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Related papers: p-local finite group cohomology

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We investigate bounds on the dimension of cohomology groups for finite groups acting on an irreducible kG-module for G a finite group of bound sectional p-rank and k an algebraically closed field of characteristic p.

Group Theory · Mathematics 2020-05-07 Robert M. Guralnick , Pham Huu Tiep

This paper studies Moore's measurable cohomology theory for locally compact groups and Polish modules. An elementary dimension-shifting argument is used to show that all classes in that theory have representatives with considerable extra…

Group Theory · Mathematics 2012-06-14 Tim Austin

The paper investigates exterior and symmetric (co)homologies of groups. We introduce symmetric homology of groups and compute exterior and symmetric (co)homologies of some finite groups. We also compare the classical, exterior and symmetric…

Group Theory · Mathematics 2021-07-19 Valeriy G. Bardakov , Mikhail V. Neshchadim , Mahender Singh

Given a family of local systems on a punctured Riemann sphere, with moving singularities, its first parabolic cohomology is a local system on the base space. We study this situation from different points of view. For instance, we derive…

Algebraic Geometry · Mathematics 2007-05-23 Michael Dettweiler , Stefan Wewers

We discuss the finiteness of the topological entropy of continuous endomorphims for some classes of locally compact groups. Firstly, we focus on the abelian case, imposing the condition of being compactly generated, and note an interesting…

Group Theory · Mathematics 2024-03-01 Francesco G. Russo , Olwethu Waka

We obtain several finiteness results for the unramified cohomology of function fields of algebraic varieties defined over fields of type (F'_m), a class that includes algebraically closed fields, finite fields, local fields, and some higher…

Number Theory · Mathematics 2016-02-16 Igor A. Rapinchuk

In this paper, we define (reduced) homeology groups and (reduced) cohomeology groups on finite simpicial complexes and prove that these groups are PL homeomorphsm invariants of polyhedra, while they are not homotopy invariants. So these…

Algebraic Topology · Mathematics 2014-12-30 Feifei Fan , Qibing Zheng

We establish the homological foundations for studying polynomially bounded group cohomology, and show that the natural map from PH^*(G;Q) to H^*(G;Q) is an isomorphism for a certain class of groups.

K-Theory and Homology · Mathematics 2011-10-04 Crichton Ogle

We study cohomology with coefficients in a rank one local system on the complement of an arrangement of hyperplanes $\A$. The cohomology plays an important role for the theory of generalized hypergeometric functions. We combine several…

alg-geom · Mathematics 2008-02-03 Michael Falk , Hiroaki Terao

K. Kato's conjecture about the cohomological Hasse principle for regular connected schemes $\mathfrak X$ which are flat and proper over the complete discrete valuation rings $\mathcal O_N$ of higher local fields $F_N$ is proven. This…

Number Theory · Mathematics 2016-05-27 Patrick Forré

We study the Duflot filtration on the Borel equivariant cohomology of smooth manifolds with a smooth $p$-torus action. We axiomatize the filtration and prove analog of several structural results about equivariant cohomology rings in this…

Algebraic Topology · Mathematics 2018-10-18 James C. Cameron

We introduce a new approach to determining the structure of topological cyclic homology by means of a descent spectral sequence. We carry out the computation for a p-adic local field with Fp-coefficients, including the case p=2 which was…

Algebraic Topology · Mathematics 2022-08-11 Ruochuan Liu , Guozhen Wang

We study the Picard groups of connected linear algebraic groups, and especially the subgroup of translation-invariant line bundles. We prove that this subgroup is finite over every global function field. We also utilize our study of these…

Number Theory · Mathematics 2020-02-03 Zev Rosengarten

As a part of our program for Geometric Arithmetic, we develop an arithmetic cohomology theory for number fields using theory of locally compact groups.

Algebraic Geometry · Mathematics 2007-05-23 Lin Weng

The idea that the cohomology of finite groups might be fruitfully approached via the cohomology of ambient semisimple algebraic groups was first shown to be viable in the papers [CPS75] and [CPSvdK77]. The second paper introduced, through a…

Representation Theory · Mathematics 2012-05-08 Brian J. Parshall , Leonard L. Scott , David I. Stewart

We present a spectral sequence connecting the continuous and 'locally continuous' group cohomologies for topological groups. As an application it is shown that for contractible topological groups these cohomology concepts coincide. Similar…

General Topology · Mathematics 2011-10-06 Martin Fuchssteiner

Is the cohomology of the classifying space of a p-compact group, with Noetherian twisted coefficients, a Noetherian module? This note provides, over the ring of p-adic integers, such a generalization to p-compact groups of the Evens-Venkov…

Algebraic Topology · Mathematics 2015-03-26 Kasper K. S. Andersen , Natalia Castellana , Vincent Franjou , Alain Jeanneret , Jerome Scherer

We develop the theory of logarithmic p-divisible groups and the theory of logarithmic finite locally free commutative group schemes.

Algebraic Geometry · Mathematics 2023-06-27 Kazuya Kato

This paper is the last part of a comprehensive survey of a newly emerging field: a topological approach to the study of locally finite graphs that crucially incorporates their ends. Topological arcs and circles, which may pass through ends,…

Algebraic Topology · Mathematics 2010-05-12 Reinhard Diestel , Philipp Sprüssel

In this paper we first survey some basic results in the cohomology of finite groups, and then discuss recent work on constructing free actions of finite groups on products of spheres.

Algebraic Topology · Mathematics 2007-05-23 Alejandro Adem