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pro vyhledávání: '"05, 06"'
We revisit the problem of determining the independent domination number in hypercubes for which the known upper bound is still not tight for general dimensions. We present here a constructive method to build an independent dominating set $S_n$ for th
Externí odkaz:
http://arxiv.org/abs/2205.06671
Autor:
Collins, Karen L., Trenk, Ann N.
In this paper we introduce the concepts of the distinguishing number and the distinguishing chromatic number of a poset. For a distributive lattice $L$ and its set $Q_L$ of join-irreducibles, we use classic lattice theory to show that any linear exte
Externí odkaz:
http://arxiv.org/abs/1905.09858
Autor:
Khamsi, Amine, Pouzet, Maurice
We extend to binary relational systems the notion of compact and normal structure, introduced by J.P.Penot for metric spaces, and we prove that for the involutive and reflexive ones, every commuting family of relational homomorphisms has a common fix
Externí odkaz:
http://arxiv.org/abs/1805.02594
Autor:
Karen L. Collins, Ann N. Trenk
In this paper we introduce the concepts of the distinguishing number and the distinguishing chromatic number of a poset. For a distributive lattice $L$ and its set $Q_L$ of join-irreducibles, we use classic lattice theory to show that any linear exte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::48a5646629ebcd948018dbe542220327