@article{dmtcs:3727, title = {Parabolic Catalan numbers count flagged Schur functions and their appearances as type A Demazure characters (key polynomials)}, author = {Robert A. Proctor and Matthew J. Willis}, url = {https://dmtcs.episciences.org/3727}, doi = {10.23638/DMTCS-19-3-15}, journal = {Discrete Mathematics \& Theoretical Computer Science}, issn = {1365-8050}, volume = {Vol. 19 no. 3}, issuetitle = {Combinatorics}, eid = 15, year = {2017}, month = {Dec}, keywords = {Mathematics - Combinatorics, 05E15, 05A15, 05E10, 14M15}, }