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On the Caccetta–Häggkvist Conjecture

✍ Scribed by Jian Shen


Book ID
106048138
Publisher
Springer Japan
Year
2002
Tongue
English
Weight
118 KB
Volume
18
Category
Article
ISSN
0911-0119

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Proof of a conjecture of Häggkvist on cy
✍ Kenneth A. Berman 📂 Article 📅 1983 🏛 Elsevier Science 🌐 English ⚖ 196 KB

A graph G of order n is a ck-graph if for every pair of d~tinct, nonadlacenl veJtlces x and y' d(x)+d(y)>~n+k where d(v) denotes the degree of a vertex v In this paper, we prove the