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Login to enable post sorting. Buy/sell dictionaries which contain words which contain spaces (subreddits) to conglomerate posts and sell ads. Adverts pay users for each click and are auctioned off to the highest bidder. No clicks no credits. Posts do not archive, they stay active but can recirculate by editing to add new spaces (you can post to multiple spaces at once). We do not track your data, not even an email. Your content is yours, so you can input a Creative Commons on every post.

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We consider the Grope filtration of the classical knot concordance group that
was introduced in a paper of Cochran, Orr and Teichner. Our main result is that
successive quotients at each stage in this filtration have infinite rank. We
also establish the analogous result for the Grope filtration of the concordance
group of string links consisting of more than one component.

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Let $p$ be a prime divisor of the order of a finite group $G$. Then $G$ has at least $2 \sqrt{p-1}$ complex irreducible characters of degrees p…
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In this paper, we compare the radio propagation channels characteristics between 28 and 140 GHz bands based on the wideband (several GHz) and d…
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We prove the four-dimensional Gaussian random vector maximum conjecture. This conjecture asserts that among all centered Gaussian random vector…
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Rare earth (R) orthoferrites RFeO_3 exhibit large volume transitions associated with a spin collapse. We present here ab initio calculations on…
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The first OpenFlow Software-Defined Network (SDN) Controller, NOX, was developed by Nicira Networks and donated to the research community in 20…
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Let $G$ be a finite group and, for a prime $p$, let $S$ be a Sylow $p$-subgroup of $G$. A character $\chi$ of $G$ is called $\Syl_p$-regular if…
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Previous studies suggested that lateral interactions of V1 cells are responsible, among other visual effects, of bottom-up visual attention (al…
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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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It is studied the bright spatial solitons in nonlocal defocusing Kerr media with parity-time (PT) symmetric potentials. We find that these soli…
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The self-interaction corrected local spin density (SIC-LSD) formalism and the standard GGA treatment of the exchange-correlation energy have be…
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We study the mechanism leading to the metallization of the $\beta$-SiC(001) Si-rich surface induced by hydrogen adsorption. We analyze the effe…
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We show that for every $2\le \xi<\omega_1$ there exists a Haar null set in $\mathbb{Z}^\omega$ that is the difference of two $\mathbf{\Pi}^0…
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This note is concerned with the unipotent characters of the Ree groups of type G_2. We determine the roots of unity associated by Lusztig and D…
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The cosmological constant, usually named Lambda, was introduced by Einstein in 1917 and abandoned by him as his biggest "blunder". It…
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In this paper, the fractional integral operator on non-homogeneous metric measure spaces is introduced, which contains the classic fractional i…
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We discuss the possibility of inhibiting three-body recombination in atomic Bose-Einstein condensates via the application of resonant $2\pi$ la…
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Novel liquid crystalline (LC) compositions are suggested and studied as elements of LC-nose. This allows for optical detection of several volat…
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The Simplex Tree (ST) is a recently introduced data structure that can represent abstract simplicial complexes of any dimension and allows effi…
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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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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)…
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Referring to objects in a natural and unambiguous manner is crucial for effective human-robot interaction. Previous research on learning-based …
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We have studied the adsorption of NO, and the coadsorption of N and O, on four physical and hypothetical systems: unstrained and strained Rh(10…
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We present here the straightforward implementation of pump-probe methods into existing scanning tunneling microscopy (STM) systems. Our method …
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A kidney exchange is an organized barter market where patients in need of a kidney swap willing but incompatible donors. Determining an optimal…
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First-principles plane wave calculations predict that Li can be adsorbed on graphene forming a uniform and stable coverage on both sides. A sig…
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It is important to understand the electronic interaction between single-walled carbon nanotubes (SWNTs) and graphene in order to use them effic…
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I consider decision-making constrained by considerations of morality, rationality, or other virtues. The decision maker (DM) has a true prefere…
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Biological molecular machines are proteins that operate under isothermal conditions hence are referred to as free energy transducers. They can …
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Social media data plays a significant role in modern disaster management by providing valuable data about affected people, donations, help requ…
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This paper is a contribution to the general program introduced by Isaacs, Malle and Navarro to prove the McKay conjecture in the representation…
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To address the SMC'17 data challenge -- "Data mining atomically resolved images for material properties", we first used the clas…
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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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The study of electron motion in semiconductor billiards has elucidated our understanding of quantum interference and quantum chaos. The central…
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We investigate why the non-slip boundary condition for the velocity, imposed in the direction of impressed magnetic fields, can contribute to t…
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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…
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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 …
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The scheduling of multi-user remote laboratories is modeled as a multimodal function for the proposed optimization algorithm. The hybrid optimi…
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We present group equivariant capsule networks, a framework to introduce guaranteed equivariance and invariance properties to the capsule networ…
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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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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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We report on the Atmospheric Imaging Assembly (AIA) observations of plasma outflows originating in a coronal dimming during the 2015 April 28th…
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Facial expression recognition is a challenging task due to two major problems: the presence of inter-subject variations in facial expression re…
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Anion hydration is complicated by H-bond donation between neighboring water molecules in addition to H-bond donation to the anion. This situati…
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The Cohen-Lenstra-Martinet heuristics predict the frequency with which a fixed finite abelian group appears as an ideal class group of an exten…
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In a former paper [Fluct. Noise Lett., 13 (2014) 1450020] we introduced a vehicular communication system with unconditionally secure key exchan…
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In this work we investigate how to extract alternating time bounds from 'focussed' proof systems. Our main result is the obtention of…
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Kidney donations from living donors form an attractive alternative to long waiting times on a list for a post-mortem donation. However, even if…
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We develop a rigorous formalism for the description of the evolution of observables in quantum systems of particles. We construct a solution of…
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Latest: Nov. 30, 2020, 3 a.m.
