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hasOddHole -- checks whether a graph has a odd hole

Synopsis

Description

A graph has an odd hole if it has an induced cycle that is odd and has length of at least 5.

i1 : G = graph({{1,2},{2,3},{3,4},{4,5}},EntryMode=>"edges");
i2 : hasOddHole G

o2 = false

See also

Ways to use hasOddHole :

For the programmer

The object hasOddHole is a method function.