q-Schur Algebras as Quotients of Quantiz
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R.M. Green
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Article
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1996
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Elsevier Science
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English
⚖ 266 KB
We study the properties of the surjective homomorphism, defined by Beilinson, Lusztig, and MacPherson, from the quantized enveloping algebra of gl to the n Ž . q-Schur algebra, S n, r . In particular, we find an expression for the preimage of q Ž . an arbitrary element of S n, r under this map and a