A Proof of Steutel's Conjecture

Author:
  • GKGundorph K. Kristiansen
    Gundorph K. Kristiansen
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Abstract
A proof is given of a conjecture, due to F. W. Steutel: the set of positive $\alpha$-values, for which any positive mixture of $\Gamma(\alpha)$-distributions is infinitely divisible, is the interval (0, 2].