Invariants cohomologiques mod 2 et invariants de Witt des groupes alternés

2024/01/23 by Serre, Jean-Pierre
#FOS: Mathematics #Group Theory (math.GR)

paper · doi:10.48550/arxiv.2401.12738

Abstract

We determine the cohomological invariants and the Witt invariants of the alternating group A_n.

Related

• The cohomology of the Lyons group and double covers of alternating groups
• Stable cohomology of alternating groups
• Cohomological invariants in positive characteristic
• Representations and cohomologies of the alternating group of degree 4
• Cohomological invariants mod 2 of Weyl groups