Haken, Wolfgang Various aspects of the three-dimensional PoincarĂ© problem. (English) Zbl 0298.55002 Topology of Manifolds, Proc. Univ. Georgia 1969, 140-152 (1971). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 57M40 Characterizations of the Euclidean \(3\)-space and the \(3\)-sphere (MSC2010) 57M05 Fundamental group, presentations, free differential calculus 57M20 Two-dimensional complexes (manifolds) (MSC2010) 57N10 Topology of general \(3\)-manifolds (MSC2010) PDF BibTeX XML