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1. Realization of Extremal Spectral Data by Pentadiagonal Matrices.

Author

Pickmann-Soto, Hubert, Arela-Pérez, Susana, Lozano, Charlie, and Nina, Hans

Subjects
*NONSYMMETRIC matrices, *SYMMETRIC matrices, *INVERSE problems, *MATRICES (Mathematics)
Abstract

In this paper, we address the extremal inverse eigenvalue problem for pentadiagonal matrices. We provide sufficient conditions for their existence and realizability through new constructions that consider spectral data of its leading principal submatrices. Finally, we present some examples generated from the algorithmic procedures derived from our results. [ABSTRACT FROM AUTHOR]

Published
2024
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