cross-caps. In Chapter 6 we shall also use the notation RP = S1 e2 for the. ... S4. If M is a closed orientable 3-manifold then it is Z-homology cobordant to a3-manifold which is Haken and hyperbolic [Liv81, My83].
199. 10.4 Bundle spaces are geometric. 203. 10.5 Fundamental groups of S2 E2 -manifolds. ... The errors and typos discovered to date (20 December 2023) have been cor-rected.