Abstract
The Schur theorem provides the global bounds for spectrum of the Hadamard product of two positive semi-definite matrices. In this paper, we obtain lower and upper estimations for each eigenvalue of the Hadamard product of two Hermitian matrices.
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The author would like to thank the reviewer and Dr. D. Venku Naidu for useful comments and suggestions.
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The work is support by ISIRD project (Ref. No. IITRPR/Acad./526) from Indian Institute of Technology Ropar.
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Kosuru, G.S.R. Specific eigenbounds for Hadamard product of Hermitian matrices. J Anal 28, 3–8 (2020). https://doi.org/10.1007/s41478-017-0029-6
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DOI: https://doi.org/10.1007/s41478-017-0029-6