@article{dmtcs:4158, title = {Convexity of tableau sets for type A Demazure characters (key polynomials), parabolic Catalan numbers}, author = {Robert A. Proctor and Matthew J. Willis}, url = {https://dmtcs.episciences.org/4158}, doi = {10.23638/DMTCS-20-2-3}, journal = {Discrete Mathematics \& Theoretical Computer Science}, issn = {1365-8050}, volume = {vol. 20 no. 2}, issuetitle = {Combinatorics}, eid = 3, year = {2018}, month = {Aug}, keywords = {Mathematics - Combinatorics, 05E10, 05A05, 14M15, 52B12}, }