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math.PR2023
Renewal processes linked to fractional relaxation equations with variable order
Luisa Beghin, Lorenzo Cristofaro, Roberto Garrappa
We introduce and study here a renewal process defined by means of a time-fractional relaxation equation with derivative order varying with time . In particular, we u…
math.NA2023★ 13 cited
A computational approach to exponential-type variable-order fractional differential equations
Roberto Garrappa, Andrea Giusti
We investigate the properties of some recently developed variable-order differential operators involving order transition functions of exponential type. Since the characterisation…