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Results tagged with co.combinatorics
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user 4137
Enumerative combinatorics, graph theory, order theory, posets, matroids, designs and other discrete structures. It also includes algebraic, analytic and probabilistic combinatorics.
2
votes
Accepted
Name for Kneser/Johnson-like graphs?
Chen and Lih call such a $G(n,k,t)$ (with the same notation) a uniform subset graph; see "Hamiltonian uniform subset graphs" (1987). As you point out, the Johnson graph $J(n,k)$ is then $G(n,k,k-1)$. …
- 2,305
6
votes
Accepted
A Game of Knights and Queens
Here's how White (my new name for Player 1) wins in the $u=v=1$ case. The idea is of course for White to force the knight to an edge, where it can then be summarily captured. WLOG let's force the kn …
- 2,305