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arXiv · 1010.0447

Norms of eigenfunctions to trigonometric KZB operators

E. Jensen·A. Varchenko
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Abstract

Let $g$ be a simple Lie algebra and $V[0]=V_1\otimes...\otimes V_n[0]$ the zero weight subspace of a tensor product of $g$-modules. The trigonometric KZB operators are commuting differential operators acting on $V[0]$-valued functions on the Cartan subalgebra of $g$. Meromorphic eigenfunctions to the operators are constructed by the Bethe ansatz. We introduce a scalar product on a suitable space of functions such that the operators become symmetric, and the square of the norm of a Bethe eigenfunction equals the Hessian of the master function at the corresponding critical point.

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BibTeXRIS

E. Jensen, A. Varchenko. 2011-04-22. Norms of eigenfunctions to trigonometric KZB operators. https://arxiv.org/abs/1010.0447

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