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A Stasinski

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Answers (22)

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28	Is there a “purely algebraic” proof of the finiteness of the class number?
14	Is a matrix similar to its transpose over $\mathbb{Z}_p$?
13	Reference for representation theory of SL_2(Z/n)
12	On Ring Schemes
12	Why is p=2 special, if we want to classify cplx. representation of GL2(Zp)?

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Reputation (2,953)

+95	Is the representation of $GL_n(\mathcal{O})$ in functions on Grassmannian multiplicity free?
+10	How can classifying irreducible representations be a “wild” problem?
+10	Does $\mathrm{SL}_{n}(\mathbb{Z}/p^{2})$ have the same number of conjugacy classes as $\mathrm{SL}_{n}(\mathbb{F}_{p}[t]/t^{2})$?
+10	Is there a “purely algebraic” proof of the finiteness of the class number?

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Questions (11)

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20	Does $\mathrm{SL}_{n}(\mathbb{Z}/p^{2})$ have the same number of conjugacy classes as $\mathrm{SL}_{n}(\mathbb{F}_{p}[t]/t^{2})$?
9	Is there a non-smooth algebraic group scheme in char $p$, all of whose defining relations have degree less than $p$?
7	Is the classification of supercuspidal representations a wild problem?
6	Group scheme over a DVR whose special fibre is the image of points under reduction mod p
6	Lie algebras and non-smoothness of centralisers in bad characteristic

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Tags (32)

84 rt.representation-theory × 15	29 gr.group-theory × 5
42 reference-request × 4	28 algebraic-number-theory
42 ac.commutative-algebra × 3	28 global-fields
34 finite-groups × 6	26 algebraic-groups × 10
34 nt.number-theory × 4	22 ag.algebraic-geometry × 9

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	MathOverflow	2,953 rep	1 gold badge15 silver badges20 bronze badges
	Mathematics	123 rep	4 bronze badges
	History of Science and Mathematics	101 rep	1 bronze badge

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