text stringlengths 4 2.78M |
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---
abstract: 'We have investigated, in the frame work of the transport approach, different aspects of the QGP created in Heavy Ion Collisions at RHIC and LHC energies. The shear viscosity $\eta$ has been calculated by using the Green-Kubo relation at the cascade level. We have compared the numerical results for $\eta$... |
---
abstract: 'I review recent progress in relating meson spectral function to imaginary time correlation function at finite temperature calculated on isotropic as well as on anisotropic lattices. Special attention is payed for the lattice artifacts present in calculation of meson spectral functions. Results in the cas... |
---
abstract: |
Combining the GW observations of merging systems of binary neutron stars and quasi-universal relations, we set constraints on the maximum mass that can be attained by nonrotating stellar models of neutron stars. More specifically, exploiting the recent observation of the GW event GW 170817 and drawi... |
---
abstract: 'Can attention- or gradient-based visualization techniques be used to infer token-level labels for binary sequence tagging problems, using networks trained only on sentence-level labels? We construct a neural network architecture based on soft attention, train it as a binary sentence classifier and evalua... |
---
abstract: 'Bresinsky defined a class of monomial curves in $\mathbb{A}^{4}$ with the property that the minimal number of generators or the first Betti number of the defining ideal is unbounded above. We prove that the same behaviour of unboundedness is true for all the Betti numbers and construct an explicit minima... |
---
abstract: 'We study how runaway stellar collisions in high-redshift, metal-poor star clusters form very massive stars (VMSs) that can directly collapse to intermediate-mass black holes (IMBHs). We follow the evolution of a pair of neighbouring high-redshift mini-haloes with high-resolution, cosmological hydrodynami... |
---
abstract: |
In this article we develop a concentration compactness type principle in a variable exponent setup. As an application of this principle we discuss a problem involving fractional ‘[*$(p(x),p^+)$-Laplacian*]{}’ and power nonlinearities with exponents $(p^+)^*$, $p_s^*(x)$ with the assumption that the ... |
---
author:
- 'A. Nicuesa Guelbenzu, S. Klose, J. Greiner, D. A. Kann, T. Krühler, A. Rossi, S. Schulze, P. M. J. Afonso, J. Elliott, R. Filgas, D. H. Hartmann, A. Küpcü Yoldaş, S. McBreen, M. Nardini, F. Olivares E., A. Rau, S. Schmidl, P. Schady, V. Sudilovsky, A. C. Updike, & A. Yoldaş'
bibliography:
- 'mypaper.bib'... |
---
abstract: 'Representing examples in a way that is compatible with the underlying classifier can greatly enhance the performance of a learning system. In this paper we investigate scalable techniques for inducing discriminative features by taking advantage of simple second order structure in the data. We focus on mu... |
---
abstract: 'In this paper we continue investigation of the interior problem of tomography that was started in [@BKT2]. As is known, solving the interior problem [with prior data specified on a finite collection of intervals $I_i$]{} is equivalent to analytic continuation of a function from $I_i$ to an open set ${\bf... |
---
abstract: 'Within the LAGUNA design study, seven candidate sites are being assessed for their feasibility to host a next-generation, very large neutrino observatory. Such a detector will be expected to feature within a future European accelerator neutrino programme (Superbeam or Beta Beam), and hence the distance f... |
---
abstract: 'We report the first detection of $>$100 MeV gamma rays associated with a behind-the-limb solar flare, which presents a unique opportunity to probe the underlying physics of high-energy flare emission and particle acceleration. On 2013 October 11 a GOES M1.5 class solar flare occurred $\sim$ 9.9 behind th... |
**DEGENERATE SELF-SIMILAR MEASURES, SPECTRAL ASYMPTOTICS**
**AND SMALL DEVIATIONS OF GAUSSIAN PROCESSES**
A.I. Nazarov[^1], I.A. Sheipak[^2]
Introduction
============
The problem of small ball behavior for the norms of Gaussian processes is intensively studied in recent years. The simplest and most explored case is... |
---
abstract: 'Compressive sensing promises to enable bandwidth-efficient on-board compression of astronomical data by lifting the encoding complexity from the source to the receiver. The signal is recovered off-line, exploiting GPUs parallel computation capabilities to speedup the reconstruction process. However, inhe... |
---
abstract: |
In preparation for a set of hydrodynamical simulations of core-collapse supernovae and protoneutron star winds, we investigate the rates of production and thermalization of $\nu_\mu$ and $\nu_\tau$ neutrinos in dense nuclear matter. Included are contributions from electron scattering, electron-posit... |
---
abstract: '[*The Heat theorem reveals the second law of equilibrium Thermodynamics (i.e.existence of Entropy) as a manifestation of a general property of Hamiltonian Mechanics and of the Ergodic Hypothesis, valid for $1$ as well as $10^{23}$ degrees of freedom systems, [*i.e.*]{} for simple as well as very complex ... |
---
abstract: 'Quantum observables can be identified with vector fields on the sphere of normalized states. Consequently, the uncertainty relations for quantum observables become geometric statements. In the Letter the familiar uncertainty relation follows from the following stronger statement: Of all parallelograms wi... |
---
abstract: 'In analogy to various fermions of electrons in topological semimetals, topological mechanical states with two type of bosons, Dirac and Weyl bosons, were reported in some macroscopic systems of kHz frequency and those with a type of doubly-Weyl phonons in atomic vibrational framework of THz frequency of ... |
---
abstract: 'We prove that it is NP-complete to decide whether a given string can be factored into palindromes that are each unique in the factorization.'
