A method for rational Chebyshev approximation of rational functions on the unit disk and on the unit interval. - Christer Glader (Numer. Algorithms, 2001)

A new algorithm for meromorphic Nevanlinna-Pick interpolation. - Christer Glader; Mikael Lindström (Numerische Mathematik, 2005)

Crouzeix's Conjecture Holds for Tridiagonal 3 x 3 Matrices with Elliptic Numerical Range Centered at an Eigenvalue. - Christer Glader; Mikael Kurula; Mikael Lindström (SIAM J. Matrix Anal. Appl., 2018)