BibTeX
@MISC{Etingof94centalelements,
author = {Pavel I. Etingof},
title = {Cental elements for quantum affine . . . },
year = {1994}
}
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Abstract
We describe a generalization of Drinfeld’s description of the center of a quantum group to the case of quantum affine algebras. We use the obtained central elements to construct the affine analogue of Macdonald’s difference operators.
Keyphrases
positive root quantum group simple lie algebra fundamental weight root lattice element ei affine analogue simple root dominant integral weight cartan subalgebra quantum affine algebra drinfeld description short root hopf algebra cartan matrix weight lattice weyl group invariant inner product difference operator formal variable weyl group obtained central element
