Variational framework and Lewy–Stampacchia type estimates for nonlocal operators on Heisenberg group; [Heisenbergin ryhmän paikallistamattomien operaattoreiden variaatiomuotoilu ja Lewyn–Stampacchian tyyppiset arviot]

Abstract

The aim of this article is to derive some Lewy–Stampacchia estimates and the existence of solutions for equations driven by a nonlocal integro-differential operator on the Heisenberg group © 2022. The Finnish Mathematical Society