text stringlengths 4 2.78M |
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---
abstract: 'The main result of this paper is that a pseudoperiodic automorphism on an oriented surface with boundary such that a power of it is a composition of positive Dehn twists around disjoint simple closed curves including all boundary components, admits itself a positive factorization. The main ingredients of... |
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abstract: 'Genetic differences between individuals associated to quantitative phenotypic traits, including disease states, are usually found in non-coding genomic regions. These genetic variants are often also associated to differences in expression levels of nearby genes (they are “expression quantitative trait lo... |
---
abstract: 'We provide an extension of a recent approach to study non-equilibrium thermodynamics \[Phys. Rev. E **81**, 051130 (2010), to be denoted by I in this work\] to inhomogeneous systems by considering the latter to be composed of quasi-independent subsystems. The system $\Sigma$ along with the (macroscopical... |
---
abstract: 'In this paper, we introduce some explicit approximations for the summation $\sum_{k\leq n}\Omega(k)$, where $\Omega(k)$ is the total number of prime factors of $k$.'
address:
- 'Mohammad Avalin Charsooghi, Yousof Azizi and Laleh Mollazadeh-Beidokhti, Department of Physics, Institute for Advanced Studies ... |
---
abstract: 'It is shown that the collective nonlinear interactions between intense neutrino or anti-neutrino fluxes and a dense neutrino plasma are governed by a multi-dimensional coupled cubic Schrödinger equation in which the interaction potential is positive or negative depending on the neutrino type. The cubic S... |
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abstract: 'A solid-on-solid model is proposed to describe faceting of bcc(111) metal surface induced by a metal overlayer. It is shown that the first order phase transition occurs between faceted {211} or {110} and disordered phases. The ordered phases consist of large 3-sided pyramids with {211} facets or {110} fa... |
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abstract: 'The tracer equations are part of the primitive equations used in ocean modeling and describe the transport of tracers, such as temperature, salinity or chemicals, in the ocean. Depending on the number of tracers considered, several equations may be added to and coupled to the dynamics system. In many rel... |
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abstract: |
Feature construction can substantially improve the accuracy of Machine Learning (ML) algorithms. Genetic Programming (GP) has been proven to be effective at this task by evolving non-linear combinations of input features. GP additionally has the potential to improve ML explainability since explicit ... |
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abstract: 'In this manuscript, we discuss the use of describing functions as a systematic approach to the analysis and design of oscillators. Describing functions are traditionally used to study the stability of nonlinear control systems, and have been adapted for analyzing LC oscillators. We show that they can be ... |
[**M. Zra[ł]{}ek**]{}\
\
\
The problem if existing neutrinos are Dirac or Majorana particles is considered in a very pedagogical way. After a few historical remarks we recall the theoretical description of neutral spin 1/2 particles, emphasizing the difference between chirality and helicity which is important in our d... |
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author:
- |
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\
\
\
title: 'What season suits you best? Seasonal light changes and cyanobacterial competition.'
---
Nearly all living organisms, including some bacterial species, exhibit biological processes with a period of about 24 h called circadian (from the Latin circa, about, dies... |
---
abstract: 'Characteristic integrals of Toda field theories associated to simple Lie algebras are presented in the most explicit forms, both in terms of the formulas and in terms of the proofs.'
