Given a closed 4-manifold M, let M* be the simply-connected 4-manifold obtained from M by killing the fundamental group. We study the relation between the intersection forms λM and λM*. Finally some topological consequences and examples are described.
@article{urn:eudml:doc:41166, title = {On the intersection forms of closed 4-manifolds.}, journal = {Publicacions Matem\`atiques}, volume = {36}, year = {1992}, pages = {73-83}, zbl = {0779.57012}, language = {en}, url = {http://dml.mathdoc.fr/item/urn:eudml:doc:41166} }
Cavicchioli, Alberto; Hegenbarth, Friedrich. On the intersection forms of closed 4-manifolds.. Publicacions Matemàtiques, Tome 36 (1992) pp. 73-83. http://gdmltest.u-ga.fr/item/urn:eudml:doc:41166/