Title

On weak maps of ternary matroids

Document Type

Article

Publication Date

1-1-1998

Abstract

Let M and N be ternary matroids having the same rank and the same ground set, and assume that every independent set in N is also independent in M. The main result of this paper proves that if M is 3-connected and N is connected and non-binary, then M = N. A related result characterizes precisely when a matroid that is obtained by relaxing a circuit-hyperplane of a ternary matroid is also ternary. © 1998 Academic Press Limited.

Publication Source (Journal or Book title)

European Journal of Combinatorics

First Page

377

Last Page

389

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