Abstract
The authors consider the following problem due to A Rényi and I Vincze: if for the entire function f(t)=1+a1t+a2t2+. ... with positive coefficients we have then is it necessary that f(t) ≡ et? Some results in this direction were proved in [2], [5]. Now it is shown that if 1/f is completely monotone then we must have f(t) ≡ et.
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© 1981 Springer-Verlag
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Hall, R.R., Vincze, I. (1981). On a simultaneous characterization of the poisson law and the gamma distribution. In: Dugué, D., Lukacs, E., Rohatgi, V.K. (eds) Analytical Methods in Probability Theory. Lecture Notes in Mathematics, vol 861. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0097313
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DOI: https://doi.org/10.1007/BFb0097313
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