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The Seyfert 1 galaxy Zw 229-015 is among the brightest active galaxies being monitored by the Kepler mission. In order to determine the black h…
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We introduce the product by generators of complex nilpotent Lie algebras, which is a commutative product obtained from a central extension of t…
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Latest: Nov. 30, 2020, 2:43 a.m.
According to the universally accepted concept of the development of life on the Earth, multicellular organisms initially emerged as a result of…
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Latest: Nov. 30, 2020, 2:14 a.m.
We study the effects of box size on ENZO simulations of the intergalactic medium (IGM) at z = 2. We follow statistics of the cold dark matter (…
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Latest: Nov. 30, 2020, 2:41 a.m.
We show that if $B \subset \mathbb{R}^n$ and $E \subset A(n,k)$ is a nonempty collection of $k$-dimensional affine subspaces of $\mathbb{R}^n$ …
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Latest: Nov. 30, 2020, 2:43 a.m.
This article generalize the classical Goldstine-Weston theorem on normed spaces to one on random normed modules: the image of a random normed m…
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Latest: Nov. 30, 2020, 2:43 a.m.
The classical continued fraction is generalized for studying the rational approximation problem on multi-formal Laurent series in this paper, t…
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Latest: Nov. 30, 2020, 1:53 a.m.
Physicians taking care of patients with coronavirus disease (COVID-19) have described different changes in routine blood parameters. However, t…
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Latest: Nov. 30, 2020, 2:14 a.m.
We prove the four-dimensional Gaussian random vector maximum conjecture. This conjecture asserts that among all centered Gaussian random vector…
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Latest: Nov. 30, 2020, 2:27 a.m.
We present 40 fully hydrodynamical numerical simulations of the intergalactic gas that gives rise to the Ly-alpha forest. We make artificial sp…
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Latest: Nov. 30, 2020, 2:41 a.m.
Let G be a non-elementary, finitely generated Kleinian group, Lambda(G) its limit set and Omega(G) = S \ Lambda(G) (S = the sphere) its set of …
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Latest: Nov. 30, 2020, 2:42 a.m.
We investigate the early phase of the 13 February 2009 coronal mass ejection (CME). Observations with the twin STEREO spacecraft in quadrature …
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Latest: Nov. 30, 2020, 2:42 a.m.
This paper shows how the dips and secular dimming in the KIC8462852 light curve can originate in circumstellar material distributed around a si…
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Latest: Nov. 30, 2020, 2:43 a.m.
Let $G$ be a graph, a dominating induced matching (DIM) of $G$ is an induced matching that dominates every edge of $G$. In this paper we show t…
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We develop a new contour tracing algorithm to enhance the results of the latest object contour detectors. The goal is to achieve a perfectly cl…
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Latest: Nov. 29, 2020, 7:44 p.m.
Let p be an odd prime, n an odd positive integer and C the p-Sylow subgroup the class group of the p-cyclotomic extension of the rationals. Whe…
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Latest: Nov. 30, 2020, 1:51 a.m.
We studied the morphology of galaxies in the Chandra Deep Field South using ACS multi-wavelength data from the Great Observatories Origin Deep …
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Latest: Nov. 30, 2020, 2:08 a.m.
The $1/f$-like decay observed in the power spectrum of electro-physiological signals, along with scale-free statistics of the so-called neurona…
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Latest: Nov. 30, 2020, 2:12 a.m.
We monitored BL Lacertae frequently during 2014 - 2016 when it was generally in a high state. We searched for intra-day variability for 43 nigh…
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Latest: Nov. 30, 2020, 2:25 a.m.
Black-box optimization of objective function of parameters belonging to simplex arises in many inference and predictive models. Das (2016) intr…
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Latest: Nov. 30, 2020, 2:26 a.m.
For a finite group acting on a polynomial ring, the Chevalley-Shephard-Todd Theorem proves that the fixed subring is isomorphic to a polynomial…
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Latest: Nov. 30, 2020, 2:40 a.m.
