Perturbations by lower order terms do not destroy the global hypoellipticity of certain systems of pseudodifferential operators defined on torus.

Autor: Ferra, Igor Ambo1 (AUTHOR), Petronilho, Gerson2 (AUTHOR) gersonp@ufscar.br
Zdroj: Mathematische Nachrichten. Jul2023, Vol. 296 Issue 7, p2780-2794. 15p.
Databáze: Academic Search Ultimate
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