address: 'Department of Mathematics and Statistics, Utah State University, Logan, UT 84322-3900'
author:
- Zhaohu Nie
date... |
---
abstract: 'We used VLT/XShooter to target a sample of nearby analogs of Lyman Break Galaxies (LBGs). These Lyman Break Analogs (LBAs) are similar to the LBGs in many of their physical properties. We determine electron temperatures using the weak [\[O[iii]{}\]$\lambda$4363]{} emission line, and determine the oxygen ... |
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abstract: 'We introduce an approach to computing the free energy of quasicrystals, which we use to calculate phase diagrams for systems of two-dimensional patchy particles with five regularly arranged patches that have previously been shown to form dodecagonal quasicrystals. We find that the quasicrystal is a therm... |
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abstract: 'The effects of the sample’s boundaries in the magnetic response of the charged anyon fluid at finite temperature are investigated. For the case of an infinite-strip sample it is shown that the Meissner effect takes place at temperatures lower than the fermion energy gap $\omega _{c}$. The temperature dep... |
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abstract: 'At the beginning of the 4 November 2015 flare, in the 1300 – 2000 MHz frequency range, we observed a very rare slowly positively drifting burst. We searched for associated phenomena in simultaneous EUV observations made by IRIS, SDO/AIA, Hinode/XRT and in H$_\alpha$ observations. We found that this radio... |
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abstract: 'Kinematical models are constrained by the latest observational data from geometry-distance measurements, which include 557 type Ia supernovae (SNIa) Union2 data and 15 observational Hubble data. Considering two parameterized deceleration parameter, the values of current deceleration parameter $q_{0}$, je... |
---
abstract: |
We consider the the $n$-dimensional generalisation of the nonholonomic Veselova problem. We derive the reduced equations of motion in terms of the mass tensor of the body and determine some general properties of the dynamics. In particular we give a closed formula for the invariant measure, we indic... |
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abstract: |
For a lattice $L$ of ${\ensuremath{\mathbb{R}}}^n$, a sphere $S(c,r)$ of center $c$ and radius $r$ is called [*empty*]{} if for any $v\in L$ we have $\Vert v - c\Vert \geq r$. Then the set $S(c,r)\cap L$ is the vertex set of a [*Delaunay polytope*]{} $P=\operatorname{conv}(S(c,r)\cap L)$. A Delaunay... |
---
author:
- Yoritaka Iwata
title: Phase diagram of dilute cosmic matter
---
Introduction
============
Nuclear pasta, whose existence and role were suggested in association with the collapse driven supernova explosions [@watanabe; @sowa], is of great importance with respect to the astrophysical synthesis of chemical... |
---
author:
- 'F. M. Dunlop, P. A. Ferrari, L. R. G. Fontes'
title: |
A dynamic one-dimensional interface\
interacting with a wall
---
¶[[P]{}]{} [**H**]{} &=&
[**Abstract.**]{} We study a symmetric randomly moving line interacting by exclusion with a wall. We show that the expectation of the position of the ... |
---
abstract: 'The interaction between a photon and a qubit in the Janeys-Cummings (JC) model generates a kind of quasiparticle called polariton. While they are widely used in quantum optics, difficulties in engineering controllable coupling of them severely limit their applications to simulate spinful quantum systems.... |
---
abstract: 'A proof based on the Chern-Gauss-Bonnet Theorem is given to Hopf Theorem concerning the degree of the Gauss map of a hypersurface in ${{\mathbb R}}^n$.'
address: 'Universidade Federal do Ceará, Fortaleza, CE, Brasil'
author:
- Daniel Cibotaru
title: A short proof of a Theorem by Hopf
---
Introduction
=... |
---
abstract: 'We present two classes of stars with yet unknown evolutionary phase: the B\[e\] supergiants and the so-called unclassified B\[e\] stars. While the B\[e\] supergiants are luminous post-main sequence stars with high mass progenitors, not much is known of the unclassified stars. We discuss how it might be p... |
---
abstract: 'The paper gives a comprehensive presentation of a framework, embedded into the simply typed higher-order logic, and aimed at providing a sound assistance in formal reasoning about models of imperative programs with interleaved computations. As a case study, a model of the Peterson’s mutual exclusion algo... |
---
abstract: 'In this work we consider general fermion systems in two spatial dimensions, both with and without charge conservation symmetry, which realize a non-trivial fermionic topological order with only Abelian anyons. We address the question of precisely how these quantum phases differ from their bosonic counter... |
---
author:
- Jianqiang Zhao
title: Standard Relations of Multiple Polylogarithm Values at Roots of Unity
---
[Department of Mathematics, Eckerd College, St. Petersburg, FL 33711]{}
0.6cm
[**Abstract.**]{} Let $N$ be a positive integer. In this paper we shall study the special values of multiple polylogarithms at $N... |
There has been a tremendous amount of work on mean field calculations for disordered systems in the past 20 years, in part driven by the exact solution provided by Parisi’s replica symmetry breaking Ansatz. Although his solution was developed in the context of spin glasses, the formalism has been extremely useful for u... |
---
address: |
LACL, UMR-FRE 2673, Université Paris 12, Route forestière Hurtault, F-77300 Fontainebleau, France,\
cegielski@univ-paris12.fr\
LIAFA, UMR 7089 and Université Paris 6, 2 Place Jussieu, 75254 Paris Cedex 5, France; send correspondence to ig@liafa.jussieu..fr\
Steklov Institute of Mathemati... |
---
abstract: |
In this paper, we propose two analytical preconditioning strategies. One is parameter independent and easy to implement, the other one has the traditional affinity with respect to the parameters which allows for efficient implementation through an offline-online decomposition. Overall, the precondit... |
---
abstract: 'We consider two varieties of labeled rooted trees, and the probability that a vertex chosen from all vertices of all trees of a given size uniformly at random has a given rank. We prove that this probability converges to a limit as the tree size goes to infinity.'