address:
- 'Department of Informatics, Kyushu University, Japan\'
- 'Diego Portales University, Chile\'
- 'Department of Informatics, Kyushu University, Japan\'
- ... |
---
abstract: 'We prove upper bounds for sums of Kloosterman sums against general arithmetic weight functions. In particular, we obtain power cancellation in sums of Kloosterman sums over arithmetic progressions, which is of square-root strength in any fixed primitive congruence class up to bounds towards the Ramanujan... |
---
abstract: 'We report on the results of a three-year program of coordinated X-ray and optical monitoring of the narrow-line Seyfert 1 galaxy NGC 4051. The rapid continuum variations observed in the X-ray spectra are not detected in the optical, although the [*time-averaged*]{} X-ray and optical continuum fluxes are ... |
---
abstract: 'Skew lattices are non-commutative generalizations of lattices, and the cosets represent the building blocks that skew lattices are built of. As by Leech’s Second Decomposition Theorem any skew lattice embeds into a direct product of a left-handed skew lattice by a right-handed one, it is natural to consi... |
---
abstract: 'Let $R$ be a 2-dimensional normal excellent henselian local domain in which $2$ is invertible and let $L$ and $k$ be respectively its fraction field and residue field. Let $\Omega_R$ be the set of rank 1 discrete valuations of $L$ corresponding to codimension 1 points of regular proper models of ${\mathr... |
---
abstract: 'Understanding and predicting the performance of big data applications running in the cloud or on-premises could help minimise the overall cost of operations and provide opportunities in efforts to identify performance bottlenecks. The complexity of the low-level internals of big data frameworks and the u... |
---
abstract: 'We observe a link between the window size of mass concentration and the rate of explosion of the Strichartz norm by revisiting Bourgain’s mass concentration for the $L^2$-critical nonlinear Schrödinger equations.'
address:
- University of Toronto
- Arizona State University
author:
- James Colliander
- Sv... |
---
abstract: 'We report a novel approach for preparing a Bose-Einstein condensate (BEC) of $^{87}$Rb atoms using electro-pneumatically driven transfer of atoms into a Quadrupole-Ioffe magnetic trap (QUIC Trap). More than 5$\times$$10^{8}$ atoms from a Magneto-optical trap are loaded into a spherical quadrupole trap an... |
---
abstract: 'For any bipartite systems, a universal entanglement witness of rank-4 for pure states is obtained and a class of finite rank entanglement witnesses is constructed. In addition, a method of detecting entanglement of a state only by entries of its density matrix with respect to some product basis is obtain... |
---
abstract: 'We present an experimental setup to demonstrate normal modes and symmetry breaking in a two-dimensional pendulum. In our experiment we have used two modes of a single oscillator to demonstrate normal modes, as opposed to two single oscillators used in standard setups of two-dimensional pendulums. Breakin... |
---
abstract: 'We study first order evolutive Mean Field Games where the Hamiltonian is non-coercive. This situation occurs, for instance, when some directions are “forbidden” to the generic player at some points. We establish the existence of a weak solution of the system via a vanishing viscosity method and, mainly, ... |
---
abstract: 'Using the network model representation, it is shown that the edge states of finite-size integral quantum Hall liquid can be regarded as the edge states of an SU$(2N)$ open antiferromagnetic quantum spin chain in the $N \rightarrow 0$ limit. The structures of edge states in both cases of integer quantum H... |
---
author:
- |
Savely G. Karshenboim[^1]\
D. I. Mendeleev Institute for Metrology,\
198005, St. Petersburg, Russia
title: ' Comments to [*On the Accuracy of Lamb Shift Measurements in Hydrogen*]{} (Physica Scripta, 55 (1997) 33–40) by V. G. Pal’chikov, Yu. L. Sokolov, and V. P. Yakovlev '
---
The major pa... |
---
abstract: |
