2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/76365We describe a very general (nonlinear) Fredholm theory for a new class of ambient spaces, called polyfolds. This theory is applicable to Gromov-Witten and Floer Theory as well as Symplectic Field Theory. It should also be applicable to a wider range of elliptic problems with analytical limiting behaviour.77 Pages, 4 figuresSymplectic GeometryFunctional Analysis46T05,53D50,53D40,54CXX,58D27,58J05text