User A Stasinski - MathOverflow Meta

A Stasinski

Member for 13 years, 2 months
Last seen more than a month ago

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45

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

21

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

15

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

14

Reference for representation theory of SL_2(Z/n)

13

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