Robust Rational Approximations of Nonlinear Eigenvalue Problems. - Stefan Güttel; Gian Maria Negri Porzio; Françoise Tisseur (SIAM J. Sci. Comput., 2022)

Tropical Laurent series, their tropical roots, and localization results for the eigenvalues of nonlinear matrix functions. - Gian Maria Negri Porzio; Vanni Noferini; Leonardo Robol (Math. Comput., 2024)