Muñoz, Vicente2023-06-202023-06-2020001019-8385https://hdl.handle.net/20.500.14352/58464We extend the notion of basic classes (for the Donaldson invariants) to 4-manifolds with b+ > 1 which are (potentially) not of simple type or satisfy b1 > 0.We also give a structure theorem for the Donaldson invariants of 4-manifolds with b+ > 1, b1 > 0 and of strong simple type.engjournal articlehttp://arxiv.org/pdf/math/9811089v2.pdfhttp://arxiv.orgopen access515.14-manifoldsDonaldson invariantsFukaya-Floer homology.Topología1210 Topología