In this article we continue to explore the notion of Rota-Baxter algebras in the context of the Hopf algebraic approach to renormalization theory in perturbative quantum field theory. We show in very simple algebraic terms that the solutions of the recursively defined formulae for the Birkhoff facto... |
---
abstract: 'For a nonsingular real algebraic curve in $3$-dimensional projective space or $3$-sphere, a new integer-valued characteristic is introduced. It is invariant under rigid isotopy and multiplied by $-1$ under mirror reflections. In a sense, it is a Vassiliev invariant of degree $1$ and a counterpart of a li... |
---
abstract: 'Initial conditions in cosmology in the form of the microcanonical density matrix of the Universe predict a thermal nature of the primordial CMB power spectrum with a nonzero temperature of the resulting relict temperature distribution. This effect generates a thermal contribution to the red tilt of this ... |
=1200 2truecm =cmbx12
Some Remarks on the Matching Conditions
1truecm
D. Espriu and J. Matias
*D.E.C.M., Facultat de Física and I.F.A.E.*
*Universitat de Barcelona*
*Diagonal, 647*
*E-08028 Barcelona*
1.5truecm
ABSTRACT
We analyze the matching conditions to determine the values that the ${\cal O}(p^4)$ coef... |
---
abstract: 'We discuss a $4[k/2]$-dimensional complete hyperkähler submanifold of the $(4k-4)$-dimensional moduli space of strongly centred $SU(2)$-monopoles of charge $k$.'
address: |
Institut für Differentialgeometrie\
Universität Hannover\
Welfengarten 1\
D-30167 Hannover
author:
- Roger Bielawski... |
---
bibliography:
- 'biblio.bib'
---
[**A BGK model for high temperature rarefied gas flows**]{}
C. Baranger$^1$, Y. Dauvois$^1$, G. Marois$^1$, J. Mathé$^1$, J. Mathiaud$^{1,2}$, L. Mieussens$^2$
$^1$CEA-CESTA\
15 avenue des Sablières - CS 60001\
33116 Le Barp Cedex, France\
[ (celine.baranger@cea.fr, julien.mathia... |
---
abstract: 'We give a new proof of the classification due to Peternell-Szurek-Wiśniewski of nef vector bundles on a projective space with the first Chern class less than three and on a smooth hyperquadric with the first Chern class less than two over an algebraically closed field of characteristic zero.'
address: 'G... |
\#1! \#2! \#3! \#4;
\#1, \#2, \#3, \#4.
=10000
\#1
-1.2cm 8.5in 6.5in 0.0cm
[Comparison of Spectral Index Determinations]{}
ABSTRACT
1.0cm
Introduction
============
In this paper I compare several different methods for determining the spectral index $n$ of the power spectrum of primordial density perturbations... |
---
abstract: 'Both the Jahn-Teller distortion of Cu$^{2+}$O$_6$ octahedra and magnetic ordering are absent in hexagonal Ba$_3$CuSb$_2$O$_9$ suggesting a Cu 3$d$ spin-orbital liquid state. Here, by means of resonant x-ray scattering and absorption experiment, we show that oxygen 2$p$ holes play crucial role in stabiliz... |
---
abstract: 'This paper proposes a representational model for image pair such as consecutive video frames that are related by local pixel displacements, in the hope that the model may shed light on motion perception in primary visual cortex (V1). The model couples the following two components. (1) The vector represen... |
---
abstract: 'Follow-up observations of large numbers of gamma-ray burst (GRB) afterglows, facilitated by the Swift satellite, have produced a large sample of spectral energy distributions and light curves, from which the basic micro- and macrophysical parameters of afterglows may be derived. However, a number of phen... |
---
abstract: |
The influence of non-uniform distribution of nuclei on crystallization kinetics of amorphous materials is investigated. This case cannot be described by the well-known Johnson-Mehl-Avrami (JMA) equation, which is only valid under the assumption of a spatially homogeneous nucleation probability. The ... |
---
abstract: 'In this paper the relation between nonanticipative rate distortion function (RDF) and Bayesian filtering theory is further investigated on general Polish spaces. The relation is established via an optimization on the space of conditional distributions of the so-called directed information subject to fide... |
---
abstract: 'We derive from a microscopic model the effective theory of nematic order in a system with a spontaneous quantum anomalous Hall effect in two dimensions. Starting with a model of two-component fermions (a spinor field) with a quadratic band crossing and short range four-fermion marginally relevant interac... |
