Connected Components of Moduli Stacks of Torsors via Tamagawa Numbers

DOI10.4153/CJM-2009-001-5zbMath1219.14030arXivmath/0503383OpenAlexW2963608451MaRDI QIDQ3624518

Ajneet Dhillon, Kai A. Behrend

Publication date: 30 April 2009

Published in: Canadian Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/math/0503383

zbMATH Keywords

trace formulaChevalley groupTamagawa numberG-bundles

Mathematics Subject Classification ID

Algebraic moduli problems, moduli of vector bundles (14D20) Finite ground fields in algebraic geometry (14G15) Vector bundles on curves and their moduli (14H60) Galois cohomology of linear algebraic groups (11E72) Galois cohomology (11R34) Group schemes (14L15)

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