COMBINATORICS
2004
13 years 7 months ago
2004
We give a combinatorial proof of a q-analogue of the classical formula for the sum of cubes.
JCT
2006
13 years 7 months ago
2006
We give a combinatorial proof of the first Rogers-Ramanujan identity by using two symmetries of a new generalization of Dyson's rank. These symmetries are established by direc...
JAL
2006
13 years 7 months ago
2006
Egecioglu and Remmel [2] gave an interpretation for the entries of the inverse Kostka matrix K-1 in terms of special rim-hook tableaux. They were able to use this interpretation to...
EJC
2008
13 years 7 months ago
2008
We present a combinatorial proof of Postnikov's hook length formula for binary trees. c 2007 Elsevier Ltd. All rights reserved. Let [n] = {1, 2, . . . , n}. It is well known ...