3 papers
math.AP2025
Global Solvability for Involutive Systems on Non-Compact Manifolds
Sandro Coriasco, Alexandre Kirilov, Wagner Augusto Almeida de Moraes +1
We establish necessary and sufficient conditions for the closedness of the range of a class of first-order differential operators associated with an involutive structure on $M\time…
math.AP2025
Perturbations of globally hypoelliptic pseudo-differential operators on
Pedro Meyer Tokoro
This paper demonstrates the stability of the global regularity for a class of pseudo-differential operators under lower-order perturbations. We establish that if an operator has a…
math.AP2025
Global hypoellipticity for involutive systems on non-compact manifolds
Sandro Coriasco, Alexandre Kirilov, Wagner Augusto Almeida de Moraes +1
We study the global hypoellipticity of the operator , defined on differential forms over product manifolds of th…