Shell Polynomial of some graphs
سال انتشار: 1393
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 452
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شناسه ملی سند علمی:
ICNN05_383
تاریخ نمایه سازی: 30 آبان 1394
چکیده مقاله:
Let G= (V,E) be a connected simple graph with the vertex set V(G) and edge set E(G) Define the entries in a Shell matrix ShM as [ShM]t,k= ∑v|div=k[M]I,v where M is any square topological matrix (info matrix). The Shell matrix is the collection of the above defined entries: ShM={[ShM]i,k ; iϵV(G); kϵ [0,1,2,..., d(G)]} where d(G) is the diameter of G and the zero column [ShM)i,0 is the diagonal entries in the info matrix M. The Shell polynomial is ShM(x)= ∑kP (G,k). xk with p(G,k)being sets of loca contributions (of extent k) to the global property p(G)= U p(G,k) and summation running up to d(G). The polynomial coefficients are obtain from the above defined Shell matrices, as the half sum of columns. The Cluj-Tehran index is defined as CT(ShM,G)= ShMi(1)+ 1/2 ShM11(1).
کلیدواژه ها:
نویسندگان
Yaghub Pakravesh
Department of Pure Mathematics, Faculty of Mathematical Sciences, Tarbiat Modares University, Tehran, Iran
Ali Iranmanesh
Department of Pure Mathematics, Faculty of Mathematical Sciences, Tarbiat Modares University, Tehran, Iran