On sums of range symmetric matrices with reference to indefinite inner product

D. Krishnaswamy () and A. Narayanasamy
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D. Krishnaswamy: Annamalai University
A. Narayanasamy: Annamalai University

Indian Journal of Pure and Applied Mathematics, 2019, vol. 50, issue 2, 499-510

Abstract: Abstract We give necessary and sufficient condition for the sums of range symmetric matrices to be range symmetric with reference to indefinite inner product. As an application it is shown that the sum and parallel sum of parallel summable range symmetric matrices are range symmetric.

Keywords: Indefinite inner product; EP matrix; Range symmetric matrix (search for similar items in EconPapers)
Date: 2019
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DOI: 10.1007/s13226-019-0341-8

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