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JCT
1998
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14 years 3 days ago
Fractional Kernels in Digraphs
The aim of this note is to point out some combinatorial applications of a lemma of Scarf, proved first in the context of game theory. The usefulness of the lemma in combinatorics...
Ron Aharoni, Ron Holzman
DAM
2000
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14 years 8 days ago
Pancyclic out-arcs of a Vertex in Tournaments
Thomassen (J. Combin. Theory Ser. B 28, 1980, 142
Tianxing Yao, Yubao Guo, Kemin Zhang