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
-
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.