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Lame equation, sl(2) algebra and isospectral deformations

A V Turbiner

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It is proven that the n-zone Lame equation is equivalent to a spectral problem for a quadratic element of a universal enveloping sl(2) algebra. The Riemannian surface corresponding to the eigenstates in a parametric space forms the (2n+1)-sheet surface which splits in four subsurfaces; three of them contain the same number of sheets.


PACS

02.10.-v Logic, set theory, and algebra

MSC

14H55 Riemann surfaces; Weierstrass points; gap sequences (See also 30Fxx)

Subjects

Mathematical physics

Dates

Issue 1 (7 January 1989)



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