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On the existence of an increasing symmetric equilibrium in (k

✍ Scribed by Ilia Tsetlin; Aleksandar Saša Pekeč

Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
133 KB
Volume
10
Category
Article
ISSN
1434-4750

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On the existence of (k, l)-kernels in di
On the existence of (k, l)-kernels in digraphs
✍ Hortensia Galeana-Sánchez 📂 Article 📅 1990 🏛 Elsevier Science 🌐 English ⚖ 264 KB

In this paper we present some results on the existence of /c-kernels and (k, [)-kernels in digraphs which generalize the following Theorem of P. Duchet [2]: "If every directed cycle of odd length in a digraph D has at least two symmetrical arcs, then D has a kernel.