Short-Term Recurrence Krylov Subspace Methods for Nearly Hermitian Matrices. - Mark Embree; Josef A. Sifuentes; Kirk M. Soodhalter; Daniel B. Szyld; Fei Xue (SIAM J. Matrix Anal. Appl., 2012)

GMRES Convergence for Perturbed Coefficient Matrices, with Application to Approximate Deflation Preconditioning. - Josef A. Sifuentes; Mark Embree; Ronald B. Morgan (SIAM J. Matrix Anal. Appl., 2013)

Preconditioning Methods for Thin Scattering Structures Based on Asymptotic Results. - Josef A. Sifuentes; Shari Moskow (SIAM J. Sci. Comput., 2018)

Quantization for Uniform Distributions on Hexagonal, Semicircular, and Elliptical Curves. - Gabriela Pena; Hansapani Rodrigo; Mrinal Kanti Roychowdhury; Josef A. Sifuentes; Erwin Suazo (J. Optim. Theory Appl., 2021)

Numerical Simulations for Fractional Differential Equations of Higher Order and a Wright-Type Transformation. - M. Nacianceno; Tamer Oraby; H. Rodrigo; Y. Sepulveda; Josef A. Sifuentes; Erwin Suazo; T. Stuck; J. Williams (CoRR, 2024)