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math.AP2020
Regularity of global solutions of partial differential equations in non isotropic ultradifferentiable spaces via time-frequency methods
Claudio Mele, Alessandro Oliaro
In this paper we study regularity of partial differential equations with polynomial coefficients in non isotropic Beurling spaces of ultradifferentiable functions of global type. W…
math.AP2019
Global regularity of second order twisted differential operators
Ernesto Buzano, Alessandro Oliaro
In this paper we characterize global regularity in the sense of Shubin of twisted partial differential operators of second order in dimension . These operators form a class cont…