Integral regular net-balanced signed graphs with vertex degree at most four
نویسندگان
چکیده
منابع مشابه
Light subgraphs in graphs with average degree at most four
A graph H is said to be light in a family G of graphs if at least one member of G contains a copy of H and there exists an integer λ(H,G) such that each member G of G with a copy of H also has a copy K of H such that degG(v) ≤ λ(H,G) for all v ∈ V(K). In this paper, we study the light graphs in the class of graphs with small average degree, including the plane graphs with some restrictions on g...
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A signed graph is a graph where the edges are assigned either positive ornegative signs. Net degree of a signed graph is the dierence between the number ofpositive and negative edges incident with a vertex. It is said to be net-regular if all itsvertices have the same net-degree. Laplacian energy of a signed graph is defined asε(L(Σ)) =|γ_1-(2m)/n|+...+|γ_n-(2m)/n| where γ_1,...,γ_n are the ei...
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ژورنال
عنوان ژورنال: Ars Mathematica Contemporanea
سال: 2019
ISSN: 1855-3974,1855-3966
DOI: 10.26493/1855-3974.1740.803