Baker-Akhiezer function as iterated residue and Selberg-type integral
Abstract
A simple integral formula as an iterated residue is presented for the Baker-Akhiezer function related to An type root system both in the rational and trigonometric cases. We present also a formula for the Baker-Akhiezer function as a Selberg-type integral and generalise it to the deformed An,1-case. These formulas can be interpreted as new cases of explicit evaluation of Selberg-type integrals.
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