List questions from brauer-group

Published on 01 Apr 2026 - 15:28

52

Views

If $L$ splits $D=I\otimes N$ does $L$ split $I$ and $N$?

Published on 25 Mar 2026 - 1:24

280

Views

Version of Wedderburn's theorem on central simple algebras

Published on 02 Apr 2026 - 6:22

198

Views

Crossed products and division algebras

Published on 16 Apr 2026 - 23:07

301

Views

Brauer group of cyclic extension of the rationals

Published on 10 Apr 2026 - 4:20

79

Views

Cyclic algebras of degree $4$ and period $2$

Published on 02 Apr 2026 - 14:43

123

Views

Maschke's theorem for $G$-graded algebras

Published on 12 Apr 2026 - 1:33

104

Views

On Brauer groups

Published on 30 Apr 2026 - 13:16

157

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On group graded algebras and Brauer groups

Published on 25 Mar 2026 - 1:16

104

Views

Realising finite abelian groups as Brauer groups of a field

Published on 25 Mar 2026 - 1:18

244

Views

What is an example of a formal group law that does not come from an abelian variety?

Published on 28 Apr 2026 - 12:07

107

Views

Proving that central simple algebra $B$ over a field $k$ splits in Brauer group by a field $L$ contained in $B$, then $[B:k]=[L:k]^2$

Published on 15 Apr 2026 - 13:59

115

Views

Relationship between ideals in an algebra to ideals after extending scalars

Published on 10 Apr 2026 - 15:21

127

Views

Quaternion algebras over a non-Archimedean local field $K$, up to isomorphism

Published on 25 Mar 2026 - 1:20

58

Views

Simple question about the Brauer group of a variety

Published on 18 Apr 2026 - 1:48

List Question

Representations with traces in a finite field

If $L$ splits $D=I\otimes N$ does $L$ split $I$ and $N$?

Version of Wedderburn's theorem on central simple algebras

Crossed products and division algebras

Brauer group of cyclic extension of the rationals

Cyclic algebras of degree $4$ and period $2$

Maschke's theorem for $G$-graded algebras

On Brauer groups

On group graded algebras and Brauer groups

Realising finite abelian groups as Brauer groups of a field

What is an example of a formal group law that does not come from an abelian variety?

Proving that central simple algebra $B$ over a field $k$ splits in Brauer group by a field $L$ contained in $B$, then $[B:k]=[L:k]^2$

Relationship between ideals in an algebra to ideals after extending scalars

Quaternion algebras over a non-Archimedean local field $K$, up to isomorphism

Simple question about the Brauer group of a variety

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