---
abstract: 'In this paper, we study fault-tolerant distributed consensus in wireless systems. In more detail, we produce two new randomized algorithms that solve this problem in the abstract MAC layer model, which captures the basic interface and communication guarantees provided by most wireless MAC layers. Our alg... |
---
author:
- |
Andrei N. Frolov\
Dept. of Mathematics and Mechanics\
St. Petersburg State University\
St. Petersburg, Russia\
E-mail address: Andrei.Frolov@pobox.spbu.ru
title: Bounds of the remainder in a combinatorial central limit theorem
---
60F05
combinatorial central limit theorem, Berry-E... |
---
abstract: |
We study $M/L$ evolution of early-type galaxies using dynamical modeling of resolved internal kinematics. This makes fewer assumptions than Fundamental Plane (FP) studies and provides a powerful new approach for studying galaxy evolution. We focus on the sample of 25 galaxies in clusters at $z \appr... |
---
abstract: |
Ivory’s Lemma is a geometrical statement in the heart of J. Ivory’s calculation of the gravitational potential of a homeoidal shell. In the simplest planar case, it claims that the diagonals of a curvilinear quadrilateral made by arcs of confocal ellipses and hyperbolas are equal.
In the first ... |
---
abstract: 'It is suggested that there is an interesting transition in double helices. The transition is between a helix, which has maximal torsion for the constituting helical strands, and a double helix which is nearly optimally packed illustrated by corresponding dual points on the rope curve. The possible physic... |
---
author:
- Federico Mazzola
- 'Chin-Yi Chen'
- Rajib Rahman
- 'Xie-Gang Zhu'
- 'Craig M. Polley'
- Thiagarajan Balasubramanian
- 'Phil D. C. King'
- Philip Hofmann
- 'Jill A. Miwa'
- 'Justin W. Wells'
title: 'The Sub-band Structure of Atomically Sharp Dopant Profiles in Silicon'
---
**The downscaling of silicon-bas... |
---
abstract: 'The brain interprets ambiguous sensory information faster and more reliably than modern computers, using neurons that are slower and less reliable than logic gates. But Bayesian inference, which underpins many computational models of perception and cognition, appears computationally challenging even give... |
epsf.sty
[SLAC–PUB–7766\
April 1998\
]{}
[**PRODUCTION OF $\pi^+$, $K^+$, $K^0$, $K^{*0}$, $\phi$, p and $\Lambda^0$ IN HADRONIC $Z^0$ DECAYS[^1]**]{}
[**The SLD Collaboration$^{**}$**]{}\
Stanford Linear Accelerator Center, Stanford University, Stanford, CA 94309
[ **Abstract** ]{}
We have measured the differenti... |
---
abstract: 'It is well known that the leptogenesis mechanism offers an attractive possibility to explain the baryon asymmetry of the universe. Its particular robustness however comes with one major difficulty: it will be very hard if not impossible to *test* experimentally in a foreseeable future, as most of the mec... |
---
abstract: 'Conduction may play an important role in reducing cooling flows in galaxy clusters. We analyse a sample of sixteen objects using *Chandra* data and find that a balance between conduction and cooling can exist in the hotter clusters ($T \gtrsim$ 5 keV), provided the plasma conductivity is close to the unh... |
---
abstract: 'A key physical quantity during reionization is the size of HII regions. Previous studies found a characteristic bubble size which increases rapidly during reionization, with apparent agreement between simulations and analytic excursion set theory. Using four different methods, we critically examine this ... |
---
abstract: 'Homoepitaxial growth is unstable towards the formation of pyramidal mounds when interlayer transport is reduced due to activation barriers to hopping at step edges. Simulations of a lattice model and a continuum equation show that a small amount of desorption dramatically speeds up the coarsening of the ... |
---
address: |
School of Mathematics\
University of Manchester\
Manchester M13 9PL\
United Kingdom
author:
- Peter Symonds
title: Endotrivial Modules for Infinite Groups
---
