Topological indices, are the numbers related to molecular graph to permit the quantitative structureactivity/property/toxicity relationships. In this Research paper, the Arithmetic and Geometric cutting number Index, Geometric Arithmetic cutting number Index, Sum connectivity cutting number Index, Reciprocal cutting number Index, ABC cutting number Index, Inverse sum cutting number Index, Augumented cutting number Index and cutting number Multiplicative indices of Nanostar Dendrimer are determined.
In this paper we define some tridiagonal matrices depending of a parameter from which we will find the -jacobsthal numbers. And from the cofactor matrix of one of these matrices we will prove some formulas for thejacobsthal numbers differently to the traditional form. Finally we will study the eigenvalues of these tridiagonal matrices.
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