Technical Report 428-1995

Title
L\^e Numbers of Arrangements and Matroid Identities
Authors
David B. Massey, Rodica Simion, Richard P. Stanley, Dirk Vertigan, and Dominic J. A. Welsh and Günter M. Ziegler
Source
Download as [ps.gz]
Classification
not available
Keywords
not available
Abstract
We present several new polynomial identities associated with matroids and geometric lattices, and relate them to formulas for the characteristic polynomial and the Tutte polynomial. The identities imply a formula for the L\^e numbers of complex hyperplane arrangements.