Revision #785 → #1201 · back to history
addedEuler characteristic (polyhedra)625e5d9deb8f
addedEuler's polyhedron formuladbeaf524994e
addedCayley's modified formula for regular polyhedraa80e1f0e6d0d
addedProjective and toroidal polyhedra1ffe1dbc4fe1
addedEuler characteristic of plane graphsbbff6926dffb
addedEuler characteristic of a connected plane graph1095bc777e31
addedCauchy's proof of Euler's formula36aa3fa1eaba
addedEuler characteristic of a finite CW-complex2360792894c9
addedEuler characteristic of a simplicial complex1ffefe9136d0
addedEuler characteristic via Betti numbers6437e5b4d1fc
addedEuler characteristic (differentiable)4194cf008322
addedHomotopy invariance of Euler characteristic994a2b0be96c
addedContractible space has Euler characteristic 1ccb8f0fe9c4c
addedConvex polyhedron surfacebe6aa3d0c8ac
addedAdditivity under disjoint unione9edc1a7bd2e
addedInclusion–exclusion for Euler characteristic49a793003783
addedFailure of inclusion–exclusion3eedc9547558
addedQuotient space formula21de6431c47e
addedConnected sum formulac1497abfc57c
addedProduct property203e8df0462a
addedCovering space formula7bf9ca5a00b8
addedRiemann–Hurwitz formula8e3233d8ef2d
addedFibration product property9b75d799836d
addedTransfer map composition93b158b0ad1d
addedFootball Euler characteristic7e4186436945
addedSphere Euler characteristic3e63b49a1088
addedReal projective space Euler characteristice128703710eb
addedTorus Euler characteristicfa47a7962e40
addedClosed odd-dimensional manifold has Euler characteristic 011e221dc0136
addedGenus formula for closed orientable surfacesd7f096abf685
addedNon-orientable genus formulad61c7f94e9f4
addedEuler characteristic equals Euler numberbc72c120b5e6
addedGauss–Bonnet theorem15bcb4394b26
addedDescartes' theorem on total defect4001915c677d
addedHadwiger's theorem90640008b0bb
addedEuler characteristic of a combinatorial cell complexa36a0286d682
addedEuler characteristic of a chain complex390de4b80e71
addedEuler characteristic of a coherent sheaf3419b2323c49
addedTeardrop orbifold Euler characteristicf1d6914c4b36
addedEuler characteristic of a bounded finite poset5428955bc223
addedEuler characteristic of a finite categoryeb04bf088b36