OFFSET
1,6
COMMENTS
Critically nonplanar graphs, or nonplanar critically apex graphs, are nonplanar graphs that become planar after removing any single vertex. - Georg Grasegger, Feb 26 2024
LINKS
Sean Dewar, Georg Grasegger, Eleftherios Kastis, Anthony Nixon, and Brigitte Servatius, Non-planar graphs with various apex properties
Sean Dewar, Georg Grasegger, Eleftherios Kastis, Anthony Nixon, and Brigitte Servatius, Rigidity of nearly planar classes of graphs, arXiv:2402.17499 [math.CO], 2024. See p. 3
Eric Weisstein's World of Mathematics, Critical Nonplanar Graph.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Mar 31 2009
EXTENSIONS
a(9)-a(10) from Georg Grasegger, Feb 26 2024
STATUS
approved