Efficient Magnus-type integrators for solar energy conversion in Hubbard models. - Winfried Auzinger; Juliette Dubois; Karsten Held; Harald Hofstätter; Tobias Jawecki; Anna Kauch; Othmar Koch; Karolina Kropielnicka; Pranav Singh 001; Clemens Watzenböck (CoRR, 2021)

A review of the Separation Theorem of Chebyshev-Markov-Stieltjes for polynomial and some rational Krylov subspaces. - Tobias Jawecki (CoRR, 2022)

Unitarity of some barycentric rational approximants. - Tobias Jawecki; Pranav Singh 001 (CoRR, 2022)

A study of defect-based error estimates for the Krylov approximation of φ-functions. - Tobias Jawecki (Numer. Algorithms, 2022)

Unitary rational best approximations to the exponential function. - Tobias Jawecki; Pranav Singh 001 (CoRR, 2023)

The error of Chebyshev approximations on shrinking domains. - Tobias Jawecki (CoRR, 2024)

On the restriction to unitarity for rational approximations to the exponential function. - Tobias Jawecki (CoRR, 2024)

Computing the unitary best approximant to the exponential function. - Tobias Jawecki (CoRR, 2025)