Abstract | ||
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Necessary and sufficient conditions for a cographic matroid having no two special matroids as minors to be signed-graphic are provided. The characterization utilizes the notion of Fournier triples of cocircuits and the recent excluded-minor characterization for regular signed-graphic matroids. (C) 2020 Elsevier B.V. All rights reserved. |
Year | DOI | Venue |
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2021 | 10.1016/j.dam.2020.09.002 | DISCRETE APPLIED MATHEMATICS |
Keywords | DocType | Volume |
Cographic matroids, Fournier triple, Signed-graphic matroids | Journal | 296 |
ISSN | Citations | PageRank |
0166-218X | 0 | 0.34 |
References | Authors | |
0 | 3 |
Name | Order | Citations | PageRank |
---|---|---|---|
Konstantinos Papalamprou | 1 | 19 | 5.15 |
Leonidas S. Pitsoulis | 2 | 170 | 22.11 |
Eleni-Maria E. Vretta | 3 | 0 | 0.34 |