@article{dmtcs:2521, title = {Universal geometric coefficients for the four-punctured sphere (Extended Abstract)}, author = {Emily Barnard and Emily Meehan and Shira Polster and Nathan Reading}, url = {https://dmtcs.episciences.org/2521}, doi = {10.46298/dmtcs.2521}, journal = {Discrete Mathematics \& Theoretical Computer Science}, issn = {1365-8050}, volume = {DMTCS Proceedings, 27th International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2015)}, issuetitle = {Proceedings}, eid = 66, year = {2015}, month = {Jan}, keywords = {cluster algebra, four-punctured sphere, Null Tangle Property, universal geometric coefficients, [INFO.INFO-DM] Computer Science [cs]/Discrete Mathematics [cs.DM]}, language = {English}, }