Let $P$ be a linear partial differential operator with coefficients in the Gevrey class $G^s(T^n)$ where $T^n$ is the $n$-dimensional torus and $s\geq 1$. We prove that if $P$ is $s$-globally hypoelliptic in $T^n$ then its transpose operator $^tP$ is $s$-globally solvable in $T^n$, thus extending to the Gevrey classes the well-known analogous result of HORMANDER in the corresponding $C^\infty$ class.

Global hypoellipticity and global solvability in Gevrey classes on the n-dimensional torus

ALBANESE, Angela Anna;
2004-01-01

Abstract

Let $P$ be a linear partial differential operator with coefficients in the Gevrey class $G^s(T^n)$ where $T^n$ is the $n$-dimensional torus and $s\geq 1$. We prove that if $P$ is $s$-globally hypoelliptic in $T^n$ then its transpose operator $^tP$ is $s$-globally solvable in $T^n$, thus extending to the Gevrey classes the well-known analogous result of HORMANDER in the corresponding $C^\infty$ class.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11587/102077
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