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News and current affairs.

Topics: World Stories - International Reporters, Television Program

Source: Comcast Cable

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Topics: News, Television Program

Source: 97 West 12.084 GHz

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Topics: Journal News/Business Brief/Quadriga, Television Program

Source: Comcast Cable

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Latest News on DW.

Topics: Journal - News, Television Program

Source: Comcast Cable

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Apr 4, 2016
04/16

by
KPFA

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Topics: Journal News/Germany Today, Television Program

Source: Comcast Cable

Topics: Michael Savage, The Savage Nation, WCB, With commmercial breaks, recorded

Topics: news, homepages, screenshot

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Topics: Regional News, Television Program

Source: 97 West 12.084 GHz

Topics: news, homepages, screenshot

Topics: news, homepages, screenshot

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Today's news on the economy, markets, real estate, media and technology.

Topics: ukraine, russia, pimco, kansas, faa, s&p, tyler, ron, crimea, steve sedgwick, fda, greensboro,...

Source: Comcast Cable

Topics: san francisco, california, kevin, nicole snyder, avalos, weiss, psac, ms. weiss, yee, john alex...

Source: Comcast Cable

Topics: hurtado, valencia, fung, mr. pacheco, shizuo, rutherford, honda, marsh, san francisco, lazarus,...

Source: Comcast Cable

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Mar 12, 2015
03/15

by
Radio New Zealand

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Topics: Radio New Zealand, Nine to Noon, Kathryn Ryan

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Topics: ukraine, alexandria, crimea, russia, fraser, germantown, maryland, rockville, leonardtown, fbi,...

Source: Verizon FiOS

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Latest News on DW.

Topics: Journal - News, Television Program

Source: Comcast Cable

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4.0

Sep 19, 2018
09/18

by
PRI

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Topics: PRI, Public Radio International, The Takeaway

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14

May 28, 2016
05/16

by
NCTV Government Video Archive

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Tags: Northampton, City Council, government, meeting

Topics: Massachusetts, Northampton, NCTV Government Video Archive, Public Access TV, Community Media, PEG,...

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11

Feb 7, 2016
02/16

by
Kenneth Udut

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Did you ever 'get the joke 'and then suddenly realize you're not sure #iseewhatyoudidthere-MqBUlYiv9dd.mp4 Did you ever get the joke and then suddenly realize youre not sure iseewhatyoudidthere MqBUlYiv9dd mp4 iseewhatyoudidthere

Topics: iseewhatyoudidthere, Vine, KennethUdut

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News/Business. (2014) Transatlantic Trade and Investment Partnership; 78-year-old artist fights against wasting water; biodiversity in the Mata Atlantica. (Stereo)

Topic: waterline

Source: Comcast Cable

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Tracking the rising and falling prices of goods and services in China.

Topics: china, beijing, hong kong

Source: Comcast Cable

Topics: tnc, puc, seattle, san francisco, mta, chicago, california, hayashi

Source: Comcast Cable

Topics: tnc, san francisco, california, kristine, cpc

Source: Comcast Cable

Topics: san francisco, woodson, chad williams, marcus, burton, carter g woodson, frederick douglas,...

Source: Comcast Cable

Topic: Television Program

Source: Comcast Cable

Topics: news, homepages, screenshot

2
2.0

Jun 30, 2018
06/18

by
R. Joubaud; G. Pavliotis; G. Stoltz

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We present results on the ballistic and diffusive behavior of the Langevin dynamics in a periodic potential that is driven away from equilibrium by a space-time periodic driving force, extending some of the results obtained by Collet and Martinez. In the hyperbolic scaling, a nontrivial average velocity can be observed even if the external forcing vanishes in average. More surprisingly, an average velocity in the direction opposite to the forcing may develop at the linear response level -- a...

Topics: Mathematics, Mathematical Physics, Statistical Mechanics, Condensed Matter

Source: http://arxiv.org/abs/1403.1883

2
2.0

Jun 30, 2018
06/18

by
F. Augustin; Y. M. Marzouk

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This paper proposes the algorithm NOWPAC (Nonlinear Optimization With Path-Augmented Constraints) for nonlinear constrained derivative-free optimization. The algorithm uses a trust region framework based on fully linear models for the objective function and the constraints. A new constraint-handling scheme based on an inner boundary path allows for the computation of feasible trial steps using models for the constraints. We prove that the iterates computed by NOWPAC converge to a first-order...

