Title: Introduction to 3-maniflods
Subjects: Topological manifolds, Manifolds (Mathematics), Manifolds and cell complexes -- Topological manifolds -- Geometric structures on manifolds, Manifolds and cell complexes -- Topological manifolds -- Neighborhoods of submanifolds, Manifolds and cell complexes -- Topological manifolds -- General position and transversality, Manifolds and cell complexes -- PL-topology -- Triangulating manifolds, Manifolds and cell complexes -- PL-topology -- Comparison of PL-structures: classification, Hauptvermutung, Manifolds and cell complexes -- PL-topology -- Regular neighborhoods, Manifolds and cell complexes -- PL-topology -- Knots and links (in high dimensions), Manifolds and cell complexes -- Topological manifolds -- Topology of $E 2$, $2$-manifolds, Manifolds and cell complexes -- Topological manifolds -- Topology of general $3$-manifolds, Manifolds and cell complexes -- Topological manifolds -- $S {n-1}\subset E n$, Schoenflies problem, Manifolds and cell complexes -- Topological manifolds -- Topology of $E^2$, $2$-manifolds, Manifolds and cell complexes -- Topological manifolds -- $S^{n-1}\subset E^n$, Schoenflies problem