List questions from brauer-group | MathQA

When is a two-dimensional representation of a finite group over a finite field defined over a subfield?

Published on 10 Apr 2026 - 10:42

Where can I find a proof of the Hasse norm theorem (in english)?

Published on 12 Apr 2026 - 19:42

Relationship between trivial Brauer group and commutative division algebras

Published on 25 Mar 2026 - 3:02

Is the $F$-rank of the multiplicity group of central simple algebra $M_m(D)$ over $F$ equal to $m$?

Published on 15 Apr 2026 - 21:15

Isomorphism of Brauer groups

Published on 13 Apr 2026 - 2:36

Brauer group of a subfield

Published on 05 Apr 2026 - 20:21

Local invariant map in the case of closed points of a curve

Published on 25 Mar 2026 - 3:03

Problems with the exact formal definition of the Brauer group of a field

Published on 15 Apr 2026 - 12:18