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Questions

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answer

334

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What is the 31th homotopy group of the 2 - sphere ?

at.algebraic-topology homotopy-theory

1d ago Mark Grant 9,061●1●13●33

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2

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2

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266

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Dilogarithm, tetrahedrons, and hyperbolic space

hyperbolic-geometry geometry polyhedra special-functions polylogarithms

nov 28 at 7:24 unknown (google) 245●8

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answers

73

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Building an invariant Sn structure from two invariant Zn structures

finite-groups geometric-structures geometry ag.algebraic-geometry

oct 12 at 17:35 Trimok 65●4

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2

answers

179

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Surface of a Ideal Tetrahedron in Hyperbolic Space H3

hyperbolic-geometry geometry complex-geometry polyhedra

oct 7 at 11:56 Sam Nead 5,292●12●26