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A remark on universal connections

✍ Scribed by Shrawan Kumar

Publisher
Springer
Year
1982
Tongue
English
Weight
430 KB
Volume
260
Category
Article
ISSN
0025-5831

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A graph G is said to be bi-3-connected if not only G but also its complement (~ are 3-connected and a two-vertex set whose contraction results in a bi-3-connected graph is called a bi-contractible pair of G. We prove that every bi-3-connected graph of order at least 22 has a bi-contractible pair.