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Summary Of: 3-sphere

a 3-sphere is an object with three... A 3-sphere is an example of a... A 3-sphere is also called a... The 3-sphere centered at the origin with radius 1 is called the... The unit 3-sphere is then given by... It describes the 3-sphere as the set of all... so the 3-sphere is important in the polar view of 4... empty intersection of a 3-sphere with a three... As a 3-sphere moves through a given three... again down to a single point as the 3-sphere leaves the hyperplane... on the 3-sphere can be continuously shrunk to a point without leaving the 3... proposes that the 3-sphere is the only three dimensional manifold with these properties... The 3-sphere is homeomorphic to the... which is homeomorphic to the 3-sphere is called a... of the 3-sphere are as follows... The 3-sphere is naturally a... on the 3-sphere giving it the structure of a... the 3-sphere has constant positive... Much of the interesting geometry of the 3-sphere stems from the fact that the 3... giving the 3-sphere the structure of a... A 3-sphere can be constructed... is possible for a point traveling on the 3-sphere to move from one hemi... 3-sphere to the other hemi... 3-sphere by crossing the 2... Performing the same shooting experiment on the 3-sphere gives a map on the 3... When the 3-sphere is considered a... on the 3-sphere in these coordinates is given by... The round metric on the 3-sphere in these coordinates is given by... the 3-sphere is referred to as an...

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Stereographic projection of the hypersphere's parallels (red), meridians (blue) and hypermeridians (green). Due to  conformal property of Stereographic projection, the curves intersect each other orthogonally (in the yellow points) as in 4D. All curves are circles: the curves that intersect <0,0,0,1> have infinite radius  (= straight line). | Stereographic projection | meridians | conformal | mathematics | sphere | Euclidean space | surface | ball | dimensions | 3-manifold | n-sphere | coordinates | complex dimensions | quaternions | quaternions | unit circle | polar coordinates | hyperplane | compact | connected | manifold | simply-connected | Poincaré conjecture | homeomorphism | Grigori Perelman | one-point compactification | topological space | homology groups | infinite cyclic | homology 3-sphere | Poincaré | Poincaré homology sphere | Dehn filling | knot | homotopy groups | finite abelian | homotopy groups of spheres | smooth manifold | embedded submanifold | Euclidean metric | metric | Riemannian manifold | sectional curvature | Lie group | circle group | vector fields | sections | tangent bundle | Lie algebra | parallelizable | trivial | vector fields on spheres | action | circle group | principal circle bundle | Hopf bundle | orbit space | topologically | "gluing" together | scalar field | stereographic projection | Lie group | one-parameter subgroups | exponential map | latitude | longitude | coordinate charts | hyperspherical coordinates | spherical coordinates | round metric | volume form | quaternions | versor | Euler's formula | quaternions and spatial rotations | Hopf bundle | torus | circle | stereographic projection | hyperplane | atlas | coordinate charts | quaternions | group | smooth | Lie group | nonabelian | compact | Sp(1) | spheres | Lie group | S1 | complex numbers | quaternions | octonions | nonassociative | parallelizability | matrix | Pauli matrices | injective | algebra homomorphism | absolute value | square root | determinant | special unitary group | isomorphic | Edwin Abbott Abbott | Flatland | 1884 | Sphereland | 1965 | Dionys Burger | American Journal of Physics | The Divine Comedy | Dante | Hypersphere | 1-sphere | 2-sphere | n-sphere | tesseract | polychoron | simplex | Pauli matrices | rotation group | charts on SO(3) | quaternions and spatial rotations | Hopf bundle | Riemann sphere | Poincaré sphere | Reeb foliation | Clifford torus | American Journal of Physics | Jeffrey R. Weeks | Eric W. Weisstein | MathWorld | Categories | 4-dimensional geometry | Algebraic topology | Elementary geometry | Geometric topology | Mathematical analysis | Quaternions |
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "3-sphere".