We outline the physical picture of the high-redshift Ly-alpha forest that has emerged from cosmological simulations, describe statistical chara…
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Latest: Nov. 30, 2020, 2:41 a.m.
Coronal mass ejections (CMEs) are often accompanied by coronal dimming evident in extreme ultraviolet (EUV) and soft X-ray observations. The lo…
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Latest: Nov. 30, 2020, 2:42 a.m.
The Malle-Navarro conjecture relates central block theoretic invariants in two inequalities. In this paper, we prove the conjecture for the 2-b…
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Latest: Nov. 30, 2020, 2:48 a.m.
We prove that, for any Hausdorff continuum X, if dim X > 1 then the hyperspace C(X) of subcontinua of X is not a C-space; if dim X = 1 and X…
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A $(k,k-t)$-SCID (set of Subspaces with Constant Intersection Dimension) is a set of $k$-dimensional vector spaces that have pairwise intersect…
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Latest: Nov. 30, 2020, 2:42 a.m.
Let $(R, \frak m)$ be a local ring and $M$ a finitely generated $R$-module. It is shown that if $M$ is relative Cohen-Macaulay with respect to …
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Latest: Nov. 30, 2020, 2:43 a.m.
RW Aur is a young binary system showing strong signatures of a recent tidal encounter between the circumprimary disk and the secondary star. Th…
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We find transient, transit-like dimming events within the K2 time series photometry of the young star RIK-210 in the Upper Scorpius OB associat…
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Latest: Nov. 30, 2020, 2:43 a.m.
It is shown that if $A \subseteq \mathbb{R}^3$ is a Borel set of Hausdorff dimension $\dim A \in (3/2,5/2)$, then for a.e. $\theta \in [0,2\pi)… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:43 a.m. Earthquakes in seismological catalogs and acoustic emission events in lab experiments can be statistically described as a linear Hawkes point p… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 29, 2020, 7:38 p.m. In this paper, we revisit the problem of classifying ships (maritime vessels) detected from overhead imagery. Despite the last decade of resear… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 29, 2020, 7:43 p.m. The recently proposed audio-visual scene-aware dialog task paves the way to a more data-driven way of learning virtual assistants, smart speake… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 29, 2020, 7:49 p.m. This paper addresses a gap in the classifcation of Codazzi tensors with exactly two eigenfunctions on a Riemannian manifold of dimension three … Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 1:50 a.m. In this paper, by using a characterization of functions having fractional derivative, we propose a rigorous fractional Lyapunov function candid… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 1:53 a.m. With the widespread use of social media, companies now have access to a wealth of customer feedback data which has valuable applications to Cus… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:04 a.m. The structure of amorphous Cu$_2$GeTe$_3$is investigated by a combination of anomalous x-ray scattering and extended x-ray absorption fine str… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:11 a.m. Previous studies suggested that lateral interactions of V1 cells are responsible, among other visual effects, of bottom-up visual attention (al… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:12 a.m. We present optical and infrared photometry of the low-mass X-ray binary EXO 0748-676 in quiescence for the first time in 24 years since it beca… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:25 a.m. The All Sky Camera (ASC) was developed as an universal device for a monitoring of the night sky quality and night sky background measurement. A… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:25 a.m. Finding the reduced-dimensional structure is critical to understanding complex networks. Existing approaches such as spectral clustering are ap… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:25 a.m. The Simplex Tree (ST) is a recently introduced data structure that can represent abstract simplicial complexes of any dimension and allows effi… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:26 a.m. We present group equivariant capsule networks, a framework to introduce guaranteed equivariance and invariance properties to the capsule networ… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:36 a.m. Powerful outflows from star-forming galaxies are expected to push away the neutral intergalactic medium (IGM) around those galaxies, and produc… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:40 a.m. We present statistical and monitoring results of narrow absorption lines that are physically related to quasars (i.e., intrinsic NALs). We use … Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:41 a.m. We characterise the actions, by holomorphic isometries on a K\"ahler manifold with zero first Betti number, of an abelian Lie group of dim… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:43 a.m. We present the results from analyzing the physical and morphological properties of 154 dimmings (transient coronal holes) and the associated fl… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:41 a.m. In this article, we study the notion of the Schur multiplier$\mathcal{M}(N,L)$of a pair$(N,L)$of Lie superalgebras and obtain some upper bo… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:42 a.m. By means of the direct limit technique, with every normed space X it is associated a bidualic (Banach) space$\tilde{X} (D^2( \tilde{X}) \cong …
