Abstract
We prove that the eigenvalues of the semigroup of the Cauchy process killed upon exiting the interval have at most double multiplicity. In passing we obtain an interesting identity involving Fourier transform.
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Communicated by Gabriella DiBlasio.
The research was supported by KBN grant 1 P03A 020 28.
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Kwaśnicki, M. Eigenvalues of the Cauchy process on an interval have at most double multiplicity. Semigroup Forum 79, 183–192 (2009). https://doi.org/10.1007/s00233-009-9166-9
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DOI: https://doi.org/10.1007/s00233-009-9166-9