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Graphs of Moore-Penrose inverse of matrices possessing the treeangle property
A. M. Encinas, K. Kranthi Priya, K. C. Sivakumar
Source abstract
It is known that the inverse of an invertible real square matrix satisfying the treeangle property, is a treediagonal matrix. A converse statement also holds. We show that the verbatim analogues are not true for the Moore-Penrose inverse, and obtain the precise structure of graphs corresponding to the Moore-Penrose inverse of matrices possessing the treeangle property.
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