The 2-parameter Green functions occur as a crucial ingredient in the character formula for Lusztig induction in finite reductive groups. Still,…
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Graphene devices require electric contacts with metals, particularly with gold. Scanning tunneling spectroscopy studies of electron local densi…
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In this paper we show an explicit polynomial in Q[x] that has Galois group SL2(F16), filling in a gap in the tables of Juergen Klueners and Gun…
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We check McKay conjecture on character degrees for the case of symplectic groups over the field with two elements Sp(2n,2) and the prime 2. The…
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Integral operators play an important role modeling various physical and biological processes. In this article we consider such a nonlinear inte…
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Blockchain is an emerging technology framework for creating and storing transaction in distributed ledgers with a high degree of security and r…
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We consider a real-valued function $f$ defined on the set of infinite branches $X$ of a countably branching pruned tree $T$. The function $f$ i…
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In the EU-funded MuMMER project, we have developed a social robot designed to interact naturally and flexibly with users in public spaces such …
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Here we investigate whether well-known DFT-GGA errors in predicting the chemisorption energy ($E_{\rm chem}$) of CO on transition metal surface…
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Granboulan computed an explicit polynomial whose Galois group over the rational function field Q(t) is the Mathieu group M24. By a result of Ma…
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Political campaigns are among the most sophisticated marketing exercises in the United States. As part of their marketing communication strateg…
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We describe an approach, via Malle's permutation $\Psi$ on the set of irreducible characters $\text{Irr}(W)$, that gives a uniform derivat…
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Latest: Nov. 30, 2020, 2:49 a.m.
Earthquakes in seismological catalogs and acoustic emission events in lab experiments can be statistically described as a linear Hawkes point p…
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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…
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Latest: Nov. 29, 2020, 7:43 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…
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Latest: Nov. 30, 2020, 1:31 a.m.
This paper addresses a gap in the classifcation of Codazzi tensors with exactly two eigenfunctions on a Riemannian manifold of dimension three …
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Latest: Nov. 30, 2020, 1:50 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…
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Latest: Nov. 30, 2020, 2:04 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.
In different areas of research, multiple recurrent competing risks (RCR) are often observed on the same observational unit. For instance, diffe…
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Latest: Nov. 30, 2020, 2:11 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…
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Latest: Nov. 30, 2020, 2:11 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.
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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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…
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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…
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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…
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We consider an "elastic" version of the statistical mechanical monomer-dimer problem on the n-dimensional integer lattice. Our settin…
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Finding the reduced-dimensional structure is critical to understanding complex networks. Existing approaches such as spectral clustering are ap…
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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…
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Latest: Nov. 30, 2020, 2:25 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 …
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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…
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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…
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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…
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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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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…
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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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First observed with the Kepler mission, KIC 8462852 undergoes unexplained dimming events, "dips," on the timescale of days which were…
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For a finite group $G$, Frobenius found a formula for the values of the function $\sum_{\mathrm{Irr} G} (\dim\, \pi)^{-s}$ for even integers $s…
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Reference-Frame-Independent quantum key distribution (RFI-QKD) is known to be robust against slowly varying reference frames. However, other QK…
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A model for reference use in communication is proposed, from a representationist point of view. Both the sender and the receiver of a message h…
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Formal definition of the reference frame is given. This definition is valid for nonrelativistic and relativistic cases. Proposed definition all…
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In the Feline Josephus problem, soldiers stand in a circle, each having $\ell$ `lives'. Going around the circle, a life is taken from ever…
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In this paper, we introduce a model for donation verification. A randomized algorithm is developed to check if the money claimed being received…
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We analyze 18 million rows of Wi-Fi access logs collected over a one year period from over 120,000 anonymized users at an inner-city shopping m…
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In a recent article, G. Malle and G. Navarro conjectured that the $p$-blocks of a finite group all of whose height 0 characters have the same d…
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We present here results of our first principles studies of the sulfur doping effects on the electronic and geometric structures of graphitic ca…
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A system of two operator equations is considered - one of pseudomonotone type and the other of strongly monotone type - both being strongly cou…
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In 1990, Hefez and Voloch proved that the number of $F_q$-rational points on a nonsingular plane $q$-Frobenius nonclassical curve of degree $d$…
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We investigate positive-dimensional closed reductive subgroups of almost simple algebraic groups containing a regular unipotent element. Our ma…
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Stepwise deposition of Li atoms onto hexagonal boron nitride (hBN) monolayer on Ir(111) is investigated by means of angle-resolved photoemissio…
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We discuss several uses of blockchain (and, more generally, distributed ledger) technologies outside of cryptocurrencies with a pragmatic view.…
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