Groups of central-type, maximal connected gradings and intrinsic fundamental groups of complex semisimple algebras

DOI10.1090/tran/7457zbMath1436.16050arXiv1602.06694OpenAlexW2964335174MaRDI QIDQ4633616

Yuval Ginosar, Ofir Schnabel

Publication date: 3 May 2019

Published in: Transactions of the American Mathematical Society (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1602.06694

zbMATH Keywords

semisimple complex algebrasgroup of central-typeintrinsic fundamental groupmaximal connected grading classes

Mathematics Subject Classification ID

Graded rings and modules (associative rings and algebras) (16W50) Twisted and skew group rings, crossed products (16S35) Projective representations and multipliers (20C25)

Related Items (7)

The fundamental group of a Hopf linear category ⋮ Realization-obstruction exact sequences for Clifford system extensions ⋮ Graded monomial identities and almost non-degenerate gradings on matrices ⋮ Quotient gradings and the intrinsic fundamental group ⋮ Non-existence of integral Hopf orders for twists of several simple groups of Lie type ⋮ Mackey's obstruction map for discrete graded algebras ⋮ Unnamed Item

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