Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
9855066 | Nuclear Physics B | 2005 | 15 Pages |
Abstract
The central elements of the algebra of monodromy matrices associated with the Zn R-matrix are studied. When the crossing parameter w takes a special rational value w=nN, where N and n are positive coprime integers, the center is substantially larger than that in the generic case for which the “quantum determinant” provides the center. In the trigonometric limit, the situation corresponds to the quantum group at roots of unity. This is a higher rank generalization of the recent results by Belavin and Jimbo.
Keywords
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Physical Sciences and Engineering
Mathematics
Mathematical Physics
Authors
Wen-Li Yang, Alexander Belavin, Ryu Sasaki,