98-479 Kellendonk J.
Exact spectral values for discrete Quantum Pendulum-Integrals (333K, postscript, compressed and uuencoded) Jun 30, 98
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Abstract. For specific choice of parameters the spectrum of the discrete Quantum Pendulum-Integral contains the eigenvalues of a finite matrix which depends analytically on the flux. Under natural continuity assumptions these eigenvalues include the spectral values which may be obtained by the algebraic Bethe-ansatz.

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