Title
Odd K3, 3 subdivisions in bipartite graphs.
Abstract
We prove that every internally 4-connected non-planar bipartite graph has an odd K 3 , 3 subdivision; that is, a subgraph obtained from K 3 , 3 by replacing its edges by internally disjoint odd paths with the same ends. The proof gives rise to a polynomial-time algorithm to find such a subdivision. (A bipartite graph G is internally 4-connected if it is 3-connected, has at least five vertices, and there is no partition ( A , B , C ) of V ( G ) such that | A | , | B | ¿ 2 , | C | = 3 and G has no edge with one end in A and the other in B.)
Year
DOI
Venue
2016
10.1016/j.jctb.2016.01.005
J. Comb. Theory, Ser. B
Keywords
DocType
Volume
Bipartite graph,Odd K3,3 subdivision,Pfaffian orientation
Journal
118
Issue
ISSN
Citations 
C
0095-8956
0
PageRank 
References 
Authors
0.34
1
2
Name
Order
Citations
PageRank
Robin Thomas145735.92
Peter Whalen2142.42