Imaginary Schur-Weyl Duality:
Alexander Kleshchev
MR1804485(2002h:20013) Jonathan Brundan and Alexander Kleshchev,
Modular Littlewood-Richardson coefficients, Math. Z. 232 (1999), no. 2, 287–320,
DOI 10.1007/s002090050516. MR1718701 (2000i:20071) Jonathan Brundan
and ...