Abstract
In [J. Du, Q. Fu, J.-P. Wang, Infinitesimal quantum gl n and little q-Schur algebras, J. Algebra 287 (2005) 199–233], little q-Schur algebras were introduced as homomorphic images of infinitesimal quantum gl n in the odd root of unity case. In this paper, we shall introduce little q-Schur algebras u k ( n , r ) at even roots of unity. We shall construct various bases for u k ( n , r ) and give the dimension formula of u k ( n , r ) .
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