These notes were originally intended for a course given at the PIMS Summer School on Geometric and Topological Aspects of the Rep... |
---
abstract: 'This paper deals with asymptotic stability of a class of dynamical systems in terms of smooth Lyapunov pairs. We point out that well known converse Lyapunov results for differential inclusions cannot be applied to this class of dynamical systems. Following an abstract approach we put an assumption on the... |
---
abstract: 'We report the development of a parallel FORTRAN code, RCCPAC, to solve the relativistic coupled-cluster equations for closed-shell and one-valence atoms and ions. The parallelization is implemented through the use of message passing interface, which is suitable for distributed memory computers. The coupl... |
---
abstract: 'We investigate the charm quark system using the relativistic heavy quark action on 2+1 flavor PACS-CS configurations previously generated on $32^3 \times 64$ lattice. The dynamical up-down and strange quark masses are set to the physical values by using the technique of reweighting to shift the quark hop... |
---
abstract: 'In this paper we characterize, in terms of the prime divisors of $n$, the pairs $(k,n)$ for which $n$ divides $\sum_{j=1}^n j^{k}$. As an application, we study the sets $\mathcal{M}_f :=\{n: n \textrm{ divides } \sum_{j=1}^n j^{f(n)} \}$ for some choices of $f$.'
address:
- |
Departamento de Matemáti... |
---
abstract: 'Results are presented on $\Omega$ production in central Pb+Pb collisions at 40 and 158 beam energy. For the first time in heavy ion reactions, rapidity distributions and total yields were measured for the sum [$\Omega^-$]{}+[$\bar{\Omega}^+$]{} at 40 and for [$\Omega^-$]{} and [$\bar{\Omega}^+$]{} separ... |
---
author:
- |
Peter Kramer,\
Institut für Theoretische Physik der Universität Tübingen,\
Germany.
title: 'Gateways towards quasicrystals.'
---
Introduction. {#sec:intro}
=============
The experimental discovery of quasicrystals by D Shechtman, D Gratias, I Blech, and J W Cahn in 1984 [@SH84] provided th... |
---
abstract: 'The Peregrine soliton is often considered as a prototype of the rogue waves. After recent advances in the semi-classical limit of the 1-D focusing Nonlinear Schrödinger (NLS) equation \[Bertola, M., Tovbis, A., Commun. Pure Appl. Math. 66, 678–752 (2013)\] this conjecture can be seen from another perspec... |
---
abstract: 'Understanding the electronic properties of quasicrystals, in particular the dependence of these properties on dimension, is among the interesting open problems in the field of quasicrystals. We investigate an off-diagonal tight-binding hamiltonian on the separable square and cubic Fibonacci quasicrystals... |
---
abstract: |
We study the question of when a $\{0,1\}$-valued threshold process associated to a mean zero Gaussian or a symmetric stable vector corresponds to a [*divide and color (DC) process*]{}. This means that the process corresponding to fixing a threshold level $h$ and letting a 1 correspond to the variabl... |
---
abstract: 'We analyze how measured quantum dynamical systems store and process information, introducing sofic quantum dynamical systems. Using recently introduced information-theoretic measures for quantum processes, we quantify their information storage and processing in terms of *entropy rate* and *excess entropy... |
---
abstract: 'Synchronization in networks of interconnected oscillators is a fascinating phenomenon that appear naturally in many independent fields of science and engineering. A substantial amount of work has been devoted to understanding all possible synchronization configurations on a given network. In this setting... |
---
author:
- |
Stephanie M. Lukin, Luke Eisenberg, Thomas Corcoran, & Marilyn A. Walker\
Natural Language and Dialogue Systems\
Computer Science Department, SOE-3\
University of California, Santa Cruz\
[slukin,leisenbe,tcorcora,mawalker@ucsc.edu]{}
bibliography:
- 'nl.bib'
title: Identifying Subjec... |
---
abstract: |
We show that every Abelian group satisfying a mild cardinal inequality admits a pseudocompact group topology from which all countable subgroups inherit the maximal totally bounded topology (we say that such a topology satisfies property ${{\mathbf \sharp}}$).
