نتایج جستجو برای: chromatic number
تعداد نتایج: 1174754 فیلتر نتایج به سال:
Journal:
:Fuzzy Information and Engineering
2016
Journal:
:Journal of Physics: Conference Series
2021
Journal:
:Discussiones Mathematicae Graph Theory
2021
Let T be a T-set, i.e., finite set of nonnegative integers satisfying 0 ? T, and G graph. In the paper we study relations between T-edge spans espT (G) and espd?T (G), where d is positive integer and d ? = {0 ? t (max + 1): |t ? t/d T} . We show that espd?T (G) espT (G) ? r, r 1, an integer depends on G. Next focus case {0} and show that espd?{0} (G) ?d(?c(G) 1)?, where ?c(G) circular chromatic...
Journal:
:Journal of Combinatorial Theory, Series B
1978
Journal:
:Journal of the Australian Mathematical Society
2004
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