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arXiv · 1906.04383

Indecomposable $0$-Hecke modules for extended Schur functions

Dominic Searles
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Abstract

The extended Schur functions form a basis of quasisymmetric functions that contains the Schur functions. We provide a representation-theoretic interpretation of this basis by constructing $0$-Hecke modules whose quasisymmetric characteristics are the extended Schur functions. We further prove these modules are indecomposable.

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BibTeXRIS

Dominic Searles. 2019-06-11. Indecomposable $0$-Hecke modules for extended Schur functions. https://arxiv.org/abs/1906.04383

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