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Preprints 1995

Lê Numbers of Arrangements and Matroid Identities
Citation key Report-428-1995
Author David B. Massey and Rodica Simion and Richard P. Stanley and Dirk Vertigan and Dominic J. A. Welsh and Günter M. Ziegler
Year 1995
Number 428
Institution Technische Universität Berlin, Institut für Mathematik
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 Lê numbers of complex hyperplane arrangements.
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