2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/141615We extend the Newlander-Nirenberg theorem to manifolds with almost complex structures that have somewhat less than Lipschitz regularity. We also discuss the regularity of local holomorphic coordinates in the integrable case, with particular attention to Lipschitz almost complex structures.Differential GeometryAnalysis of PDEsComplex Variables35N10text