rather weak assumptions, (functional) central l...
[ "math.PR", "math.ST", "stat.ME", "stat.TH" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "a steland_1", "name": "Ansgar Steland", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null } ]
null
88518872
1001.1841
2010-01-12
A Binary Control Chart to Detect Small Jumps
The classic N p chart gives a signal if the number of successes in a sequence of inde- pendent binary variables exceeds a control limit. Motivated by engineering applications in industrial image processing and, to some extent, financial statistics, we study a simple modification of this chart, which uses only the most ...
[ "stat.ME", "stat.AP", "stat.ML" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "e rafajłowicz_0", "name": "Ewaryst Rafajłowicz", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "a steland_1", "name": "Ansgar Steland", "publication_history": null, "h_index": null, "num_paper...
null
2018526
1001.1948
2010-01-12
Collision Helps - Algebraic Collision Recovery for Wireless Erasure Networks
Current medium access control mechanisms are based on collision avoidance and collided packets are discarded. The recent work on ZigZag decoding departs from this approach by recovering the original packets from multiple collisions. In this paper, we present an algebraic representation of collisions which allows us to ...
[ "cs.IT", "cs.NI", "math.IT" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
6233895
1001.1826
2010-01-12
Threshold Saturation via Spatial Coupling: Why Convolutional LDPC Ensembles Perform so well over the BEC
Convolutional LDPC ensembles, introduced by Felstrom and Zigangirov, have excellent thresholds and these thresholds are rapidly increasing as a function of the average degree. Several variations on the basic theme have been proposed to date, all of which share the good performance characteristics of convolutional LDPC ...
[ "cs.IT", "math.IT" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
10853890
1001.1915
2010-01-12
Geometrical interpretation and improvements of the Blahut-Arimoto's algorithm
The paper first recalls the Blahut Arimoto algorithm for computing the capacity of arbitrary discrete memoryless channels, as an example of an iterative algorithm working with probability density estimates. Then, a geometrical interpretation of this algorithm based on projections onto linear and exponential families of...
[ "cs.IT", "math.IT" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "z naja_1", "name": "Ziad Naja", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "f alberge_1", "name": "Florence Alberge", "publication_history": null, "h_index": null, "num_papers": null, "...
null
88518342
1001.1820
2010-01-12
Spectral estimation of the fractional order of a L\'{e}vy process
We consider the problem of estimating the fractional order of a L\'{e}vy process from low frequency historical and options data. An estimation methodology is developed which allows us to treat both estimation and calibration problems in a unified way. The corresponding procedure consists of two steps: the estimation of...
[ "math.ST", "stat.TH" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
8599475
1001.2218
2010-01-13
Bounds on the Capacity of the Relay Channel with Noncausal State Information at Source
We consider a three-terminal state-dependent relay channel with the channel state available non-causally at only the source. Such a model may be of interest for node cooperation in the framework of cognition, i.e., collaborative signal transmission involving cognitive and non-cognitive radios. We study the capacity of ...
[ "cs.IT", "math.IT" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "a zaidi_1", "name": "Abdellatif Zaidi", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "s shamai_1", "name": "Shlomo Shamai", "publication_history": null, "h_index": null, "num_papers": null, ...
null
833524
1001.2327
2010-01-13
Wiretap Channel with Causal State Information
A lower bound on the secrecy capacity of the wiretap channel with state information available causally at both the encoder and decoder is established. The lower bound is shown to be strictly larger than that for the noncausal case by Liu and Chen. Achievability is proved using block Markov coding, Shannon strategy, and...
[ "cs.IT", "math.IT" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
19845948
1001.2335
2010-01-13
Measuring Renyi Entanglement Entropy with Quantum Monte Carlo
We develop a quantum Monte Carlo procedure, in the valence bond basis, to measure the Renyi entanglement entropy of a many-body ground state as the expectation value of a unitary {\it Swap} operator acting on two copies of the system. An improved estimator involving the ratio of {\it Swap} operators for different subre...
[ "cond-mat.str-el", "cond-mat.stat-mech", "quant-ph" ]
null
[ "target.author.publication_history", "target.author.publication_history.key_reference" ]
[]
[ { "author_id": "m hastings_1", "name": "Matthew [\"B.\"] Hastings", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "i gonzález_1", "name": "Iván González", "publication_history": null, "h_index": null, "num_pa...
null
272146488
1001.2055
2010-01-13
Reversible jump Markov chain Monte Carlo and multi-model samplers
To appear in the second edition of the MCMC handbook, S. P. Brooks, A. Gelman, G. Jones and X.-L. Meng (eds), Chapman & Hall.
