Optimizing Rayleigh quotient with symmetric constraints and their applications to perturbations of the structured polynomial eigenvalue problem. - Anshul Prajapati; Punit Sharma (CoRR, 2021)

Estimation of Structured Distances to Singularity for Matrix Pencils with Symmetry Structures: A Linear Algebra-Based Approach. - Anshul Prajapati; Punit Sharma (SIAM J. Matrix Anal. Appl., 2022)

Eigenvalue backward errors of Rosenbrock systems and optimization of sums of Rayleigh quotient. - Ding Lu; Anshul Prajapati; Punit Sharma; Shreemayee Bora (CoRR, 2024)

Eigenvalue Backward Errors of Rosenbrock Systems and Optimization of Sums of Rayleigh Quotients. - Ding Lu; Anshul Prajapati; Punit Sharma; Shreemayee Bora (SIAM J. Matrix Anal. Appl., 2025)