Topics: Mathematics, Optimization and Control

Source: http://arxiv.org/abs/1403.1931

2
2.0

Jun 30, 2018
06/18

by
Nicholas Scott; Roger L Davies; Ryan C W Houghton; Michele Cappellari; Alister W Graham; Kevin A Pimbblet

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We present integral field spectroscopy of 10 early-type galaxies in the nearby, low-mass, Fornax cluster, from which we derive spatially resolved stellar kinematics. Based on the morphologies of their stellar velocity maps we classify 2/10 galaxies as slow rotators, with the remaining 8 galaxies fast rotators. Supplementing our integral field observations with morphological and kinematic data from the literature, we analyse the `kinematic' type of all 30 galaxies in the Fornax cluster brighter...

Topics: Astrophysics of Galaxies, Astrophysics, Cosmology and Nongalactic Astrophysics

Source: http://arxiv.org/abs/1403.1705

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2.0

Jun 30, 2018
06/18

by
Y. Yoshii; Y. Kobayashi; T. Minezaki; S. Koshida; B. A. Peterson

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We have pioneered a new method for the measurement of extragalactic distances. This method uses the time-lag between variations in the short wavelength and long wavelength light from an active galactic nucleus (AGN), based on a quantitative physical model of dust reverberation that relates the time-lag to the absolute luminosity of the AGN. We use the large homogeneous data set from intensive monitoring observations in optical and near-infrared wavelength bands with the dedicated 2-m MAGNUM...

Topics: Astrophysics of Galaxies, Astrophysics, Cosmology and Nongalactic Astrophysics

Source: http://arxiv.org/abs/1403.1693

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2.0

Jun 30, 2018
06/18

by
R Gandham; D S Medina; T Warburton

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We discuss the development, verification, and performance of a GPU accelerated discontinuous Galerkin method for the solutions of two dimensional nonlinear shallow water equations. The shallow water equations are hyperbolic partial differential equations and are widely used in the simulation of tsunami wave propagations. Our algorithms are tailored to take advantage of the single instruction multiple data (SIMD) architecture of graphic processing units. The time integration is accelerated by...

Topics: Mathematics, Numerical Analysis

Source: http://arxiv.org/abs/1403.1661

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3.0

Jun 30, 2018
06/18

by
D. V. Slobodianiuk

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Two-mode model of spin-torque nano-oscillator (STNO) under the action of thermal noise is considered. Langevin equations for mode amplitudes were derived starting from general nonlinear oscillator model. Stationary probability distribution function describing mean mode generation powers was obtained using Fokker-Planck equation. It was shown that thermal noise can lead to two-mode generation in STNO. An increase of thermal noise power leads to excitation of the second mode in a system and to a...

Topics: Mesoscale and Nanoscale Physics, Condensed Matter

Source: http://arxiv.org/abs/1403.1688

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3.0

Jun 30, 2018
06/18

by
Ilaria Cardinali; N. S. Narasimha Sastry

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Let Q_0 be the classical generalized quadrangle of order q = 2n arising from a non-degenerate quadratic form in a 5-dimensional vector space defined over a finite field of order q. We consider the rank two geometry X having as points all the elliptic ovoids of Q_0 and as lines the maximal pencils of elliptic ovoids of Q_0 pairwise tangent at the same point. We first prove that X is isomorphic to a 2-fold quotient of the affine generalized quadrangle Q \setminus Q_0 where Q is the classical (q;...

Topics: Mathematics, Combinatorics

Source: http://arxiv.org/abs/1403.1714

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2.0

Jun 30, 2018
06/18

by
Eran Sagi; Yuval Oreg

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We suggest a construction of a large class of topological states using an array of quantum wires. First, we show how to construct a Chern insulator using an array of alternating wires that contain electrons and holes, correlated with an alternating magnetic field. This is supported by semi-classical arguments and a full quantum mechanical treatment of an analogous tight-binding model. We then show how electron-electron interactions can stabilize fractional Chern insulators (Abelian and...

