Approximating Prize-Collecting Variants of TSP. - Morteza Alimi; Tobias Mömke; Michael Ruderer (MFCS, 2025)

Approximating Maximum Edge 2-Coloring by Normalizing Graphs. - Tobias Mömke; Alexandru Popa 001; Aida Roshany-Tabrizi; Michael Ruderer; Roland Vincze (Discret. Math. Theor. Comput. Sci., 2025)