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The Smith normal form of product distance matrices

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Bapat R. B., Sivasubramanian S.

Special Matrices

2016

tom 4

nr 1

46-55

Let G = (V, E) be a connected graph with 2-connected blocks H1, H2, . . . , Hr. Motivated by the exponential distance matrix, Bapat and Sivasubramanian in [4] defined its product distance matrix DG and showed that det DG only depends on det DHi for 1 ≤ i ≤ r and not on the manner in which its blocks are connected. In this work, when distances are symmetric, we generalize this result to the Smith Normal Form of DG and give an explicit formula for the invariant factors of DG.

Ograniczanie wyników

1 Special Matrices

1 Bapat R. B.

1 Sivasubramanian S.

1 2016

Wyniki wyszukiwania

The Smith normal form of product distance matrices