Every pseudocompact Abelian group $... |
---
abstract: 'For this paper, we studied the time evolution of a system of coagulating particles under a generalized electrorheological (ER) kernel with real power, $K\left(i,j\right) = \left( \frac{1}{i}+\frac{1}{j} \right)^\alpha$, and monodisperse initial conditions. We used a combinatorial framework in which time ... |
---
abstract: 'We show that there is a minimal pair in the nonuniform generic degrees, and hence also in the uniform generic degrees. This fact contrasts with Igusa’s result that there are no minimal pairs for relative generic computability, and answers a basic structural question mentioned in several papers in the are... |
---
author:
- |
Jonathan Vacher\
CNRS UNIC and Ceremade\
Univ. Paris-Dauphine\
75775 Paris Cedex 16, FRANCE\
`vacher@ceremade.dauphine.fr`\
Andrew Isaac Meso\
Institut de Neurosciences de la Timone\
UMR 7289 CNRS/Aix-Marseille Université\
13385 Marseille Cedex 05, FRANCE\
`andrew... |
---
bibliography:
- 'ref.bib'
---
=-0.2cm =-0.2cm 0.0cm =0.0cm =0.0cm =0.0cm =2.0cm 0.6cm 0.0cm
------------------------------------------------------------------------
[**Polaronic effects in strongly coupled electron-phonon systems:\
Exact diagonalization results for the 2D Holstein t–J model\
**]{} H. Fehske, G. ... |
---
abstract: 'It is known that the spectral type of the almost Mathieu operator depends in a fundamental way on both the strength of the coupling constant and the arithmetic properties of the frequency. We study the competition between those factors and locate the point where the phase transition from singular continu... |
---
abstract: 'We notice that the “password security” discourse is missing the most fundamental notion of the [*password strength*]{} – it was never properly defined. We propose a canonical definition of the [*password strength*]{}, based on the assessment of the efficiency of a set of possible guessing attack. Unlike ... |
---
abstract: 'We present a spectral line survey of the C-rich envelope in the $\lambda$ 2mm and 1.3mm bands carried out with the Arizona Radio Observatory (ARO) 12m telescope and the Heinrich Hertz Submillimeter Telescope (SMT). The observations cover the frequency ranges of 131–160GHz, 219–244GHz, and 252–268GHz with... |
---
abstract: 'We use a high resolution cosmological zoom simulation of a Milky Way-sized halo to study the observable features in velocity and metallicity space associated with the dynamical influence of spiral arms. For the first time, we demonstrate that spiral arms, that form in a disc in a fully cosmological envir... |
---
abstract: 'We show that in the loop-erased random walk problem, the exponent characterizing probability distribution of areas of erased loops is superuniversal. In $d$-dimensions, the probability that the erased loop has an area $A$ varies as $A^{-2}$ for large $A$, independent of $d$, for $2 \le d \le 4$. We estim... |
---
abstract: 'We present the results of a search for optical counterparts to the two quiescent low mass X-ray binaries (X5 and X7) in the globular cluster 47 Tucanae, using high quality [[*Chandra*]{}]{} and [[*HST*]{}]{} images. A faint blue ($V=21.7$; $U-V=0.9$) star within 003 of the eclipsing system X5 shows varia... |
---
abstract: 'Recently, a Dirac (particle-hole symmetric) description of composite fermions in the half-filled Landau level (LL) was proposed \[D. T. Son, Phys. Rev. X [**5**]{}, 031027 (2015)\], and we study its possible consequences on BCS (Cooper) pairing of composite fermions (CF’s). One of the main consequences i... |
---
abstract: |
We have used the full radial extent of images from the [*Hubble Space Telescope*]{}’s Advanced Camera for Surveys and Wide Field Planetary Camera 2 to extract surface brightness profiles from a sample of six, local lenticular galaxy candidates. We have modelled these profiles using a core-Sérsic bul... |
---
abstract: 'We study analytical aspects of a generic $q$-deformation with $q$ real, by relating it with discrete scale invariance. We show how models of conformal quantum mechanics, in the strong coupling regime and after regularization, are also discrete scale invariant. We discuss the consequences of their distinc... |
---
abstract: 'Local and global properties of minimal solutions for the heat equation generated by the Dirichlet fractional Laplacian negatively perturbed by Hardy’s potentials on open subsets of $\R^d$ are analyzed. As a byproduct we obtain instantaneous blow-up of nonnegative solutions in the supercritical case.'
