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We prove a localisation theorem for the K-theory of filtering subcategories of exact $\infty$-categories which subsumes the localisation theorem for stable $\infty$-categories, Quillen's localisation theorem for abelian categories, and…

K-Theory and Homology · Mathematics 2025-10-09 Christoph Winges

We provide an easily verifiable condition for local $k$-connectedness of an inverse limit of polyhedra.

General Topology · Mathematics 2019-02-19 G. C. Bell , A. Nagórko

In this paper we give an elementary proof of the local sum conjecture in two dimensions. In a remarkable paper [CMN, arXiv:1810.11340], this conjecture has been established in all dimensions using sophisticated, powerful techniques from a…

Classical Analysis and ODEs · Mathematics 2019-10-08 Robert Fraser , James Wright

We review the PCT-theorem and problems connected with its demonstration. We add a new proof of the PCT-theorem in the theory of local observables which is similar to that one of Jost in Wightman quantum field theory. We also look at…

Mathematical Physics · Physics 2007-05-23 H. J. Borchers , J. Yngvason

We present a relative form of the Toponogov comparison theorem.

Differential Geometry · Mathematics 2023-05-24 Jianming Wan

We characterize the situations in which certain accumulation properties of topological spaces are preserved under taking products.

General Topology · Mathematics 2011-06-14 Paolo Lipparini

We establish local boundedness for solutions to fractional porous medium-type equations in the fast diffusion regime, under optimal tail assumptions.

Analysis of PDEs · Mathematics 2026-02-27 Filomena De Filippis

We introduce the concept of locally homogeneous space, and prove in this context L^p and Holder estimates for singular and fractional integrals, as well as L^p estimates on the commutator of a singular or fractional integral with a BMO or…

Functional Analysis · Mathematics 2011-01-31 Marco Bramanti , Maochun Zhu

We use the dispersive properties of the linear Schr\"{o}dinger equation to prove local well-posedness results for the Boltzmann equation and the related Boltzmann hierarchy, set in the spatial domain $\mathbb{R}^d$ for $d\geq 2$. The proofs…

Analysis of PDEs · Mathematics 2017-03-03 Thomas Chen , Ryan Denlinger , Nataša Pavlović

We give a purely cubical argument for the localization theorem for the cubical version of higher Chow groups.

Algebraic Geometry · Mathematics 2021-12-28 Jinhyun Park

Exponential families are the workhorses of parametric modelling theory. One reason for their popularity is their associated inference theory, which is very clean, both from a theoretical and a computational point of view. One way in which…

Statistics Theory · Mathematics 2007-09-14 Karim Anaya-Izquierdo , Paul Marriott

This note establishes the connection between Friedrich's conformal field equations and the conformally invariant formalism of local twistors.

General Relativity and Quantum Cosmology · Physics 2009-10-31 Jörg Frauendiener , George A. J. Sparling

We describe an advanced version of the AFW-technique proposed in [Lett. Math. Phys., 113, 121 (2023)],[Lobachevskii J. Math., 44(6), 2169 (2023)] which allows us to obtain lower semicontinuity bounds, continuity bounds and local lower…

Quantum Physics · Physics 2025-05-05 M. E. Shirokov

In this paper, we study local systems of locally finite associative algebras over fields of characteristic p\ge0. We describe the perfect local systems and study the relation between them and their corresponding locally finite associative…

Rings and Algebras · Mathematics 2021-01-08 Hasan M S Shlaka

We give an algorithmic proof of Pick's theorem which calculates the area of a lattice-polygon in terms of the lattice-points.

Number Theory · Mathematics 2014-07-03 Haim Shraga Rosner

We present a local unitary theory of a Bell-EPR measurement, starting with the premeasurement filtering of the individual photon polarizations and extending through the detection process involving four photodetectors, two at each receiving…

Quantum Physics · Physics 2026-03-20 Jay Lawrence

We provide several general versions of Littlewood's Tauberian theorem. These versions are applicable to Laplace transforms of Schwartz distributions. We apply these Tauberian results to deduce a number of Tauberian theorems for power series…

Functional Analysis · Mathematics 2013-09-24 Ricardo Estrada , Jasson Vindas

We introduce a topology, which we call the regional topology, on the space of all real functions on a given locally compact metric space. Next we obtain a new versions of Schauder's fixed point theorem and Ascoli's theorem. We use these…

Classical Analysis and ODEs · Mathematics 2014-06-18 Janusz Migda

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 prove a simple uncertainty principle and show that it can be applied to prove Wegner estimates near fluctuation boundaries. This gives new classes of models for which localization at low energies can be proven.

Mathematical Physics · Physics 2009-05-19 Anne Boutet de Monvel , Daniel Lenz , Peter Stollmann