The Block Numerical Range of an n × n Block Operator Matrix. - Christiane Tretter; Markus Wagenhofer (SIAM J. Matrix Anal. Appl., 2003)

Eigenvalue enclosures and exclosures for non-self-adjoint problems in hydrodynamics. - B. Malcolm Brown; Matthias Langer; Marco Marletta; Christiane Tretter; Markus Wagenhofer (LMS J. Comput. Math., 2010)

On the Spectrum of the Magnetohydrodynamic Mean-Field α2-Dynamo Operator. - Uwe Günther; Heinz Langer; Christiane Tretter (SIAM J. Math. Anal., 2010)

Eigenvalues of Magnetohydrodynamic Mean-Field Dynamo Models: Bounds and Reliable Computation. - Sabine Boegli; Christiane Tretter (SIAM J. Appl. Math., 2020)

Computing Klein-Gordon Spectra. - Frank Rösler; Christiane Tretter (CoRR, 2022)