Non-formal compact manifolds with small Betti numbers.

Fernández, M.Muñoz, VicenteBokan, NedaDjorić, MirjanaFomenko, Anatoly T.Rakić, ZoranWegner, BerndWess, Julius2023-06-202023-06-20200686-7589-059-1https://hdl.handle.net/20.500.14352/53234We show that, for any k ¸ 1, there exist non-formal compact orientable (k ¡ 1)-connected n-manifolds with k-th Betti number bk = b ¸ 0 if and only if n ¸ maxf4k ¡ 1; 4k + 3 ¡ 2bg.engNon-formal compact manifolds with small Betti numbers.book parthttp://www.emis.de/proceedings/CGRT2005/Articles/cgrt15.pdfhttp://www.emis.orgrestricted access515.1FormalityMassey products.Topología1210 Topología