The umbral methods are originated from operational calculus. The umbraloperational methods play an important role in simplifying the theory of special functions. In this article, the umbral-operational methods are used to reformulate the theory of multi-variable generalized Bessel functions. Further, certain results concerning the multi-variable argument expansion are derived.
G. Dattoli, S. Khan, S. Licciardi, M. Haneef (2025). Umbral methods and generalized Bessel functions. TWMS JOURNAL OF PURE AND APPLIED MATHEMATICS, 16(1).
Umbral methods and generalized Bessel functions
S. LicciardiConceptualization
;
2025-01-01
Abstract
The umbral methods are originated from operational calculus. The umbraloperational methods play an important role in simplifying the theory of special functions. In this article, the umbral-operational methods are used to reformulate the theory of multi-variable generalized Bessel functions. Further, certain results concerning the multi-variable argument expansion are derived.
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