Regular Matroids with Graphic Cocircuits

Details Regular Matroids with Graphic Cocircuits Regular Matroids with Graphic Cocircuits

2009-09-28

arxiv.org/abs/0909.5033v1

EPTCS 4, 2009, pp. 29-41

Computer Science

Discrete Mathematics

Scientific paper

10.4204/EPTCS.4.4

We introduce the notion of graphic cocircuits and show that a large class of
regular matroids with graphic cocircuits belongs to the class of signed-graphic
matroids. Moreover, we provide an algorithm which determines whether a
cographic matroid with graphic cocircuits is signed-graphic or not.

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