Combinatorics and Representation Theory of Special Cases of Chern Plethysm

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Duration: 3 min 30 s
Description: Chern plethysm (introduced by Billey, Rhoades, and Tewari) is a geometric way to produce Schur positive symmetric polynomials. We present combinatorial interpretations for the Schur expansions of special cases of Chern plethysm. We also exhibit a symmetric group module whose Frobenius characteristic is (a symmetric function analog of) one of these cases, generalizing a result of Reiner and Webb.
Nathaniel Libman; Gidon Orelowitz
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