address: |
M. Bóna, Department of Ma... |
---
abstract: |
The purpose of this article is to give a rather thorough understanding of the compact support property for measure-valued diffusion processes corresponding to semi-linear equations of the form $$\begin{aligned}& u_t=Lu+\beta u-\alpha u^p \ \ \text{in} \ R^d\times (0,\infty),
\ p\in(1,2];\\
... |
---
abstract: 'We present formulae for computing the Yamada polynomial of spatial graphs obtained by replacing edges of plane graphs, such as cycle-graphs, theta-graphs, and bouquet-graphs, by spatial parts. As a corollary, it is shown that zeros of Yamada polynomials of some series of spatial graphs are dense in a cer... |
---
author:
- Chandrayee Basu
- Mukesh Singhal
- 'Anca D. Dragan'
bibliography:
- 'featurequery.bib'
title: 'Learning from Richer Human Guidance: Augmenting Comparison-Based Learning with Feature Queries'
---
|
[**Proof of two supercongruences by the Wilf-Zeilberger method**]{}
Guo-Shuai Mao
[$^1$Department of Mathematics, Nanjing University of Information Science and Technology, Nanjing 210044, People’s Republic of China\
[maogsmath@163.com ]{} ]{}
0.7cm [**Abstract.**]{} In this paper, we prove two supercongruences by th... |
---
abstract: |
We study some properties of the randomized series and their applications to the geometric structure of Banach spaces. For $n\ge
2$ and $1<p<\infty$, it is shown that $\ell_\infty^n$ is representable in a Banach space $X$ if and only if it is representable in the Lebesgue-Bochner $L_p(X)$. New cr... |
---
author:
- |
Tyler Seacrest[^1]\
`t_seacrest@umwestern.edu`
bibliography:
- '2ndNeighborhood.bib'
title: 'The Arc-Weighted Version of the Second Neighborhood Conjecture'
---
Introduction
============
Unless otherwise noted, all digraphs in this paper are oriented simple graphs, and thus do not contain loop... |
---
abstract: 'Let $n\ge 5$ and $k\ge 4$ be positive integers. We determine the maximum size of digraphs of order $n$ that avoid distinct walks of length $k$ with the same endpoints. We also characterize the extremal digraphs attaining this maximum number when $k\ge 5$.'
author:
- 'Zejun Huang,[^1] Zhenhua Lyu,[^2] ... |
---
abstract: 'We argue that the inference of CP violation in experiments involving the $K^0 - \bar{K^0}$ system in weak interactions of particle physics is facilitated by the assumption of particle trajectories for the decaying particles and the decay products. A consistent explanation in terms of such trajectories is... |
---
abstract: 'We present an overview of some of our recent results on the existence of rays of minimal growth for elliptic cone operators and two new results concerning the necessity of certain conditions for the existence of such rays.'
address:
- |
3000 Ivyside Park\
Penn State Altoona\
Altoona, PA 16601... |
---
abstract: 'We generalize a theorem of Chifan and Ioana by proving that for any, possibly type III, amenable von Neumann algebra $A_0$, any faithful normal state $\varphi_0$ and any discrete group $\Gamma$, the associated Bernoulli crossed product von Neumann algebra $M=(A_0,\varphi_0)^{{\mathbin{\overline{\otimes}}... |
---
abstract: |
In this work we present a novel unsupervised framework for hard training example mining. The only input to the method is a collection of images relevant to the target application and a meaningful initial representation, provided by pre-trained CNN. Positive examples are distant points on a single ma... |
---
abstract: 'For simple hypergraphs, we characterize minimal vertex covers of maximum cardinality in terms of bouquet partial hypergraphs. We apply this to resolutions of edge ideals, giving a new combinatorial characterization on the bounds of projective dimension of monomial ideals.'
