Laguerre-type exponentials, and the relevant -circular and -hyperbolic functions.
Pseudo Laguerre and pseudo Hermite polynomials
We start from pseudo hyperbolic and trigonometric functions to introduce pseudo Laguerre and Hermite polynomials. We discuss the link with families of Bessel functions and analyze all the associated problems from a unifying point of view, employing operational tools.
Derivation of the Hille-Hardy type formulae and operational methods
The Hille-Hardy formula is a bilinear generating function, involving products of Laguerre polynomials. We use the point of view, developed in previous publications, to propose an operational method which allows a fairly direct derivation of this kind of formulae.
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