17

Questions
votes newest views recent
 
3
votes
1
answer
185
views

Alternating sums of alternate Stirling numbers

jul 25 at 13:08 Gjergji Zaimi 37.4k●2●72●149

 
2
votes
1
answer
312
views

Acyclic orientations of complete graphs in terms of Stirling numbers?

mar 30 at 3:56 Andres Caicedo 14.4k●1●42●79

 
1
vote
1
answer
142
views

Number of spanning subgraphs of $K_n$ with given number of edges and connected components

jun 7 at 19:44 Gwyn Whieldon 831●3●12

 
1
vote
1
answer
113
views

When do the invariant factors of a direct sum of matrices correspond to those of its summands?

apr 27 12 at 11:19 Denis Serre 18.7k●1●31●93

 
4
votes
0
answers
135
views

Bounds on numbers of matchings of given sizes in bipartite graphs

feb 15 12 at 19:49 Adam 967●5●11

24
44
votes
5
answers
4k
views

Changing field of study post-PhD

jun 17 at 11:22 Adam 967●5●11

 
0
votes
2
answers
319
views

Which numbers appear as discriminants of cubics?

feb 18 11 at 14:35 Franz Lemmermeyer 17.2k●1●38●101

1
5
votes
4
answers
411
views

Diophantine problem

feb 16 11 at 23:16 Adam 967●5●11

1
1
vote
1
answer
98
views

Non-alternating chromatic factors?

feb 2 11 at 13:22 Adam 967●5●11

 
3
votes
3
answers
632
views

polynomials with the same discriminant

may 12 11 at 13:05 Gero Brockschnieder 1

1 2 next