Completeness of the system of eigenfunctions of a nonelliptic operator on the torus, generated by a Hill operator with a finite-zone potential (Q2639247)
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| English | Completeness of the system of eigenfunctions of a nonelliptic operator on the torus, generated by a Hill operator with a finite-zone potential |
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Completeness of the system of eigenfunctions of a nonelliptic operator on the torus, generated by a Hill operator with a finite-zone potential (English)
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1988
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See the review in Zbl 0655.35062.
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self-adjoint non-elliptic operator
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Hill type
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point spectrum
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eigenvalues
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eigenvectors
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completeness
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