Minimal k-Connected Non-Hamiltonian Graphs

Document Type

Article

Publication Date

3-1-2018

Abstract

In this paper, we explore minimal k-connected non-Hamiltonian graphs. Graphs are said to be minimal in the context of some containment relation; we focus on subgraphs, induced subgraphs, minors, and induced minors. When k= 2 , we discuss all minimal 2-connected non-Hamiltonian graphs for each of these four relations. When k= 3 , we conjecture a set of minimal non-Hamiltonian graphs for the minor relation and we prove one case of this conjecture. In particular, we prove all 3-connected planar triangulations which do not contain the Herschel graph as a minor are Hamiltonian.

Publication Source (Journal or Book title)

Graphs and Combinatorics

First Page

289

Last Page

312

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