author:
- 'Nursel Erey[^1]'
bib... |
---
abstract: 'We assess and develop techniques to remove contaminants when calculating the 3D galaxy power spectrum. We separate the process into three separate stages: (i) removing the contaminant signal, (ii) estimating the uncontaminated cosmological power spectrum, (iii) debiasing the resulting estimates. For (i),... |
---
abstract: 'Two high performance coronagraphic approaches compatible with segmented and obstructed telescope pupils are described. Both concepts use entrance pupil amplitude apodization and a combined phase and amplitude focal plane mask to achieve full coronagraphic extinction of an on-axis point source. While the ... |
---
author:
- 'Weikai Yang[^1], Zhen Li$^{*}$, Mengchen Liu[^2], Yafeng Lu[^3], Kelei Cao$^{*}$, Ross Maciejewski[^4], Shixia Liu$^{*}$'
bibliography:
- 'DriftVis-VIS2020.bib'
title: Diagnosing Concept Drift
---
[^1]: e-mail:{{ywk19, liz11, ckl17}@mails., shixia@}tsinghua.edu.cn. Weikai Yang and Zhen Li are joint fir... |
---
author:
- 'A. Suárez Mascareño'
- 'J. I. González Hernández'
- 'R. Rebolo'
- 'N. Astudillo-Defru'
- 'X. Bonfils'
- 'F. Bouchy'
- 'X.Delfosse'
- 'T. Forveille'
- 'C. Lovis'
- 'M. Mayor'
- 'F. Murgas'
- 'F. Pepe'
- 'N. C. Santos'
- 'S. Udry'
- 'A. Wünsche'
- 'S. Velasco'
bibliography:
- 'RHK\_ref.bib'
date: 'Written ... |
---
author:
- |
[**Mohamed Ben Ayed** ]{}\
[*Department de Mathematiques*]{},\
[*Faculte des Sciences de Sfax*]{}, [*Route Soukra, Sfax, Tunisia*]{}\
[*e-mail: Mohamed.Benayed@fst.rnu.tn*]{}\
[**Khalil El Mehdi** ]{}\
[*Centre de Math[é]{}matique* ]{},\
[*Ecole Polytechnique*]{}, [*91128 Pal... |
---
abstract: 'We revisit experimental studies performed by Ekman on dead-water [@bib:Ekman1904] using modern techniques in order to present new insights on this peculiar phenomenon. We extend its description to more general situations such as a three-layer fluid or a linearly stratified fluid in presence of a pycnocli... |
---
abstract: 'The best way to search for new physics is by using a diverse set of probes - not just experiments at the energy and the cosmic frontiers, but also the low-energy measurements relying on high precision and high luminosity. One example of such ultra-precision experiments is the MOLLER experiment planned at... |
---
abstract: 'We consider a modification to the standard cosmological history consisting of introducing a new species $\phi$ whose energy density red-shifts with the scale factor $a$ like $\rho_\phi \propto a^{-(4+n)}$. For $n>0$, such a red-shift is faster than radiation, hence the new species dominates the energy bu... |
---
abstract: |
The nonlinear dynamics of an obliquely oriented wave packet at sea surface is studied both analytically and numerically for various initial parameters of the packet, in connection with the problem of oceanic rogue waves. In the framework of Gaussian variational ansatz applied to the corresponding (1... |
---
abstract: 'We demonstrate slowing and longitudinal cooling of a supersonic beam of CaF molecules using counter-propagating laser light resonant with a closed rotational and almost closed vibrational transition. A group of molecules are decelerated by about 20m/s by applying light of a fixed frequency for 1.8ms. The... |
---
abstract: |
Let $T$ be a smooth homogeneous Calderón-Zygmund singular integral operator in ${{\mathbb R}^n}$. In this paper we study the problem of controlling the maximal singular integral $T^{\star}f$ by the singular integral $Tf$. The most basic form of control one may consider is the estimate of the $L^2({{... |
---
abstract: 'The Ernst–like matrix representation of the multidimensional Einstein–Kalb–Ramond theory is developed and the O(d,d)–symmetry is presented in the matrix–valued $SL(2,R)$–form. The analogy with the Einstein and Einstein–Maxwell–Dilaton–Axion theories is discussed.'
