Fixed-point iterations in determining a Tikhonov regularization parameter in Kirsch's factorization method. - Koung Hee Leem; George Pelekanos; Fermín S. Viloche Bazán (Appl. Math. Comput., 2010)

A maximum product criterion as a Tikhonov parameter choice rule for Kirsch's factorization method. - Fermín S. V. Bazán; Juliano B. Francisco; Koung Hee Leem; George Pelekanos (J. Comput. Appl. Math., 2012)

Using the linear sampling method and an improved maximum product criterion for the solution of the electromagnetic inverse medium problem. - Fermín S. V. Bazán; Juliano B. Francisco; Koung Hee Leem; George Pelekanos (J. Comput. Appl. Math., 2015)

A numerical comparison of different qualitative algorithms for solving 2D inverse elastic scattering problems. - Koung Hee Leem; Jun Liu 025; George Pelekanos (Comput. Appl. Math., 2021)

Fast matrix exponential-based quasi-boundary value methods for inverse space-dependent source problems. - Fermín S. V. Bazán; Luciano Bedin; Koung Hee Leem; Jun Liu 025; George Pelekanos (Networks Heterog. Media, 2023)

A regularized eigenmatrix method for unstructured sparse recovery. - Koung Hee Leem; Jun Liu 025; George Pelekanos (CoRR, 2024)