Mathematics – Representation Theory
Scientific paper
2011-12-28
Mathematics
Representation Theory
18 pages
Scientific paper
We give a simplified description of quantum affine algebras in their loop
presentation. This description is related to Drinfeld's new realization via
halves of vertex operators. We also define an idempotent version of the quantum
affine algebra which is suitable for categorification.
Cautis Sabin
Licata Anthony
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