Preprocessing Speed-Up Techniques Is Hard. - Reinhard Bauer; Tobias Columbus; Bastian Katz; Marcus Krug; Dorothea Wagner (CIAC, 2010)

Search-space size in contraction hierarchies. - Reinhard Bauer; Tobias Columbus; Ignaz Rutter; Dorothea Wagner (Theor. Comput. Sci., 2016)

Systolic Geometry of Translation Surfaces. - Tobias Columbus; Frank Herrlich; Bjoern Muetzel; Gabriela Weitze-Schmithüsen (Exp. Math., 2024)