Open AccessLong Cycles in t-Tough Graphs with t > 1
Author(s) -
Zh. G. Nikoghosyan
Publication year - 2019
Publication title -
mathematical problems of computer science
Language(s) - English
Resource type - Journals
eISSN - 2738-2788
pISSN - 2579-2784
DOI - 10.51408/1963-0032
Subject(s) - combinatorics , graph , mathematics , degree (music) , pancyclic graph , discrete mathematics , physics , 1 planar graph , line graph , acoustics
It is proved that if G is a t-tough graph of order n and minimum degree δ with t > 1, then either G has a cycle of length at least min{n, 2δ + 4} or G is the Petersen graphIt is proved that if G is a t-tough graph of order n and minimum degree δ with t > 1, then either G has a cycle of length at least min{n, 2δ + 4} or G is the Petersen graph
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