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20202026
most citedDerivatives of symplectic eigenvalues and a Lidskii type theorem

17 citations · 27 across the 7 of their papers we have counts for

collaborators

8 papers

math.FA2026

Derivatives of symplectic spectral functions

Hemant K. Mishra, Niloy Paul, Temjensangba

A symplectic spectral function of a real positive definite matrix is a function of its symplectic eigenvalues , which is given…

math.FA2026

Lidskii theorem for directional derivatives of symplectic eigenvalues

Hemant K. Mishra

In this paper, we present a refinement of the symplectic Lidskii theorem for directional derivatives of symplectic eigenvalues, which is inspired by the work of Sendov [Electron. J…

math.FA2026

Majorization between symplectic spectra of positive semidefinite matrices

Temjensangba, Hemant K. Mishra, Niloy Paul

Given real symmetric positive semidefinite matrix with symplectic kernel, there exists a real \emph{symplectic matrix} such that $M^TAM= D \op…

math.FA2024

On generalization of Williamson's theorem to real symmetric matrices

Hemant K. Mishra

Williamson's theorem states that if is a real symmetric positive definite matrix then there exists a real symplectic matrix such that $M^T A M…

math.FA2023★ 3 cited

Block perturbation of symplectic matrices in Williamson's theorem

Gajendra Babu, Hemant K. Mishra

Williamson's theorem states that for any real positive definite matrix , there exists a real symplectic matrix such that , wh…

quant-ph2023★ 3 cited

Pretty good measurement for bosonic Gaussian ensembles

Hemant K. Mishra, Ludovico Lami, Prabha Mandayam +1

The pretty good measurement is a fundamental analytical tool in quantum information theory, giving a method for inferring the classical label that identifies a quantum state chosen…

math.FA2020★ 4 cited

First order sensitivity analysis of symplectic eigenvalues

Hemant K. Mishra

For every positive definite matrix there are positive numbers associated with called the symplectic eigenvalues of …

math.FA2020★ 17 cited

Derivatives of symplectic eigenvalues and a Lidskii type theorem

Tanvi Jain, Hemant K. Mishra

Associated with every real positive definite matrix there exist positive numbers called the symplectic eigenvalues of and a basis of c…