83

Questions

1
2
votes
2
answers
208
views

Motivation for Frankl’s conjecture?

2d ago Russ Woodroofe 691146

 
1
vote
2
answers
81
views

Incidence matrices of generalized quadrangles

may 13 at 12:45 John Bamberg 1936

 
1
vote
0
answers
34
views

Which matrix/operator in a cone has the smallest negative spectral part?

may 4 at 12:36 Felix Goldberg 2,385512

 
0
votes
1
answer
68
views

Counting matchings in a bipartite matching-covered graph

may 2 at 15:43 Brendan McKay 9,12011333

 
2
votes
1
answer
39
views

Lower bounds on cardinality of a union of blocks in a design

may 1 at 17:16 Felix Goldberg 2,385512

1
7
votes
2
answers
270
views

Computing a large permanent

apr 29 at 17:23 Timothy Chow 14.6k168137

 
2
votes
1
answer
99
views

Is Ryser’s conjecture on permanent minimizers still open?

apr 25 at 23:17 Ian Wanless 411

1
4
votes
1
answer
323
views

How many distinct eigenvalues does a random graph have?

apr 22 at 14:49 Terry Tao 28k4108183

1
7
votes
1
answer
242
views

Probability that a random distance function is metric

mar 5 at 11:28 Felix Goldberg 2,385512

 
0
votes
1
answer
125
views

Covering the cone of positive semidefinite matrices by intervals

feb 26 at 18:43 Misha 12.6k12648

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