Inverse resonance scattering for Jacobi operators |
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Authors: | E L Korotyaev |
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Institution: | 1.Mathematical Physics Department, Faculty of Physics,St. Petersburg State University,St. Petersburg,Russia |
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Abstract: | The Jacobi operator (Jf)
n
= a
n−1
f
n−1 +a
n
f
n+1 + b
n
f
n
on ℤ with real finitely supported sequences (a
n
− 1)
n∈ℤ and (b
n
)
n∈ℤ is considered. The inverse problem for two mappings (including their characterization): (a
n
, b
n
, n ∈ ℤ) → {the zeros of the reflection coefficient} and (a
n
, b
n
, n ∈ ℤ) → {the eigenvalues and the resonances} is solved. All Jacobi operators with the same eigenvalues and resonances are
also described. |
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Keywords: | |
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