Salvatore Pincherle: the pioneer of the Mellin-Barnes integrals

  • Authors:
  • Francesco Mainardi;Gianni Pagnini

  • Affiliations:
  • Dipartimento di Fisica, Università di Bologna and INFN, Sezione di Bologna, Via Irnerio 46, I-40126 Bologna, Italy;Istituto per le Scienze dell'Atmosfera e del Clima del CNR, Via Gobetti 101, I-40129 Bologna, Italy

  • Venue:
  • Journal of Computational and Applied Mathematics - Proceedings of the sixth international symposium on orthogonal polynomials, special functions and their applications
  • Year:
  • 2003

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Abstract

The 1888 paper by Salvatore Pincherle (Professor of Mathematics at the University of Bologna) on generalized hypergeometric functions is revisited. We point out the pioneering contribution of the Italian mathematician towards the Mellin-Barnes integrals based on the duality principle between linear differential equations and linear difference equation with rational coefficients. By extending the original arguments used by Pincherle, we also show how to formally derive the linear differential equation and the Mellin-Barnes integral representation of the Meijer G functions.