Topics: Strongly Correlated Electrons, Condensed Matter

Source: http://arxiv.org/abs/1403.1791

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3.0

Jun 30, 2018
06/18

by
Weihua Liu

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We introduce a family of quantum semigroups and their natural coactions on noncommutative polynomials. We present three invariance conditions, associated with these coactions, for the joint distribution of sequences of selfadjoint noncommutative random variables. For one of the invariance conditions, we prove that the joint distribution of an infinite sequence of noncommutative random variables satisfies it is equivalent to the fact that the sequence of the random variables are identically...

Topics: Mathematics, Probability, Operator Algebras

Source: http://arxiv.org/abs/1403.1772

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2.0

Jun 30, 2018
06/18

by
Alexandre Vinogradov

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We describe some natural relations connecting contact geometry, classical Monge-Ampere equations and theory of singularities of solutions to nonlinear PDEs. They reveal the hidden meaning of Monge-Ampere equations and sheds new light on some aspects of contact geometry.

Topics: Mathematics, Analysis of PDEs, Differential Geometry

Source: http://arxiv.org/abs/1403.1742

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3.0

Jun 30, 2018
06/18

by
Jaan Oitmaa; Rajiv R. P. Singh

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We study the nearest-neighbor exchange ($J_1$) and second-neighbor exchange ($J_2$) XY antiferromagnet on the honeycomb lattice using ground state series expansions around N{\'e}el, columnar and dimer phases. The conventional two-sublattice XY N{\'e}el order at small $J_2$ vanishes at $J_2/J_1=0.22\pm 0.01$ in agreement with results from Density Matrix Renormalization Group (DMRG) studies. Near the transition, we find evidence for an {\it approximate} emergent symmetry between XY and Ising...

Topics: Strongly Correlated Electrons, Condensed Matter

Source: http://arxiv.org/abs/1403.1905

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2.0

Jun 30, 2018
06/18

by
V. G. Sinitsyna; V. Yu. Sinitsyna

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The Seyfert galaxy NGC 1275 is the central, dominant galaxy in the Perseus cluster of galaxies. NGC1275 is known as a powerful source of radio and X-ray emission. The well-known extragalactic object NGC 1275 has been observed by the SHALON high-altitude mirror Cherenkov telescopes within the framework of long-term studies of metagalactic gamma-ray sources. In 1996, the SHALON observations revealed a new metagalactic source of very high energy gamma-ray emission coincident in its coordinates...

Topics: High Energy Astrophysical Phenomena, Astrophysics

Source: http://arxiv.org/abs/1403.1740

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2.0

Jun 30, 2018
06/18

by
Drew Armstrong; Nicholas A. Loehr; Gregory S. Warrington

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The classical parking functions, counted by the Cayley number (n+1)^(n-1), carry a natural permutation representation of the symmetric group S_n in which the number of orbits is the n'th Catalan number. In this paper, we will generalize this setup to rational parking functions indexed by a pair (a,b) of coprime positive integers. We show that these parking functions, which are counted by b^(a-1), carry a permutation representation of S_a in which the number of orbits is a rational Catalan...

Topics: Mathematics, Combinatorics

Source: http://arxiv.org/abs/1403.1845

Topics: news, homepages, screenshot

Topics: news, homepages, screenshot

Topics: news, homepages, screenshot

Topics: news, homepages, screenshot

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6.0

Jun 30, 2018
06/18

by
Saurabh Joshi; Akash Lal

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This paper presents a technique for automatically constructing a fix for buggy concurrent programs: given a concurrent program that does not satisfy user-provided assertions, we infer atomic blocks that fix the program. An atomic block protects a piece of code and ensures that it runs without interruption from other threads. Our technique uses a verification tool as a subroutine to find the smallest atomic regions that remove all bugs in a given program. Keeping the atomic regions small allows...

Topics: Computing Research Repository, Software Engineering

Source: http://arxiv.org/abs/1403.1749

Topics: news, homepages, screenshot

Topics: news, homepages, screenshot

Topics: news, homepages, screenshot

Topics: news, homepages, screenshot

Topics: news, homepages, screenshot