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AlgTop28: Covering spaces and fundamental groups
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Algebraic Topology
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- 1 Introduction to Algebraic Topology | Algebraic Topology 0 | NJ Wildberger
- 2 One-dimensional objects | Algebraic Topology 1 | NJ Wildberger
- 3 Homeomorphism and the group structure on a circle | Algebraic Topology 2 | NJ Wildberger
- 4 Two-dimensional surfaces: the sphere | Algebraic Topology 3 | NJ Wildberger
- 5 Two-dimensional objects--the torus and genus | Algebraic Topology 5 | NJ Wildberger
- 6 Polyhedra and Euler's formula | Algebraic Topology 8 | NJ Wildberger
- 7 The Klein bottle and projective plane | Algebraic Topology 7 | NJ Wildberger
- 8 Non-orientable surfaces---the Mobius band | Algebraic Topology 6 | NJ Wildberger
- 9 More on graphs and Euler's formula | Algebraic Topology 10 | NJ Wildberger
- 10 More applications of winding numbers | Algebraic Topology 13 | NJ Wildberger
- 11 Applications of Euler's formula and graphs | Algebraic Topology 9 | NJ Wildberger
- 12 The Ham Sandwich theorem and the continuum | Algebraic Topology 14 | NJ Wildberger
- 13 AlgTop16: Rational curvature of polytopes and the Euler number
- 14 Rational curvature, winding and turning | Algebraic Topology 11 | NJ Wildberger
- 15 Duality for polygons and the Fundamental theorem of Algebra | Algebraic Topology 12 | NJ Wildberger
- 16 Rational curvature of a polytope | Algebraic Topology 15 | NJ Wildberger
- 17 Classification of combinatorial surfaces (I) | Algebraic Topology 17 | NJ Wildberger
- 18 Classification of combinatorial surfaces (II) | Algebraic Topology 18 | NJ Wildberger
- 19 An algebraic ZIP proof of the classification | Algebraic Topology 19 | NJ Wildberger
- 20 The geometry of surfaces | Algebraic Topology 20 | NJ Wildberger
- 21 The two-holed torus and 3-crosscaps surface 21 | Algebraic Topology | NJ Wildberger
- 22 Knots and surfaces I | Algebraic Topology 22 | NJ Wildberger
- 23 More on the sphere | Algebraic Topology 4 | NJ Wildberger
- 24 Knots and surfaces II | Algebraic Topology 23 | NJ Wildberger
- 25 The fundamental group | Algebraic Topology 24 | NJ Wildberger
- 26 AlgTop25: More on the fundamental group
- 27 AlgTopReview: An informal introduction to abstract algebra
- 28 AlgTopReview2: Introduction to group theory
- 29 AlgTopReview3: More on commutative groups---isomorphisms, homomorphisms, cosets and quotient groups
- 30 AlgTopReview4: Free abelian groups and non-commutative groups
- 31 Covering spaces and 2-oriented graphs | Algebraic Topology 27 | NJ Wildberger
- 32 Covering spaces | Algebraic Topology 26 | NJ Wildberger
- 33 AlgTop28: Covering spaces and fundamental groups
- 34 Universal covering spaces | Algebraic Topology 29 | NJ Wildberger
- 35 An introduction to homology | Algebraic Topology 30 | NJ Wildberger
- 36 An introduction to homology (cont.) | Algebraic Topology 31 | NJ Wildberger
- 37 Simplices and simplicial complexes | Algebraic Topology 32 | NJ Wildberger
- 38 Computing homology groups | Algebraic Topology 33 | NJ Wildberger
- 39 More homology computations | Algebraic Topology 34 | NJ Wildberger
- 40 Delta complexes, Betti numbers and torsion | Algebraic Topology 35 | NJ Wildberger