address:
- |
Joint Institute for Nuc... |
---
abstract: 'Quantum money is a cryptographic protocol in which a mint can produce a quantum state, no one else can copy the state, and anyone (with a quantum computer) can verify that the state came from the mint. We present a concrete quantum money scheme based on superpositions of diagrams that encode oriented lin... |
---
abstract: 'Cotunneling is an important error process in the application of single electron tunneling devices for metrological and electronic applications. Here we present an experimental investigation of the theory for adiabatic enhancement of cotunneling by coherent microwaves. The dependence is investigated as fu... |
---
abstract: |
The [$\gamma$-rays ]{}from [$\gamma$-ray ]{}bursts (GRBs) are believed to be produced by internal shocks driven by small timescale, $\sim1$ ms, variation in the GRB outflows, and a pair-production spectral cutoff is generally expected around the GeV range. However, the observed optical flashes accom... |
---
abstract: 'We present a combined analysis of neutron scattering and photoemission measurements on superconducting [FeSe$_{0.5}$Te$_{0.5}$]{}. The low-energy magnetic excitations disperse only in the direction transverse to the characteristic wave vector $(\frac12,0,0)$, whereas the electronic Fermi surface near $(\... |
---
abstract: 'In this paper we prove Homological Projective Duality for categorical resolutions of several classes of linear determinantal varieties. By this we mean varieties that are cut out by the minors of a given rank of a $m\times n$ matrix of linear forms on a given projective space. As applications, we obtain ... |
---
abstract: 'We analyze two-particle pseudorapidity correlations in a simple model, where strings of fluctuating length are attached to wounded nucleons. The obtained straightforward formulas allow us to understand the anatomy of the correlations, i.e., to identify the component due to the fluctuation of the number o... |
---
abstract: 'We propose a general model, Multi-Average Ion Collisional-Radiative Model (MAICRM), to rapid simulate the ionization and population distributions of hot dense plasmas. In MAICRM, the orbital occupation numbers of ions at the same charge stage are averaged and determined by the excitation and de-excitatio... |
---
abstract: 'The stability of a system of $N$ equal sized mutually gravitating spheres resting on each other in a straight line and rotating in inertial space is considered. This is a generalization of the “Euler Resting” configurations previously analyzed in the finite density 3 and 4 body problems. Specific questio... |
---
abstract: 'Click-through rate prediction is an essential task in industrial applications, such as online advertising. Recently deep learning based models have been proposed, which follow a similar Embedding&MLP paradigm. In these methods large scale sparse input features are first mapped into low dimensional embedd... |
---
abstract: 'It is shown that the barbell distribution of a gas of relativistic molecules above its critical temperature, can be interpreted as an antifragile response to the relativistic constraint of subluminal propagation.'
author:
- 'Sauro Succi [^1]'
title: Relativistic antifragility
---
Introduction {#intro}
=... |
---
abstract: 'We consider a class of nonsmooth optimization problems over Stefiel manifold, which are ubiquitous in engineering applications but still largely unexplored. We study this type of nonconvex optimization problems under the settings that the function is weakly convex in Euclidean space and locally Lipschitz... |
---
abstract: 'The response functions for the unpolarized $(e,e''p)$ and polarized $(\vec{e},e''p)$ reaction are calculated for medium-heavy nuclei under quasifree conditions. The formalism presented here incorporates two-body currents related to meson-exchange and the $\Delta (1232)$ excitation. The final-state intera... |
---
abstract: 'We propose a degree–based coarse graining approach that not just accelerates the evaluation of dynamics on complex networks, but also satisfies the consistency conditions for both equilibrium statistical distributions and nonequilibrium dynamical flows. For the Ising model and Susceptible-Infected-Suscep... |
---
abstract: 'Given a compact Riemannian spin manifold with positive scalar curvature, we find a family of connections $\nabla^{A_t}$ for $t\in[0,1]$ on a trivial vector bundle of sufficiently high rank, such that the first eigenvalue of the twisted Dirac operator $D_{A_t}$ is nonzero and becomes arbitrarily small as ... |
---
abstract: 'We propose a new method of estimation of the black hole masses in AGN based on the normalized excess variance, . We derive a relation between , the length of the observation, , the light curve bin size, $\Delta t$, and the black hole mass, assuming that (i) the power spectrum above the high frequency bre... |
---
abstract: 'The relationship between galaxies and the state/chemical enrichment of the warm-hot intergalactic medium (WHIM) expected to dominate the baryon budget at low-$z$ provides sensitive constraints on structure formation and galaxy evolution models. We present a deep redshift survey in the field of 1ES1553$+$... |
---