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In this article we consider a class of fat corank $2$ distribution on a manifold, which includes the holomorphic contact structures. We prove t…
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The dimension algebra of graded groups is introduced. With the help of known geometric results of extension theory that algebra induces all kno…
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We study Fano manifolds $X$ admitting an unsplit dominating family of rational curves and we prove that the Generalized Mukai Conjecture holds …
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Hadwiger's conjecture implies that $n\le\alpha h$ for all graphs of order $n$, stability number $\alpha$, and Hadwiger number $h$. Combin…
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Let $M$ and $N$ be two closed $C^{\infty}$ manifolds and let $\text{Diff}_c(M)$ denote the group of $C^{\infty}$ diffeomorphisms isotopic to th…
In 1986, Shi derived the famous formula $(n+1)^{n-1}$ for the number of regions of the Shi arrangement, a hyperplane arrangement in $\mathbb{R}… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:42 a.m. The in vitro and in vivo activity of diminazene (Dim), artesunate (Art) and combination of Dim and Art (Dim-Art) against Leishmania donovani wa… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:42 a.m. Let$C_a$be the central Cantor set obtained by removing a central interval of length$1-2a$from the unit interval, and continuing this proces… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:43 a.m. In this article we show that there exists a bijection between any affine Weyl group$W_a$and the integral points of an affine variety, denoted… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:43 a.m. First observed with the Kepler mission, KIC 8462852 undergoes unexplained dimming events, "dips," on the timescale of days which were… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:43 a.m. We report on the Atmospheric Imaging Assembly (AIA) observations of plasma outflows originating in a coronal dimming during the 2015 April 28th… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:43 a.m. We continue the investigation of a CME-driven coronal dimming from December 14 2006 using unique high resolution imaging of the chromosphere an… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:43 a.m. Most existing person re-identification (ReID) methods have good feature representations to distinguish pedestrians with deep convolutional neur… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:43 a.m. The infamous exploration-exploitation dilemma is one of the oldest and most important problems in reinforcement learning (RL). Deliberate and e… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 29, 2020, 7:19 p.m. Earthquake aftershock identification is closely related to the question "Are aftershocks different from the rest of earthquakes?" We … Comments: 0 Words: Votes: Views: 0 Latest: Nov. 29, 2020, 7:38 p.m. In models of triggered seismicity and in their inversion with empirical data, the detection threshold m_d is commonly equated to the magnitude … Comments: 0 Words: Votes: Views: 0 Latest: Nov. 29, 2020, 7:39 p.m. Optimization of ship routing depends on several parameters, like ship and cargo characteristics, environmental factors, topography, internation… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 29, 2020, 7:43 p.m. 3D printing technologies are currently enabling the fabrication of objects with complex architectures and tailored properties. In such framewor… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 29, 2020, 7:45 p.m. We present a novel method of 3D printing with the fluoroplastic Kel-F (PCTFE) that was used to create target material cups for dynamic nuclear … Comments: 0 Words: Votes: Views: 0 Latest: Nov. 29, 2020, 7:47 p.m. To address the SMC'17 data challenge -- "Data mining atomically resolved images for material properties", we first used the clas… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 29, 2020, 8:17 p.m. We present CCD observations of 102 Landolt standard stars obtained with the R-C spectrograph on the CTIO 1.5 m telescope. Using stellar atmosph… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 1:31 a.m. In this paper, the fractional integral operator on non-homogeneous metric measure spaces is introduced, which contains the classic fractional i… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 1:53 a.m. Shape is an important aspects in recognizing plants. Several approaches have been introduced to identify objects, including plants. Combination… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 1:53 a.m. We report the results of both angle-dispersive x-ray diffraction and x-ray absorption near-edge structure studies in BaWO4 and PbWO4 at pressur… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:02 a.m. We report a high-pressure study of tetragonal scheelite-type