[ "stat.ME" ]
null
[ "target.author.publication_history" ]
[]
[ { "author_id": "y fan_78", "name": "Yanan Fan", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "s sisson_1", "name": "Scott [\"Anthony\"] Sisson", "publication_history": null, "h_index": null, "num_papers": nu...
null
119256778
1001.2308
2010-01-13
Primordial Black Holes as All Dark Matter
We argue that a primordial black hole is a natural and unique candidate for all dark matter. We show that, in a smooth-hybrid new double inflation model, a right amount of the primordial black holes, with a sharply-defined mass, can be produced at the end of the smooth-hybrid regime, through preheating. We first consid...
[ "hep-ph", "astro-ph.CO" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
15475492
1001.2152
2010-01-13
Rate of convergence of predictive distributions for dependent data
This paper deals with empirical processes of the type \[C_n(B)=\sqrt{n}\{\mu_n(B)-P(X_{n+1}\in B\mid X_1,...,X_n)\},\] where $(X_n)$ is a sequence of random variables and $\mu_n=(1/n)\sum_{i=1}^n\delta_{X_i}$ the empirical measure. Conditions for $\sup_B|C_n(B)|$ to converge stably (in particular, in distribution) are ...
[ "math.ST", "stat.TH" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
88517733
1001.2058
2010-01-13
Likelihood-free Markov chain Monte Carlo
To appear to MCMC handbook, S. P. Brooks, A. Gelman, G. Jones and X.-L. Meng (eds), Chapman & Hall.
[ "stat.ME" ]
null
[ "target.author.publication_history", "target.author.publication_history.key_reference" ]
[ { "corpus_id": "432870", "num_citations": null }, { "corpus_id": "17849676", "num_citations": null } ]
[ { "author_id": "s sisson_1", "name": "Scott [\"Anthony\"] Sisson", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "y fan_78", "name": "Y Fan", "publication_history": null, "h_index": null, "num_papers": null, ...
null
118642726
1001.2072
2010-01-13
Spinor Bose-Einstein condensates
An overview on the physics of spinor and dipolar Bose-Einstein condensates (BECs) is given. Mean-field ground states, Bogoliubov spectra, and many-body ground and excited states of spinor BECs are discussed. Properties of spin-polarized dipolar BECs and those of spinor-dipolar BECs are reviewed. Some of the unique feat...
[ "cond-mat.quant-gas" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
10039878
1001.2362
2010-01-13
Dense Error Correction for Low-Rank Matrices via Principal Component Pursuit
We consider the problem of recovering a low-rank matrix when some of its entries, whose locations are not known a priori, are corrupted by errors of arbitrarily large magnitude. It has recently been shown that this problem can be solved efficiently and effectively by a convex program named Principal Component Pursuit (...
[ "cs.IT", "math.IT" ]
null
[ "target.author.publication_history", "target.author.publication_history.key_reference" ]
[ { "corpus_id": "7128002", "num_citations": null } ]
[ { "author_id": "a ganesh_7", "name": "Arvind Ganesh", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null }, { "author_id": "j wright_8", "name": "John Wright", "publication_history": null, "h_index": null, "num_papers": null, "...
null
91180697
1001.2037
2010-01-13
Gravitationally lensed quasars and supernovae in future wide-field optical imaging surveys
Cadenced optical imaging surveys in the next decade will be capable of detecting time-varying galaxy-scale strong gravitational lenses in large numbers, increasing the size of the statistically well-defined samples of multiply-imaged quasars by two orders of magnitude, and discovering the first strongly-lensed supernov...
[ "astro-ph.CO" ]
null
[ "target.author.publication_history.key_reference" ]
null
null
null
307500
1001.2228
2010-01-13
Estimation with Random Linear Mixing, Belief Propagation and Compressed Sensing
We apply Guo and Wang's relaxed belief propagation (BP) method to the estimation of a random vector from linear measurements followed by a componentwise probabilistic measurement channel. Relaxed BP uses a Gaussian approximation in standard BP to obtain significant computational savings for dense measurement matrices. ...
[ "cs.IT", "math.IT" ]
null
[ "target.author.publication_history", "target.author.publication_history.key_reference" ]
[ { "corpus_id": "6670781", "num_citations": null }, { "corpus_id": "8261426", "num_citations": null }, { "corpus_id": "6553281", "num_citations": null } ]
[ { "author_id": "s rangan_1", "name": "Sundeep Rangan", "publication_history": null, "h_index": null, "num_papers": null, "num_citations": null } ]
null