3-manifold

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221	PDF Document Add to Reading List Source URL: library.msri.org Language: English - Date: 1998-06-23 18:38:47 Sphere theorem Sectional curvature Ricci curvature Sphere Riemannian manifold Gauss–Bonnet theorem Cut locus Exponential map 3-sphere Geometry Differential geometry Riemannian geometry
222	PDF Document Add to Reading List Source URL: cosmos.phy.tufts.edu Language: English - Date: 2004-03-28 16:54:37 Geometry Shape of the Universe Universe Cosmology Observable universe Hyperbolic geometry Metric expansion of space Big Bang 3-manifold Physical cosmology Physics Space