CaMoO4 up to 29 GPa. In order to characterize its high-pressure behavior, we have … Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:03 a.m. The study of electron motion in semiconductor billiards has elucidated our understanding of quantum interference and quantum chaos. The central… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:11 a.m. In different areas of research, multiple recurrent competing risks (RCR) are often observed on the same observational unit. For instance, diffe… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:11 a.m. We investigate why the non-slip boundary condition for the velocity, imposed in the direction of impressed magnetic fields, can contribute to t… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:12 a.m. We discuss the possibility of inhibiting three-body recombination in atomic Bose-Einstein condensates via the application of resonant$2\pi$la… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:12 a.m. In this work, we generalize and utilize the linear relations of LLT polynomials introduced by Lee \cite{Lee}. By using the fact that the chroma… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:14 a.m. The objective of this study is to determine the types of existing buildings that are at risk of falling debris based on height, age, constructi… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:25 a.m. In this paper we show existence of all exponential moments for the total edge length in a unit disk for a family of planar tessellations based … Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:25 a.m. Novel liquid crystalline (LC) compositions are suggested and studied as elements of LC-nose. This allows for optical detection of several volat… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:25 a.m. We consider an "elastic" version of the statistical mechanical monomer-dimer problem on the n-dimensional integer lattice. Our settin… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:25 a.m. WiMAX (acronym for Worldwide Interoperability for Microwave Access) is a family of technical standards based on IEEE 802.16 standard that defin… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:25 a.m. It has been stated in the literature that the case of maximal mixing angle for \nu_e leads to no day-night effect for solar neutrinos and an en… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:25 a.m. The scheduling of multi-user remote laboratories is modeled as a multimodal function for the proposed optimization algorithm. The hybrid optimi… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:26 a.m. The detection of acoustic scenes is a challenging problem in which environmental sound events must be detected from a given audio signal. This … Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:35 a.m. The recent progress on capsule networks by Hinton et al. has generated considerable excitement in the machine learning community. The idea behi… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:35 a.m. Partial quorum systems are widely used in distributed key-value stores due to their latency benefits at the expense of providing weaker consist… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:40 a.m. We report a further analysis of the ratio of deuterium to hydrogen (D/H) using HST spectra of the z=0.701 Lyman limit system towards the QSO PG… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:40 a.m. In this paper we examine the Paxos protocol and demonstrate how the discrete numbering of ballots can be leveraged to weaken the conditions for… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:40 a.m. Byzantine reliable broadcast is a powerful primitive that allows a set of processes to agree on a message from a designated sender, even if som… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:41 a.m. This paper considers the global$(l,k)$-CS problem which is the problem of controlling the system in such a way that, at least$l$and at most … Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:41 a.m. There is a consensus that Type-Ia supernovae (SNe Ia) arise from the thermonuclear explosion of white dwarf stars that accrete matter from a bi… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:41 a.m. The uniform disconnectedness is an important invariant property under bi-Lipschitz mapping, and the Assouad dimension$\dim _{A}X<1$implies… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:41 a.m. We report observations of a two-stage coronal dimming in an eruptive event of a two-ribbon flare and a fast coronal mass ejection (CME). Weak g… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:41 a.m. We report ground-based spectrophotometry of KIC 8462852, during its first dimming events since the end of the Kepler mission. The dimmings show… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:43 a.m. We present a statistical study of 62 coronal dimming events associated with Earth-directed CMEs during the quasi-quadrature period of STEREO an… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:41 a.m. We have analyzed deep narrow-band H$\alpha$images and high-resolution long-slit spectra for a sample of the nearest and brightest late-type ga… Comments: 0 Words: Votes: Views: 0 Latest: Nov. 30, 2020, 2:42 a.m. It is proved that if X is a compact Hausdorff space of Lebesgue dimension$\dim(X)$, then the squaring mapping$\alpha_{m} \colon (C(X)_{\mathr…