نتایج جستجو برای: locating chromatic number of graphs

تعداد نتایج: 21192455  

Journal: :Designs, Codes and Cryptography 2011

Journal: :Combinatorics, Probability and Computing 2019

Journal: :Discrete Applied Mathematics 2010

Journal: :Electronic Notes in Discrete Mathematics 2009

Journal: :Computers & Mathematics with Applications 2010

Journal: :Journal of Combinatorial Theory, Series B 2016

Journal: :Mathematics 2021

An edge labeling of a graph G=(V,E) using every label from the set {1,2,⋯,|E(G)|} exactly once is local antimagic if vertex-weights are distinct for pair neighboring vertices, where vertex-weight sum labels all edges incident with that vertex. Any induces proper vertex coloring G color its vertex-weight. This naturally leads to concept chromatic number. The number defined be minimum colors take...

Journal: :European Journal of Combinatorics 2022

The chromatic vertex (resp. edge) stability number vsχ(G) esχ(G)) of a graph G is the minimum vertices edges) whose deletion results in H with χ(H)=χ(G)−1. In main result it proved that if χ(G)∈{Δ(G),Δ(G)+1}, then vsχ(G)=ivsχ(G), where ivsχ(G) independent number. need not hold for graphs χ(G)≤Δ(G)+12. It χ(G)>Δ(G)2+1, vsχ(G)=esχ(G). A Nordhaus–Gaddum-type on also given.

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