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math.CV2024
On integral representations of -difference operators and their applications
Antonio Cáceres, Alberto Lastra, Sławomir Michalik +1
Integral representations of two -difference operators are provided in terms of special functions arising in the theory of asymptotic solutions to -difference equations in the…
math.CV2016
On a class of formal power series and their summability
A. Lastra, J. Sanz, J. R. Sendra
A family of formal power series, such that its coefficients satisfy a recursion formula, is characterized in terms of the summability, in the sense of J. P. Ramis, of its elements…