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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…
math.AP2012★ 1 cited
Regularity of class of differential operators
Ernesto Buzano, Alessandro Oliaro
In this paper we deal with the problem of regularity for non hypo-elliptic partial differential equations with polynomial coefficients. An operator on on the space of tempered…