F. Sosa

First Order Structure-Preserving Perturbation Theory for Eigenvalues of Symplectic Matrices

Julio Moro, Christian Mehl, Fredy Sosa, 2020, SIAM J. Matrix Anal. Appl..

Structured perturbation for eigenvalues of symplectic matrices : a multiplicative approach

J. Moro, C. Mehl, F. Sosa, 2017 .

First Order Asymptotic Expansions for Eigenvalues of Multiplicatively Perturbed Matrices

FREDY SOSA, JULIO MORO, J. Moro, 2016, SIAM J. Matrix Anal. Appl..