25

Answers

votes newest views recent

200

Awfully sophisticated proof for simple facts

16

Commutator subgroup does not consist only of commutators?

3

Approachable French Masters

0

Deformations of semisimple Lie algebras

3

nonstandard analysis book recommendation

10

Is there a version of inclusion/exclusion for vector spaces?

4

Mathematics and cancer research ?

2

papers archives? (especially not indexed by google)

9

“Lie algebra” for a general group ?

5

Subgroups of p-groups

2

Suggestions for teaching advanced high school students

6

Is there a notation for the symmetric / antisymmetric subspaces of a tensor power that distinguishes them from the symmetric / exterior power?

6

When k[G/H] is multiplicity free G module ?

5

How to recognize a Hopf algebra?

3

Simple modules for $U_q(\mathfrak{sl}_n)$ at roots of unity

0

Certain notations in Cayley’s work

2

Finite groups of the form p^3q

3

solvability of an elementary functional equation

2

Extensions which define the same element of $\text{Ext}^n(M,N)$ are in fact equivalent

4

What do we know about periodic modules in p-groups?

4

How to find a nontrivial system of anticommuting matrices ?

4

Nilpotency degree of the augmentation ideal

3

Is the universal enveloping algebra of a finite-dimensional Lie algebra (left) noetherian?

1

Computing Slim Extensions representing Ext

1

Compatibility of connecting homomorphisms for Tor/Ext