On the absence of the one-sided Poincaré lemma in Cauchy-Riemann manifolds
Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 5, Tome 4 (2005) no. 4, pp. 587-600.

Given an embeddable CR manifold M and a non-characteristic hypersurface SM we present a necessary condition for the tangential Cauchy-Riemann operator ¯ M on M to be locally solvable near a point x 0 S in one of the sides determined by S.

Classification : 32W10, 58J10
Nicola, Fabio 1

1 Dipartimento di Matematica Politecnico di Torino Corso Duca degli Abruzzi, 24 10129 Torino, Italy
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Nicola, Fabio. On the absence of the one-sided Poincaré lemma in Cauchy-Riemann manifolds. Annali della Scuola Normale Superiore di Pisa - Classe di Scienze, Série 5, Tome 4 (2005) no. 4, pp. 587-600. http://www.numdam.org/item/ASNSP_2005_5_4_4_587_0/

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