FORBIDDEN-MINOR CHARACTERIZATION FOR THE CLASS OF COGRAPHIC ELEMENT SPLITTING MATROIDS.
- Resource Type
- Article
- Authors
- Dalvi, Kiran; Borse, Y. M.; Shikare, M. M.
- Source
- Discussiones Mathematicae: Graph Theory. 2011, Vol. 31 Issue 3, p601-606. 6p.
- Subject
- *MATROIDS
*SET theory
*MATHEMATICAL proofs
*ISOMORPHISM (Mathematics)
*GRAPHIC algebra
*MATHEMATICAL analysis
- Language
- ISSN
- 1234-3099
In this paper, we prove that an element splitting operation by every pair of elements on a cographic matroid yields a cographic matroid if and only if it has no minor isomorphic to M(K4). [ABSTRACT FROM AUTHOR]