Bulletin of the American Mathematical Society · 1992 · 69 citations · 3 references
Natural SciencesMathematicsGeometryTopologyDifferential GeometryFundamental GroupKnot TheoryLow-dimensional TopologyMatroid TheoryTriangulations Of 3-ManifoldsTriangulations Of Manifolds
A combinatorial formula for the Pontrjagin classes of a triangulated manifold is given. The main ingredients are oriented matroid theory and a modified formulation of Chern-Weil theory.
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Spectral geometry of singular Riemannian spaces
Jeff Cheeger · Journal of Differential Geometry · 1983 · 545 citations · Full text