abstract: 'The reachability problem in cooperating systems is known to be PSPACE-complete. We show here that this problem remains PSPACE-complete when we restrict the communication structure between the subsystems in various ways. For this purpose we introduce two basic and incomparable subclasses of cooperating sy... |
---
abstract: 'Birefringent metasurfaces are two-dimensional structures capable of independently controlling the amplitude, phase and polarization of orthogonally polarized incident waves. In this work, we propose a in-depth discussion on the mathematical synthesis of such metasurfaces. We compare two methods, one that... |
---
abstract: 'The electricity consumption forecasting is a critical component of the intelligent power system. And accurate monthly electricity consumption forecasting, as one of the the medium and long term electricity consumption forecasting problems, plays an important role in dispatching and management for electri... |
---
abstract: 'In Higgsless models, new vector resonances appear to restore the unitarity of the $W_L W_L$ scattering amplitude without the Higgs boson. In the ideal delocalized three site Higgsless model, one of large production cross section of the neutral vector resonance ($Z^{\prime}$) at the Large Hadron Collider ... |
---
abstract: 'In a quasi-two-dimensional $ p $-wave superconductor there find six Cooper pairing states which are degenerate within the weak-coupling approach. We show that this degeneracy can be lifted by feedback effect favoring the so-called chiral $ p $-wave state. This effect is based on the anomalous coupling be... |
---
abstract: 'The black-hole binary, V404 Cygni, went into outburst in June 2015, after 26 years of X-ray quiescence. We observed the outburst with the Neil Gehrels [*Swift*]{} observatory. We present optical/UV observations taken with the [*Swift*]{} Ultra-violet Optical Telescope, and compare them with the X-ray obs... |
---
abstract: 'Non-perturbative constraints on many body physics–such as the famous Lieb-Schultz-Mattis theorem–are valuable tools for studying strongly correlated systems. To this end, we present a number of non-perturbative results that constrain the low-energy physics of systems having conserved dipole moments. We f... |
---
abstract: 'Using methods of differential geometry, a discrete analog of the Yang-Mills equations in Minkowski space is constructed. The gauge transformation law in a discrete formulation is given and gauge invariance of discrete Yang-Mills equations is studied. Difference self-dual and anti-self-dual equations with... |
---
abstract: 'We describe a prototype of a new experimental GeoGebra command and tool `Discover` that analyzes geometric figures for salient patterns, properties, and theorems. This tool is a basic implementation of automated discovery in elementary planar geometry. The paper focuses on the mathematical background of ... |
---
address: 'Massachusetts Institute of Technology, Cambridge, MA 02139'
author:
- 'Maurice H.P.M. van Putten'
title: 'Nonlinear wave equations for numerical relativity: towards the computation of gravitational wave forms of black hole binaries'
---
\#1\#2\#3\#4[[\#1]{} [**\#2**]{}, \#3 (\#4)]{}
Introduction
=======... |
---
author:
- 'Michael Blaser$^{*}$, Tristan Rivière[^1]'
title: A Minimality property for entropic solutions to scalar conservation laws in $1+1$ dimensions
---
Introduction
============
We consider solutions to the following equation $$\label{scl}
\left .
\begin{array}{rclcl}
\partial_{t}u+\partial_{x}f(u)& =&0&\m... |
---
abstract: 'We introduce a novel view to understand how dropout works, and propose a new neural network training method named *internal node bagging*, which explicitly forces a group of nodes to learn a certain feature in train time and combine those nodes to be one node in test time. It means we can use much more p... |
[ **Deterministic and stochastic aspects of the transition to turbulence**]{}
Baofang Song$^{1,2}$ and Björn Hof$^{1,2}$\
[$^{1}$ IST Austria (Institute of Science and Technology Austria), 3400 Klosterneuburg, Austria\
$^{2}$ Max Planck Institute for Dynamics and Self-Organization, Bunsenstrasse 10, Göttingen, German... |
---
abstract: 'We investigate possibilities of solar coronal heating by acoustic waves generated not at the photosphere but in the corona, aiming at heating in the mid- to low-latitude corona where the low-speed wind is expected to come from. Acoustic waves of period $\tau\sim 100$s are triggered by chromospheric recon... |
---
abstract: 'Chevalley’s theorem on the images of morphisms of schemes and the principle of quantifier elimination for the theory of algebraically closed fields are widely understood to be two perspectives on the same theorem. In this paper, we demonstrate that both results can easily be proven simultaneously, using ... |
---
abstract: 'Recently, a new domino signal encryption algorithm (DSEA) was proposed for digital signal transmission, especially for digital images and videos. This paper analyzes the security of DSEA, and points out the following weaknesses: 1) its security against the brute-force attack was overestimated; 2) it is n... |
---
author:
- Siegfried Röser
- Elena Schilbach
bibliography:
- 'mybib.bib'
date: 'Received 20 March 2019; accepted 16 April 2019.'
