Realizability Makes A Difference: A Complexity Gap For Sink-Finding in USOs. - Simon Weber 001; Joel Widmer (WADS, 2023)

Realizability in Matoušek Unique Sink Orientations: Characterization and Complexity Gap. - Bernd Gärtner; Simon Weber 001; Joel Widmer (Electron. J. Comb., 2025)