Degree three cohomological invariants of reductive groups

  • Donald Laackman

    University of California, Los Angeles, USA
  • Alexander Merkurjev

    University of California, Los Angeles, USA

Abstract

We study the degree 3 cohomological invariants with coefficients in of a split reductive group over an arbitrary field. As an application, we compute the group of reductive indecomposable degree 3 invariants of all split simple algebraic groups.

Cite this article

Donald Laackman, Alexander Merkurjev, Degree three cohomological invariants of reductive groups. Comment. Math. Helv. 91 (2016), no. 3, pp. 493–518

DOI 10.4171/CMH/393