Generalised row and column removal phenomena and $p$-Kostka numbers

C. Bowman; E. Giannelli

arxiv: 1602.05880 · v2 · pith:D57ZEQCR · submitted 2016-02-18 · math.RT

Generalised row and column removal phenomena and p-Kostka numbers

C. Bowman , E. Giannelli This is my paper

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classification math.RT

keywords algebraskostkanumbersphenomenacolumnexplainextensionformulae

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We explain and generalise row-removal phenomena for Schur algebras via isomorphisms between subquotients of these algebras. In particular, we prove a new reduction formulae for $p$-Kostka numbers and extension groups between Weyl and simple modules.

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Generalised row and column removal phenomena and p-Kostka numbers

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