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» Rook Theory and t-Cores
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JCT
1998
68views more  JCT 1998»
13 years 5 months ago
Rook Theory and t-Cores
If t is a positive integer, then a partition of a non-negative integer n is a t−core if none of the hook numbers of the associated Ferrers-Young diagram is a multiple of t. These...
James Haglund, Ken Ono, Lawrence Sze
IJAC
2008
158views more  IJAC 2008»
13 years 5 months ago
The Braid rook Monoid
species and combinatorial Hopf algebras on the one hand, and quantum groups and the classification theory of abstract Hopf algebras on the other. This is part of joint work with Sw...
Eddy Godelle
EJC
2000
13 years 5 months ago
Further Investigations Involving Rook Polynomials With Only Real Zeros
We study the zeros of two families of polynomials related to rook theory and matchings in graphs. One of these families is based on the cover polynomial of a digraph introduced by ...
James Haglund