A note on Frobenius inner product and the \(m\)-distance matrices of a tree
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https://doi.org/10.26637/MJM0803/0103Abstract
The \(m\)-distance matrix \(D_m\) of a simple connected undirected graph has an important role in computing the distance matrix \(D\) of the graph from the powers of the adjacency matrix using Hadamard product. This paper shows that for an undirected tree \(T\) with diameter \(d,\left\{D_0 . D_1, \ldots, D_d\right\}\) is an orthogonal basis for the space spanned by the binary equivalent matrices of the first \(d+1\) powers of the adjacency matrix of \(T\) and it gives an invertible conversion matrix for finding the \(m\)-distance matrix of \(T\) using Frobenius inner product on matrices.
Keywords:
Adjacency matrix, Distance matrix, Binary matrix, Diameter, Hadamard product, Frobenius inner product, Frobenius norm, \(m\)-distance matrixMathematics Subject Classification:
Mathematics- Pages: 1321-1327
- Date Published: 01-07-2020
- Vol. 8 No. 03 (2020): Malaya Journal of Matematik (MJM)
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P. A. Asharaf and Bindhu K. Thomas, Distance matrix from adjacency matrix using Hadamard product, Malaya Journal of Matematik, 8(3)(2020), 877-881.
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