A Schur-Horn Type Theorem for Symplectic Matrices

Authors

DOI:

https://doi.org/10.4208/cmr.2025-0043

Abstract

In this note, we establish a new version of Schur-Horn type theorem for symplectic matrices. Meanwhile, we establish a necessary and sufficient condition for the equality to hold in the above result.

Author Biographies

  • Shaowu Huang

    School of Mathematics and Finance, Putian University, Putian 351100, P.R. China

  • Yimin Wei

    School of Mathematics Sciences and Shanghai Key Laboratory of Contemporary Applied Mathematics, Fudan University, Shanghai 200082, P.R. China

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Published

2025-09-26

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Issue

Vol. 41 No. 3 (2025)

Section

Articles

How to Cite

A Schur-Horn Type Theorem for Symplectic Matrices. (2025). Communications in Mathematical Research, 41(3), 287-295. https://doi.org/10.4208/cmr.2025-0043