2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/168003The present paper is mainly a survey of our work arXiv:0708.4221 and arXiv:0808.2440 but it also contains the announcement of some new results. Its main purpose is to present an accessible introduction to a technique allowing efficient calculations in Lagrangian Floer theory.Paper submitted for the Yashafest 2007Symplectic GeometryDifferential Geometrytext