Nontrivial $t$-designs in polar spaces exist for all $t$
C. Weiß, Des. Codes Cryptogr. (n.d.).

Packings and Steiner systems in polar spaces
K.-U. Schmidt, C. Weiß, Combinatorial Theory 3 (2023).

Existence of small ordered orthogonal arrays
K. Schmidt, C. Weiß, Journal of Combinatorial Designs 31 (2023) 422–431.

Linear programming bounds in classical association schemes
C. Weiß, Linear Programming Bounds in Classical Association Schemes, 2023.

Pushing the Limits of Computational Combinatorial Constructions (Dagstuhl Seminar 23161)
L. Moura, A. Nakic, P. Östergård, A. Wassermann, C. Weiß, Pushing the Limits of Computational Combinatorial Constructions (Dagstuhl Seminar 23161), Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2023.