Internally 4-Connected Binary Matroids with Every Element in Three Triangles

Autor: James Oxley, Carolyn Chun
Rok vydání: 2019
Předmět:
Zdroj: Combinatorica. 39:825-845
ISSN: 1439-6912
0209-9683
DOI: 10.1007/s00493-019-3720-1
Popis: Let $M$ be an internally $4$-connected binary matroid with every element in three triangles. Then $M$ has at least four elements $e$ such that si$(M/e)$ is internally 4-connected.
14 pages, 1 figure
Databáze: OpenAIRE