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单词 TopicsOnLowDimensionalTopology
释义

topics on low dimensional topology


List of topic on low dimensional topology that should be here at PM

1 Manifolds in general

  • manifoldMathworldPlanetmath

  • homotopyMathworldPlanetmathPlanetmath, homotopy groupsMathworldPlanetmath,

  • isotopyMathworldPlanetmath, mapping class groupPlanetmathPlanetmath, homeotopy

  • homologyPlanetmathPlanetmath and cohomologyMathworldPlanetmath

  • fiber bundleMathworldPlanetmath, characteristic classes

  • piecewise linear topology

  • topological methods in group theory

  • CW complex

2 1-manifolds

  • real line vs projective line

  • circle from a Euclidean loop to a Lie groupMathworldPlanetmath

  • curve

  • knot, link and Jones polynomialMathworldPlanetmath. Prime knotsMathworldPlanetmath

  • torus knots

  • braid

  • loop and string, Witten M-Theory

  • fundamental groupMathworldPlanetmathPlanetmath

  • graph and graph theoryMathworldPlanetmath

3 2-manifolds

  • Mobius strip

  • surface

  • two sphere

  • torus

  • projective planeMathworldPlanetmath

  • Klein bottle

  • genus (genus of topological surface)

  • Euler characteristicMathworldPlanetmath (Euler’s polyhedron formula)

  • Gaussian curvature

  • Nielsen-Thurston classification of surface homeomorphismsMathworldPlanetmathPlanetmath

4 3-manifolds

  • 3 Euclidean three-space

  • S3 three sphere, SO(3), SU(2)

  • surface bundle

  • circle bundleMathworldPlanetmath, lens space, Seifert fiber space (http://planetmath.org/SeifertFiberSpace)

  • homology sphere

  • Poincare conjectureMathworldPlanetmath

  • Dehn’s lemma, loop theorem, sphere theorem

  • annulusMathworldPlanetmath and torus theorems

  • Hopf bundle

5 4-manifolds

  • Donalson’s theory

  • quaternions

  • relativity, space-time

  • surface bundles over surfaces

  • spin structures

  • there are homeomorphic four-manifolds with differentiable structures each, which make them non-diffeomorphic.

  • gauge theory: monopoles

  • classification of simply connected 4-manifolds

  • intersection form

  • geometrization

6 Mathematical physics

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更新时间:2025/5/4 15:49:23