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A solution to a conjecture of zeeman

✍ Scribed by S. Akbulut


Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
187 KB
Volume
30
Category
Article
ISSN
0040-9383

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A counterexample to a conjecture of gran
✍ Mao-cheng Cai πŸ“‚ Article πŸ“… 1983 πŸ› Elsevier Science 🌐 English βš– 74 KB

We give a counterexample to the following conjecture of Douglas D. Grant Cl]: If a positive integer t 3 2 and D is a strict digraph of order 2t such that S+(D) 3 t and S'(D)2 t, then D has an anti-directed hamiltonian cycle. Where S+(D) and 6-(D) denote the minimum indegree and outdegree, respective