Topology and purity for torsors

zbMath1349.14068arXiv1311.5273MaRDI QIDQ273496

Benjamin Antieau, Ben Williams

Publication date: 22 April 2016

Published in: Documenta Mathematica (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1311.5273

Mathematics Subject Classification ID

Étale and other Grothendieck topologies and (co)homologies (14F20) Group schemes (14L15)

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Problems about torsors over regular rings ⋮ Involutions of Azumaya algebras ⋮ \(\mathbb{A}^1\)-connected components of classifying spaces and purity for torsors ⋮ Surjectivity of the total Clifford invariant and Brauer dimension ⋮ The prime divisors of the period and index of a Brauer class