نتایج جستجو برای: total dominator chromatic number
تعداد نتایج: 1837510 فیلتر نتایج به سال:
Journal:
:Discussiones Mathematicae Graph Theory
2011
Journal:
:Journal of Combinatorial Theory, Series A
1978
Journal:
:International Journal of Pure and Apllied Mathematics
2017
Journal:
:Open Journal of Discrete Mathematics
2013
Journal:
:Scientific Annals of Computer Science
2016
Journal:
:Taiwanese Journal of Mathematics
2018
Journal:
:Bulletin of The London Mathematical Society
2021
For every positive integer n, we construct a Hasse diagram with n vertices and independence number O ( 3 / 4 ) . Such graphs have chromatic Ω 1 , which significantly improves the previously best-known constructions of diagrams having Θ log In addition, if also require girth at least k ⩾ 5 such most − 2 + o The proofs are based on existence point-line arrangements in plane many incidences avoids...
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