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In this paper, we study CAT(0) spaces with non-locally connected boundary. We give some condition of a CAT(0) space whose boundary is not locally connected.

Group Theory · Mathematics 2007-05-23 Tetsuya Hosaka

We study tilted chains of spinless fermions in the presence of the nearest-neighbor density-density interaction for which the noninteracting counterpart displays Stark localization. We demonstrate that the latter two-body interaction can be…

Strongly Correlated Electrons · Physics 2024-09-30 Bartosz Krajewski , Marcin Mierzejewski

In this article we give a totally new proof of the integral localization formula for equivariantly closed differential forms (Theorem 7.11 in [BGV]). We restate it here as Theorem 2. This localization formula is very well known, but the…

Differential Geometry · Mathematics 2007-05-23 Matvei Libine

In this paper we give an example of a closed, strongly one-sided dense set which is not of uniform density type. We also show that there is a set of uniform density type which is not of strong uniform density type.

Classical Analysis and ODEs · Mathematics 2022-08-26 Zoltán Buczolich , Bruce Hanson , Balázs Maga , Gáspár Vértesy

We study cohomology for $p$-local finite groups with non-constant coefficient systems. In particular we show that under certain restrictions there exists a cohomology transfer map in this context, and deduce the standard consequences.

Algebraic Topology · Mathematics 2011-03-04 Ran Levi , Kári Ragnarsson

We consider quasilinear elliptic systems in divergence form. In general, we cannot expect that weak solutions are locally bounded because of De Giorgi's counterexample. Here we assume a condition on the support of off-diagonal coefficients…

Analysis of PDEs · Mathematics 2019-11-15 Salvatore Leonardi , Francesco Leonetti , Cristina Pignotti , Eugenio Rocha , Vasile Staicu

Recent work in Relative Locality has shown that the theory allows for a solution of an on-shell causal loop. We show that the theory contains a different type of a loop in which locally momenta are conserved, but there is no global momentum…

General Relativity and Quantum Cosmology · Physics 2013-10-22 Andrzej Banburski

We give an example that shows that not all local cohomology modules are tame in the sense of Brodmann and Hellus.

Commutative Algebra · Mathematics 2007-05-23 Steven Dale Cutkosky , Juergen Herzog

A number of mechanisms that lead to the confinement of patterns to a small part of a translationally symmetric pattern-forming system are reviewed: nonadiabatic locking of fronts, global coupling and conservation laws, dispersion, and…

patt-sol · Physics 2007-05-23 Hermann Riecke

We consider the Bose-Hubbard model. Our focus is on many-body localization, which was described by many authors in such models, even in the absence of disorder. Since our work is rigorous, and since we believe that the localization in this…

Mathematical Physics · Physics 2016-12-15 Alex Bols , Wojciech De Roeck

The phenomenon of localization is usually accompanied with the presence of quenched disorder. To what extent disorder is necessary for localization is a well-known open problem. In this paper, we prove the instability of localization in…

Disordered Systems and Neural Networks · Physics 2020-01-06 Yichen Huang , Aram W. Harrow

We study the discrete-time quantum walk in one-dimension governed by the Fibonacci transformation .We show localization does not occur for the Fibonacci quantum walk by investigating the stationary distribution of the walk, in addition, we…

Mathematical Physics · Physics 2011-08-29 Clement Ampadu

Considering a "random walk in a random environment" in a topologically closed circuit, we explore the implications of the percolation and sliding transitions for its relaxation modes. A complementary question regarding the "delocalization"…

Statistical Mechanics · Physics 2016-03-11 Daniel Hurowitz , Doron Cohen

Non-locality consists in the existence of non-classical correlations between local measurements. So far, it has been investigated mostly in isolated quantum systems. Here we show that non-local correlations are present, can be detected and…

Quantum Physics · Physics 2022-09-01 Carlo Marconi , Andreu Riera-Campeny , Anna Sanpera , Albert Aloy

We prove the first generalization bound for large-margin halfspaces that is asymptotically tight in the tradeoff between the margin, the fraction of training points with the given margin, the failure probability and the number of training…

Machine Learning · Computer Science 2025-02-20 Kasper Green Larsen , Natascha Schalburg

Often a localization functor (in the category of groups) sends a finite simple group to another finite simple group. We study when such a localization also induces a localization between the automorphism groups and between the universal…

Algebraic Topology · Mathematics 2018-04-16 José L. Rodríguez , Jérôme Scherer , Antonio Viruel

We derive a necessary and sufficient condition for the thermalization of a local observable in a closed quantum system which offers an alternative explanation, independent of the eigenstate thermalization hypothesis, for the thermalization…

Statistical Mechanics · Physics 2014-04-11 J. Sirker , N. P. Konstantinidis , F. Andraschko , N. Sedlmayr

In this paper, we define weakly coherent rings, and examine the transfer of these rings to homomorphic image, trivial ring extension, localization, and direct product. These results provide examples of weakly coherent rings that are not…

Commutative Algebra · Mathematics 2010-03-17 Chahrazade Bakkari , Najib Mahdou

We consider $(1+1)$-dimensional directed polymers in a random potential and provide sufficient conditions guaranteeing joint localization. Joint localization means that for typical realizations of the environment, and for polymers started…

Probability · Mathematics 2022-11-14 Yuri Bakhtin , Douglas Dow

In this paper, we introduce a nonlocal model for linear steady Stokes system with physical no-slip boundary condition. We use the idea of volume constraint to enforce the no-slip boundary condition and prove that the nonlocal model is…

Analysis of PDEs · Mathematics 2022-03-30 Qiang Du , Zuoqiang Shi