Abstract
We show that ${\rm PD}\sb 4$-complexes with free fundamental group are determined by their intersection pairings and that every hermitian form on a finitely generated free module over the group ring of a free group is realized by some such complex.
Citation
Jonathan A. Hillman. "${\rm PD}\sb 4$-complexes with free fundamental group." Hiroshima Math. J. 34 (3) 295 - 306, November 2004. https://doi.org/10.32917/hmj/1150998508
Information
