Extensions of Richardson’s theorem for infinite digraphs and ( , ℬ)-kernels

Let D be a digraph and and two subsets of where = {P: P is a non trivial finite path in D}. A subset N of V(D) is said to be an ()-kernel of D if: (1) for every {u,v} N there exists no uv-path P such that P (N is -independent), (2) for every vertex x in V(D) there exist y in N and P in such that P i...

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Principais autores:	Hortensia Galeana-Sánchez, Rocío Rojas-Monroy, Rocío Sánchez-López
格式:	Artigo
語言:	Inglês
出版:	Taylor & Francis Group 2020-09-01
叢編:	AKCE International Journal of Graphs and Combinatorics
主題:	kernel kernel by monochromatic paths h-kernel -kernel ()-kernel
在線閱讀:	http://dx.doi.org/10.1016/j.akcej.2019.12.020
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