New descriptions of Demazure tableaux and right keys, with applications to convexity. - Matthew J. Willis (2012)

Semistandard tableaux for Demazure characters (key polynomials) and their atoms. - Robert A. Proctor; Matthew J. Willis (Eur. J. Comb., 2015)

Relating the right key to the type A filling map and minimal defining chains. - Matthew J. Willis (Discret. Math., 2016)

Parabolic Catalan numbers count flagged Schur functions and their appearances as type A Demazure characters (key polynomials). - Robert A. Proctor; Matthew J. Willis (Discret. Math. Theor. Comput. Sci., 2017)

Convexity of tableau sets for type A Demazure characters (key polynomials), parabolic Catalan numbers. - Robert A. Proctor; Matthew J. Willis (Discret. Math. Theor. Comput. Sci., 2018)

Row bounds needed to justifiably express flagged Schur functions with Gessel-Viennot determinants. - Robert A. Proctor; Matthew J. Willis (Discret. Math. Theor. Comput. Sci., 2021)