New York Journal of Mathematics
Volume 26 (2020), 1002-1027


Eric Primozic

Computations of de Rham cohomology rings of classifying stacks at torsion primes

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Published: September 16, 2020.
Keywords: Hodge cohomology, de Rham cohomology, torsion prime, classifying space.
Subject: 14F40, 20G05.

We compute the de Rham cohomology rings of BG2 and BSpin(n) for 7 ≤ n ≤ 11 over base fields of characteristic 2.


I thank Burt Totaro for suggesting this project to me and for providing advice. I thank the referee for carefully reading this paper and suggesting improvements to the exposition.

Author information

Eric Primozic:
Mathematical and Statistical Sciences
University of Alberta
Edmonton, Canada