Affiliation:
1. School of Mathematics and Statistics, Xidian University, Xi’an 710071, China
Abstract
This paper studies axiom systems of supermatroids. Barnabei et al.'s base axioms concerning poset matroids (i.e., distributive supermatroids) are generalized to modular supermatroids, and a mistake in the proof of base axioms of poset matroids is pointed out.
Funder
National Natural Science Foundation of China