Neighborhood unions, degree sums, toughness and 2-factors
Authors
Abstract
It is well-known that every 2-tough graph has a 2-factor. We consider t-tough graphs with 1 <= t <= 2. It is shown that these graphs have 2-factors, if their neighborhood union or degree sum is large enough.
BibTEX Reference Entry
@article{BaNiSc94, author = {Douglas Bauer and Thomas Niessen and Edward Schmeichel}, title = "Neighborhood unions, degree sums, toughness and 2-factors", pages = "47-57", journal = "Congress. Numer.", volume = "100", year = 1994, hsb = RWTH-CONV-223139, }