1215 search results - page 30 / 243 » Combinatorics |
103
click to vote
COMBINATORICS
2002
15 years 3 months ago
2002
A sink-free orientation of a finite undirected graph is a choice of orientation
102
click to vote
COMBINATORICS
2002
15 years 3 months ago
2002
Erdos and Szekeres showed that any permutation of length n k2 + 1 contains
115
click to vote
COMBINATORICS
2002
15 years 3 months ago
2002
If G = Kn is the complete graph, the classical Pr
COMBINATORICS
1999
15 years 2 months ago
1999
We say that an antichain A in the boolean lattice Bn is flat if there exists
119
click to vote
COMBINATORICS
1999
15 years 2 months ago
1999
We study the 2-adic behavior of the number of domino tilings of a 2n