Marc Hellmuth, Annachiara Korchmaros, José Antonio Ramírez-Rafael, Bruno Schmidt, Peter F. Stadler, and Sandhya Thekkumpadan Puthiyaveedu. Partial Fitch Graphs: Characterization, Satisfiability and Complexity. Cold Spring Harbor Laboratory, May 2024. [PUMA: Characterization Complexity Fitch Graphs Partial Satisfiability yaff] URL