Distance-preserving graph contractions. - Karl Däubel; Yann Disser; Max Klimm; Torsten Mütze; Frieder Smolny (CoRR, 2017)

Distance-Preserving Graph Contractions. - Aaron Bernstein; Karl Däubel; Yann Disser; Max Klimm; Torsten Mütze; Frieder Smolny (SIAM J. Discret. Math., 2019)

Multiscale algorithms in discrete optimization. - Frieder Smolny (2024)