A numerical invariant for linear representations of finite groups

DOI10.4171/CMH/367zbMath1346.14021arXiv1405.4037OpenAlexW2964279095WikidataQ117360303 ScholiaQ117360303MaRDI QIDQ894379

Nikita A. Karpenko, Zinovy Reichstein

Publication date: 30 November 2015

Published in: Commentarii Mathematici Helvetici (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1405.4037

zbMATH Keywords

canonical dimensioncentral simple algebrasrepresentations of finite groupsessential dimensionSchur indexSeveri-Brauer varieties

Mathematics Subject Classification ID

Group rings of finite groups and their modules (group-theoretic aspects) (20C05) Algebraic cycles (14C25) Brauer groups (algebraic aspects) (16K50)

Related Items (6)

Essential dimension and genericity for quiver representations ⋮ Incompressible Grassmannians of isotropic subspaces ⋮ Essential dimension of representations of algebras ⋮ Fields of Definition for Representations of Associative Algebras ⋮ From Hilbert's 13th problem to essential dimension and back ⋮ Incompressibility of products of Weil transfers of generalized Severi-Brauer varieties

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