A Stasinski

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Answers

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48

Is there a "purely algebraic" proof of the finiteness of the class number?

Sep 12, 2019

16

Is a matrix similar to its transpose over $\mathbb{Z}_p$?

Dec 15, 2018

14

Reference for representation theory of SL_2(Z/n)

Feb 1, 2012

14

On Ring Schemes

Feb 4, 2012

13

Which compact groups have finitely many irreducible representations of each dimension?

Apr 30, 2010

Questions

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21

Does $\mathrm{SL}_{n}(\mathbb{Z}/p^{2})$ have the same number of conjugacy classes as $\mathrm{SL}_{n}(\mathbb{F}_{p}[t]/t^{2})$?

Oct 14, 2018

9

Is there a non-smooth algebraic group scheme in char $p$, all of whose defining relations have degree less than $p$?

Aug 20, 2015

8

Lie algebras and non-smoothness of centralisers in bad characteristic

Apr 9, 2012

7

Generating functions for certain statistics on Coxeter groups of type B

Apr 7, 2010

7

Is the classification of supercuspidal representations a wild problem?

Apr 11, 2010

Tags

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rt.representation-theory

111

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18

posts

ac.commutative-algebra

64

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6

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finite-groups

54

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8

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gr.group-theory

54

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8

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nt.number-theory

54

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5

posts

Reputation

+10

Real integral which cannot be evaluated without complex analysis?

+10

Is a matrix similar to its transpose over $\mathbb{Z}_p$?

+10

When do the sizes of conjugacy classes and squares of degrees of irreps give the same partition for a finite group?

+10

Lie algebras and non-smoothness of centralisers in bad characteristic

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