David Handelman's user avatar
David Handelman's user avatar
David Handelman's user avatar
David Handelman
  • Member for 10 years, 5 months
  • Last seen more than a month ago
11 votes
2 answers
753 views

Characters of permutation groups

8 votes
0 answers
270 views

Integral representations of finite groups and lattice point geometry

7 votes
4 answers
1k views

Minimum negative eigenvalue of zero-one matrices

6 votes
2 answers
933 views

Sums of reciprocals of products of factorials

5 votes
0 answers
240 views

Paths in Pascal's triangle; or balanced $0-1$ initial segments

5 votes
0 answers
473 views

Slightly noncommutative Nakayama's lemma?

5 votes
0 answers
136 views

Chains of right annihilators in group rings

4 votes
1 answer
152 views

Right reversibility of submonoids of nilpotent groups

4 votes
1 answer
188 views

Weak ergodicity of nonhomogenous products of 0-1 matrices

4 votes
0 answers
232 views

SubGROUPs of Banach spaces, when are they dense in a vector subspace?

3 votes
1 answer
439 views

Cycles in directed graphs

2 votes
1 answer
269 views

Central binomials and irrationals

1 vote
0 answers
176 views

binomial coefficients and irrationals

1 vote
2 answers
360 views

binomial/factorial identity mod p

1 vote
1 answer
167 views

Ratio limit results for restricted partition functions