aut... |
---
abstract: |
We study optical and X-ray properties of the ultraluminous IRAS galaxy 10026+4347. This galaxy is a narrow-line QSO with very strong FeII emission. Three optical spectra were taken over two years. The full widths at half maximum (FWHMs) of the emission lines are constant whereas the third spectrum s... |
---
abstract: 'We develop a Distributed Event-Triggered Stochastic GRAdient Descent (DETSGRAD) algorithm for solving non-convex optimization problems typically encountered in distributed deep learning. We propose a novel communication triggering mechanism that would allow the networked agents to update their model para... |
---
abstract: 'We consider an ensemble of globally coupled phase oscillators whose interaction is transmitted at finite speed. This introduces time delays, which make the spatial coordinates relevant in spite of the infinite range of the interaction. We show that one-dimensional arrays synchronize in an asymptotic stat... |
---
abstract: 'The cavitation threshold of polydimethylsiloxane (silicone) oils was studied using the planar impact of flyer plates to generate large transient negative pressures within the liquids. The plate-impact experiments used a 64-mm-bore gas-gun to launch thin sabot-supported flyer plates onto liquid capsule ta... |
---
abstract: 'We develop a theory of electron-photon interaction for helical edge channels in two-dimensional topological insulators based on zinc-blende-type quantum wells. It is shown that the lack of space inversion symmetry in such structures enables the electro-dipole optical transitions between the spin branches... |
---
abstract: |
The electronic structure of SrBi$_2$Ta$_2$O$_9$ is investigated from first-principles, within the local density approximation, using the full-potential linearized augmented plane wave (LAPW) method. The results show that, besides the large Ta(5d)-O(2p) hybridization which is a common feature of the ... |
---
author:
- |
Alex Buchel\
*Department of Applied Mathematics\
*University of Western Ontario\
*London, Ontario N6A 5B7, Canada\
*Perimeter Institute for Theoretical Physics\
*Waterloo, Ontario N2J 2W9, Canada*****
date: January 2008
title: '**Shear viscosity of boost invariant plasma at finit... |
---
abstract: '[We have accumulated multiwavelength lightcurves for eight black hole X-ray binaries which have been observed to enter a supposed “soft X-ray transient” outburst, but which in fact remained in the low/hard state throughout the outburst. Comparison of the lightcurve morphologies, spectral behaviour, prope... |
---
abstract: 'MAGIC is currently the world’s largest single dish ground based imaging atmospheric Cherenkov telescope. During the first year of operation, more than 20 extragalactic sources have been observed and several of them detected. Here we present results of analyzed data, including discussion about spectral an... |
---
author:
- |
Dominic Jones, Henrik Jeldtoft Jensen\
[Institute of Mathematical Sciences, Imperial College London]{}\
[London SW7 2PG, UK]{}\
[and]{}\
[Department of Mathematics, Imperial College London]{}\
[London SW7 2AZ, UK]{}\
Paolo Sibani\
title: Mutual information in the Tangled Natu... |
---
abstract: |
We present a conjecture (and a proof for $G=SL(2)$) generalizing a result of J. Arthur which expresses a character value of a cuspidal representation of a $p$-adic group as a weighted orbital integral of its matrix coefficient. It also generalizes a conjecture by the second author proved by Schneide... |
---
abstract: |
The *segment number* of a planar graph is the smallest number of line segments whose union represents a crossing-free straight-line drawing of the given graph in the plane. The segment number is a measure for the visual complexity of a drawing; it has been studied extensively.
In this paper, we... |
---
address:
- 'Instituto de Matemáticas (Unidad Cuernavaca), Universidad Nacional Autónoma de México, A.P. 273-3 Admon. de correos no. 3, Cuernavaca, Morelos, MEXICO'
- 'Mathematics Department, United States Naval Academy, 572C Holloway Road, Annapolis MD 21402, USA'
author:
- Jacob Mostovoy
- Theodore Stanford
title:... |
---
abstract: 'The standard method of generating random weights and biases in feedforward neural networks with random hidden nodes, selects them both from the uniform distribution over the same fixed interval. In this work, we show the drawbacks of this approach and propose a new method of generating random parameters.... |
---
abstract: 'The $dd\to ^3He n$ reaction is considered at the energies between 200 MeV and 520 MeV. The Alt-Grassberger-Sandhas equations are iterated up to the lowest order terms over the nucleon-nucleon t-matrix. The parameterized ${^3He}$ wave function including five components is used. The angular dependence of t... |
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