Title

Hall-type results for 3-connected projective graphs

Document Type

Article

Publication Date

7-1-2016

Abstract

Projective planar graphs can be characterized by a set A of 35 excluded minors. However, these 35 are not equally important. A set E of 3-connected members of A is excludable if there are only finitely many 3-connected nonprojective planar graphs that do not contain any graph in E as a minor. In this article, we show that there are precisely two minimal excludable sets, which have sizes 19 and 20, respectively.

Publication Source (Journal or Book title)

Journal of Graph Theory

First Page

253

Last Page

264

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