User Bugs Bunny

6 votes

Accepted

Embedding of a division algebra into a matrix algebra over its centre

answered Apr 7, 2021 at 19:57

6 votes

Dual of a projective module

answered Feb 21, 2020 at 7:06

5 votes

Accepted

Faithfully flat modules over a group algebra

answered Feb 15, 2020 at 18:17

5 votes

Tensor functor between rigid tensor categories preserves $\text{Hom}$-objects

answered Sep 7 at 13:14

5 votes

Recovering representation from its character

answered Jul 21, 2010 at 20:04

5 votes

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Example of an algebra finite over a commutative subalgebra with infinite dimensional simple modules

answered Jun 20, 2010 at 7:58

5 votes

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Equivariance of vector bundles over G/B

answered Jun 8, 2010 at 14:25

5 votes

Geometric (or intuitive) interpretation of additional derivatives in characteristic p > 0

answered Jun 24, 2010 at 9:06

5 votes

Are two sheaves that are locally isomorphic globally isomorphic ?

answered May 12, 2010 at 12:10

5 votes

Lie Algebras and Simple Connectivity for general algebraic groups

answered Dec 2, 2010 at 9:28

5 votes

How to define the orientation of a vector space over an arbitrary field?

answered Dec 16, 2010 at 12:16

5 votes

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Killing form vs its counterpart in a given represenation

answered Dec 14, 2010 at 22:54

5 votes

Why should the tensor product of $\mathcal{D}_X$-modules over $\mathcal{O}_X$ be a $\mathcal{D}_X$-module?

answered Dec 21, 2016 at 15:26

5 votes

Lifting a probability measure to the power set

answered Jun 25, 2019 at 13:06

5 votes

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Gelfand's trick (Gelfand's lemma) in positive characteristic?

answered Jun 27, 2019 at 8:58

5 votes

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Hopf structure on the universal enveloping of a super Lie algebra

answered Jul 12, 2019 at 8:24

5 votes

Proving that some principal series representations of SL(2,F) are irreducible

answered Jul 12, 2013 at 13:07

5 votes

Accepted

adjoint action of a Levi subalgebra

answered Jan 22, 2014 at 11:52

4 votes

Topics for an Undergraduate Expository Paper in Number Theory

answered Sep 25, 2012 at 20:36

4 votes

"Mathematics talk" for five year olds

answered Oct 1, 2012 at 16:35

4 votes

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Dimension of preprojective algebra of Dynkin type

answered Mar 30, 2016 at 13:31

4 votes

Accepted

Existence of universal arrow from manifolds to forgetful functor of Lie groups

answered Aug 4, 2019 at 19:09

4 votes

Existence of tensor product of subalgebras

answered Nov 10, 2010 at 9:38

4 votes

dominant weights

answered May 14, 2011 at 10:38

4 votes

Whether such an algebra has to be the Group algebra

answered Jun 20, 2012 at 9:11

4 votes

A reference book for Schur's lemma

answered Jun 27, 2012 at 8:08

4 votes

Deceptively short proof of Regev's $A \otimes B$ theorem

answered May 25, 2011 at 17:13

4 votes

Universal enveloping ring–symmetric algebra isomorphism for Lie rings

answered Aug 7, 2012 at 12:57

4 votes

Finite solvable group

answered Sep 11, 2012 at 13:27

4 votes

group action and orbit space

answered May 21, 2010 at 8:51

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191 Answers

Embedding of a division algebra into a matrix algebra over its centre

Dual of a projective module

Faithfully flat modules over a group algebra

Tensor functor between rigid tensor categories preserves $\text{Hom}$-objects

Recovering representation from its character

Example of an algebra finite over a commutative subalgebra with infinite dimensional simple modules

Equivariance of vector bundles over G/B

Geometric (or intuitive) interpretation of additional derivatives in characteristic p > 0

Are two sheaves that are locally isomorphic globally isomorphic ?

Lie Algebras and Simple Connectivity for general algebraic groups

How to define the orientation of a vector space over an arbitrary field?

Killing form vs its counterpart in a given represenation

Why should the tensor product of $\mathcal{D}_X$-modules over $\mathcal{O}_X$ be a $\mathcal{D}_X$-module?

Lifting a probability measure to the power set

Gelfand's trick (Gelfand's lemma) in positive characteristic?

Hopf structure on the universal enveloping of a super Lie algebra

Proving that some principal series representations of SL(2,F) are irreducible

adjoint action of a Levi subalgebra

Topics for an Undergraduate Expository Paper in Number Theory

"Mathematics talk" for five year olds

Dimension of preprojective algebra of Dynkin type

Existence of universal arrow from manifolds to forgetful functor of Lie groups

Existence of tensor product of subalgebras

dominant weights

Whether such an algebra has to be the Group algebra

A reference book for Schur's lemma

Deceptively short proof of Regev's $A \otimes B$ theorem

Universal enveloping ring–symmetric algebra isomorphism for Lie rings

Finite solvable group

group action and orbit space