List questions from brauer-group

Published on 03 Aug 2023 - 15:07

51

Views

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

Published on 13 Jul 2015 - 21:36

279

Views

Version of Wedderburn's theorem on central simple algebras

Published on 12 Nov 2015 - 18:31

194

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Crossed products and division algebras

Published on 17 Mar 2026 - 19:11

295

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Brauer group of cyclic extension of the rationals

Published on 19 Mar 2026 - 16:57

78

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

Published on 20 May 2016 - 9:40

118

Views

Maschke's theorem for $G$-graded algebras

Published on 24 Mar 2026 - 2:22

86

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On Brauer groups

Published on 23 Mar 2026 - 3:11

156

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On group graded algebras and Brauer groups

Published on 05 May 2017 - 12:35

103

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Realising finite abelian groups as Brauer groups of a field

Published on 06 May 2017 - 19:15

240

Views

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

Published on 29 Sep 2017 - 15:37

104

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 29 Aug 2020 - 13:28

112

Views

Relationship between ideals in an algebra to ideals after extending scalars

Published on 01 Sep 2020 - 19:14

126

Views

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

Published on 02 Oct 2020 - 21:28

53

Views

Simple question about the Brauer group of a variety

Published on 25 Jan 2021 - 23:18

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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