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On a classical limit of q-deformed Whittaker functions
Published 24 Jan 2011 in math.AG and math.RT | (1101.4567v1)
Abstract: We provide a derivation of the Givental integral representation of the classical $gl_{\ell+1}$-Whittaker function as a limit $q \to 1$ of the q-deformed $gl_{\ell+1}$-Whittaker function represented as a sum over the Gelfand-Zetlin patterns.
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