title: 'Praesepe (NGC 2632) and its tidal tails.'
---
[Within a 400 pc sphere around the Sun, we search for Praesepe’s tidal tails in the Gaia DR2 dataset.]{} [We used a modified converge... |
---
abstract: 'This paper reviews the results obtained so far with the newly developed tomographic technique, which probes the velocity field across the atmosphere of long-period variable (LPV) stars. The method cross-correlates the optical spectrum with numerical masks constructed from synthetic spectra and probing la... |
---
abstract: 'We present an illative system ${\ensuremath{{\cal I}}}_s$ of classical higher-order logic with subtyping and basic inductive types. The system ${\ensuremath{{\cal I}}}_s$ allows for direct definitions of partial and general recursive functions, and provides means for handling functions whose termination ... |
---
abstract: 'Low-rank matrix completion is a problem of immense practical importance. Recent works on the subject often use nuclear norm as a convex surrogate of the rank function. Despite its solid theoretical foundation, the convex version of the problem often fails to work satisfactorily in real-life applications.... |
---
abstract: 'Inspired by the experimental results of Cuevas [*et al.*]{} (Physical Review Letters [**102**]{}, 224101 (2009)), we consider theoretically the behaviour of a chain of planar rigid pendulums suspended in a uniform gravitational field and subjected to a horizontal periodic driving force applied to the pen... |
---
abstract: 'We prove under some assumptions that the Tate conjecture holds for products of Fermat varieties of different degrees. The method is to use a combinatorial property of eigenvalues of geometric Frobenius acting on $\ell$-adic étale cohomology.'
author:
- 'Rin Sugiyama[^1]'
title: Tate conjecture for produc... |
---
abstract: 'We consider a system of two species of bosons of equal mass, with interactions $U^{a}(|{\mathbf{x}}|)$ and $U^{x}(|{\mathbf{x}}|)$ for bosons of the same and different species respectively. We present a rigorous proof–valid when the Hamiltonian does not include a species switching term–showing that, when... |
---
abstract: 'The recent data for Bose-Einstein Correlations (BEC) of three-charged particles obtained by NA44 Collaboration have been analysed using theoretical formula with Coulomb wave functions. It has been recently proposed by Alt et al. It turns out that there are discrepancies between these data and the respect... |
---
abstract: 'Convolutional Neural Networks (CNNs) exhibit remarkable performance in various machine learning tasks. As sensor-equipped Internet of Things (IoT) devices permeate into every aspect of modern life, the ability to execute CNN inference, a computationally intensive application, on resource constrained devi... |
---
author:
- 'N. Peretto'
- 'G. A Fuller'
- 'A. A Zijlstra'
- 'N. A. Patel'
title: The massive expanding molecular torus in the planetary nebula NGC 6302
---
[We measure the mass and kinematics of the massive molecular torus in the planetary nebula NGC 6302. The nebula is the proto-typical butterfly nebula. The origi... |
---
abstract: |
We consider the Cauchy problem for the evolutive discrete $p$-Laplacian in infinite graphs, with initial data decaying at infinity. We prove optimal sup and gradient bounds for nonnegative solutions, when the initial data has finite mass, and also sharp evaluation for the confinement of mass, i.e., ... |
---
abstract: 'We analyze the electric power load in the Czech Republic (CR) which exhibits a seasonality as well as other oscillations typical for European countries. Moreover, we detect 1/f noise property of electrical power load with extra additional peaks that allows to separate it into a deterministic and stochast... |
---
abstract: 'We explore from a theoretical point of view pump and probe (P&P) analysis for fission of metal cluster where probe pulses are generalized to allow for scanning various frequencies. We show that it is possible to measure the time the system needs to develop to scission. This is achieved by a proper choice... |
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