Local exactness of top-degree forms in abstract Cauchy-Riemann complexes
The author proves that the Poincaré lemma is valid for the top degree cohomology of an abstract \(1\)-pseudoconcave CR manifold. The proof employs subelliptic estimates. For related results in a more general context see also \textit{M. Nacinovich} [Rend. Sem. Mat. Univ. Padova 69, 221-232 (1983; Zbl 0531.35018)].
scientific article; zbMATH DE number 1922378