
Let G=(V,E) be a connected graph with |V|=n and |E|=m. A bijection f:V(G)∪E(G)→{1,2,⋯,n+m} is called local antimagic total labeling if, for any two adjacent vertices u and v, ωt(u)≠ωt(v), where ωt(u)=f(u)+∑e∈E(u)f(e), and E(u) is the set of edges incident to u. Thus, any local antimagic total labeling induces a proper coloring of G, where the vertex x in G is assigned the color ωt(x). The local antimagic total chromatic number, denoted by χlat(G), is the minimum number of colors taken over all colorings induced by local antimagic total labelings of G. In this paper, we present the local antimagic total chromatic numbers of some wheel-related graphs, such as the fan graph Fn, the bowknot graph Bn,n, the Dutch windmill graph D4n, the analogous Dutch graph AD4n and the flower graph Fn.
wheel-related graphs, QA1-939, local antimagic total labeling, local antimagic total chromatic number, Mathematics, local antimagic total labeling; local antimagic total chromatic number; wheel-related graphs
wheel-related graphs, QA1-939, local antimagic total labeling, local antimagic total chromatic number, Mathematics, local antimagic total labeling; local antimagic total chromatic number; wheel-related graphs
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