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Jack Schmidt's user avatar
Jack Schmidt's user avatar
Jack Schmidt's user avatar
Jack Schmidt
  • Member for 14 years, 10 months
  • Last seen more than 3 years ago
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90 Answers

Score Activity Newest
87 votes
Accepted

Why is there no Cayley's Theorem for rings?

53 votes
Accepted

Groups with all subgroups normal

37 votes
Accepted

Smallest permutation representation of a finite group?

27 votes
Accepted

Explicit integral representation theory

26 votes
Accepted

Is the smallest primitive root modulo p a primitive root modulo p^2?

21 votes
Accepted

Criteria for Aut(G) to be simple

18 votes
Accepted

Representation theory over Z

18 votes
Accepted

Realizability of irreducible representations of dihedral groups

17 votes

Orbit structures of conjugacy class set and irreducible representation set under automorphism group

17 votes
Accepted

Results about the order of a group forcing a particular property.

16 votes

Are there "real" vs. "quaternionic" conjugacy classes in finite groups?

16 votes
Accepted

Criterion for an abelian group to have a commutative endomorphism ring

15 votes

Which finite groups are generated by n involutions?

15 votes
Accepted

Number of prime factors of the order of a finite non-abelian simple group

14 votes

Does $S_4$ inject into $SL(2,R)$ for some commutative ring $R$?

14 votes

Generation in a group versus generation in its abelianization.

14 votes
Accepted

Is there a mathematical object called "ivy"?

14 votes
Accepted

What kind group can be realized as a Isometry group of some space?

13 votes
Accepted

The maximum order of finite subgroups in $GL(n,Q)$

13 votes
Accepted

Applications of fusion systems

12 votes

Minimal normal subgroups of a finite group

12 votes
Accepted

Finite subgroups of GL_n(C)

12 votes

Solvable transitive groups of prime degree

12 votes
Accepted

Subgroups of direct product of groups

12 votes
Accepted

Group ring and left zero divisor

12 votes

Efficient presentations for finite groups

11 votes

Abstract nonsense versions of "combinatorial" group theory questions

11 votes
Accepted

About higher Ext in R-Mod

11 votes
Accepted

Extensions isomorphic as groups but not congruent or pseudo-congruent

11 votes
Accepted

Why did people originally like Frobenius algebras?

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