Title
Long Cycles And Spanning Subgraphs Of Locally Maximal 1-Planar Graphs
Abstract
A graph is 1-planar if it has a drawing in the plane such that each edge is crossed at most once by another edge. Moreover, if this drawing has the additional property that for each crossing of two edges the end vertices of these edges induce a complete subgraph, then the graph is locally maximal 1-planar. For a 3-connected locally maximal 1-planar graph G, we show the existence of a spanning 3-connected planar subgraph and prove that G is Hamiltonian if G has at most three 3-vertex-cuts, and that G is traceable if G has at most four 3-vertex-cuts. Moreover, infinitely many nontraceable 5-connected 1-planar graphs are presented.
Year
DOI
Venue
2020
10.1002/jgt.22542
JOURNAL OF GRAPH THEORY
Keywords
DocType
Volume
Hamiltonicity, longest cycle, 1-planar graph, spanning subgraph
Journal
95
Issue
ISSN
Citations 
1
0364-9024
0
PageRank 
References 
Authors
0.34
0
6
Name
Order
Citations
PageRank
Igor Fabrici110114.64
Jochen Harant221730.62
Madaras Tomáš300.34
s mohr402.03
Soták Roman500.34
Zamfirescu Carol T.600.34