3. Forced Grading
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Problem 3.1.
[Scott] Is it true for a Schur algebra A, in particular A = S(5, 5) in characteristic 2, that A \cong \tilde{\operatorname{gr}}A, the forced graded algebra in the sense of Parshall–Scott, obtained from the radical series of the corresponding q-Schur algebra?
Cite this as: AimPL: Sheaves and modular representations of reductive groups, available at http://aimpl.org/sheavemodular.