2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/58834We generalise the notion of contact manifold by allowing the contact distribution to have codimension two. There are special features in dimension six. In particular, we show that the complex structure on a three-dimensional complex contact manifold is determined solely by the underlying contact distribution.7 pagesDifferential Geometry53C15 (Primary), 35F20 (Secondary)text