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.
Dattoli, G., Khan, S., Licciardi, S., Haneef, M. (2025). Umbral methods and generalized Bessel functions. TWMS JOURNAL OF PURE AND APPLIED MATHEMATICS, 16(1), 44-58 [10.30546/2219-1259.16.1.2025.44].
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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