2 papers
math.CO2025
Chain characteristic polynomials of matroids
Gary Lazzaro, Max Wakefield, Jason Weiss
In this note we introduce a family of polynomials on a matroid derived from chain Tutte polynomials which generalize the classic and ubiquitous characteristic polynomial. We show t…
math.CO2025
Chain Tutte polynomials
Max Wakefield
The Tutte polynomial and Derksen's -invariant are the universal deletion-contraction and valuative matroid and polymatroid invariants, respectively. There are only a h…