38 citations · 109 across the 9 of their papers we have counts for
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math.PR2018★ 5 cited
Lévy processes with respect to the index Whittaker convolution
Rúben Sousa, Manuel Guerra, Semyon Yakubovich
The index Whittaker convolution operator, recently introduced by the authors, gives rise to a convolution measure algebra having the property that the convolution of probability me…
math.CA2018★ 38 cited
On the product formula and convolution associated with the index Whittaker transform
Rúben Sousa, Manuel Guerra, Semyon Yakubovich
We deduce a product formula for the Whittaker function whose kernel does not depend on the second parameter. Making use of this formula, we define the positivity-preserving con…