An Approach to the Subgraph Homeomorphism Problem

Takao Asano

Published 1985 in Theoretical Computer Science

ABSTRACT

Abstract The subgraph homeomorphism problem for a fixed pattern graph H is stated as follows: given an input graph G = ( V , E ), determine whether G has a subgraph homeomorphic to H . We show that the subgraph homeomorphism problem for the fixed graph K 3,3 is solvable in polynomial time, where K 3,3 is the Thomsen graph, one of the Kuratowski graphs used to characterize planar graphs. Specifically, we present an O(| V |)-time algorithm for this problem. This problem was suspected to be NP-complete by Fortune, Hopcroft and Wyllie (1980). We also present several pattern graphs for each of which an O(| V |)-time algorithm exists.

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