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 Date: 2013-06-04 09:13:01Homotopy theory Algebraic topology Topological spaces Deformation retract CW complex Adjunction space Homotopy Contractible space Mapping cylinder Topology Mathematics Space |
| More Exercises for Algebraic Topology by Allen Hatcher Chapter[removed]Given a map f : X →Y , show that there exists a map g : Y →X with gf ≃ 11 iff X is a retract of the mapping cylinder Mf[removed]a) Suppose a CW coDocID: 9xVK - View Document |
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