An Operational Calculus Generalization of Ramanujan's Master Theorem
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Publication:6410039
DOI10.1016/J.JMAA.2023.127029arXiv2209.03399WikidataQ122668153 ScholiaQ122668153MaRDI QIDQ6410039
Christophe Vignat, Zachary P. Bradshaw
Publication date: 7 September 2022
Abstract: We give a formal extension of Ramanujan's master theorem using operational methods. The resulting identity transforms the computation of a product of integrals on the half-line to the computation of a Laplace transform. Since the identity is purely formal, we show consistency of this operational approach with various standard calculus results, followed by several examples to illustrate the power of the extension. We then briefly discuss the connection between Ramanujan's master theorem and identities of Hardy and Carr before extending the latter identities in the same way we extended Ramanujan's. Finally, we generalize our results, producing additional interesting identities as a corollary.
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