In mathematics, a submanifold of a manifold M {\displaystyle M} is a subset S {\displaystyle S} which itself has the structure of a manifold, and for...
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A Riemannian submanifold N {\displaystyle N} of a Riemannian manifold M {\displaystyle M} is a submanifold N {\displaystyle N} of M {\displaystyle M}...
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Symplectic manifold (redirect from Symplectic submanifold)
subspace to a submanifold is co-isotropic (the dual of an isotropic subspace), the submanifold is called co-isotropic. Lagrangian submanifolds of a symplectic...
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In mathematics, a (compact) taut submanifold N of a space form M is a compact submanifold with the property that for every q ∈ M {\displaystyle q\in M}...
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Contact geometry (redirect from Legendrian submanifold)
immersed) submanifolds whose tangent spaces lie inside the contact field: these are called Legendrian submanifolds. Legendrian submanifolds are analogous...
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JSJ decomposition (redirect from Characteristic submanifold)
possibly disconnected). The submanifold Σ with the smallest number of boundary tori is called the characteristic submanifold of M; it is unique (up to isotopy)...
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In dynamical systems, a spectral submanifold (SSM) is the unique smoothest invariant manifold serving as the nonlinear extension of a spectral subspace...
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topology, an area of mathematics, a neat submanifold of a manifold with boundary is a kind of "well-behaved" submanifold. To define this more precisely, first...
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Poisson manifold (redirect from Poisson submanifold)
thing as symplectic submanifolds. Another important generalisation of Poisson submanifolds is given by coisotropic submanifolds, introduced by Weinstein...
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when the curve γ {\displaystyle \gamma } is restricted to lie on a submanifold M {\displaystyle M} of M ¯ {\displaystyle {\bar {M}}} (e.g. for curves...
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idea is to take advantage of the way a differential form restricts to a submanifold, and the fact that this restriction is compatible with the exterior derivative...
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CR manifold (redirect from CR submanifold)
intrinsically the property of being a hypersurface (or certain real submanifolds of higher codimension) in complex space by studying the properties of...
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compact manifold (without boundary), whereas a closed submanifold N of a manifold M means a submanifold that is a closed subset of M, not necessarily compact...
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Riemannian manifold (section Submanifolds)
true for any submanifold of Euclidean space of any dimension. Although John Nash proved that every Riemannian manifold arises as a submanifold of Euclidean...
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Minimal surface (redirect from Minimal submanifold)
Currently the theory of minimal surfaces has diversified to minimal submanifolds in other ambient geometries, becoming relevant to mathematical physics...
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Tangential and normal components (section Submanifold)
on a surface can be broken down the same way. More generally, given a submanifold N of a manifold M, and a vector in the tangent space to M at a point...
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More generally, one can also join manifolds together along identical submanifolds; this generalization is often called the fiber sum. There is also a closely...
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basic geometric idea that applies to subspaces in vector spaces, to submanifolds in manifolds, and suitable subsets of algebraic varieties. For affine...
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Calibrated geometry (redirect from Calibrated submanifold)
constructed the parallel 4-form. A p-dimensional submanifold Σ of M is said to be a calibrated submanifold with respect to φ (or simply φ-calibrated) if...
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Codimension – The codimension of a submanifold is the dimension of the ambient space minus the dimension of the submanifold. Connected sum Connection Cotangent...
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conditions and reasons for PDRs to reduce to homotopy theory. Immersed submanifold Isometric immersion Submersion This definition is given by Bishop & Crittenden...
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the metric tensor defined on a submanifold that is induced from the metric tensor on a manifold into which the submanifold is embedded, through the pullback...
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plane is a plane in a Euclidean space or affine space which meets a submanifold at a point in such a way as to have a second order of contact at the...
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hypersurface to the unit sphere Sn − 1 ⊆ Rn. For a general oriented k-submanifold of Rn the Gauss map can also be defined, and its target space is the...
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Intuitively, one can think of a submanifold as a surface embedded inside of a Calabi–Yau manifold, although submanifolds can also exist in dimensions different...
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Algebraic manifold (redirect from Algebraic submanifold)
In mathematics, an algebraic manifold is an algebraic variety which is also a manifold. As such, algebraic manifolds are a generalisation of the concept...
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Complex manifold (redirect from Complex submanifold)
that every smooth n-dimensional manifold can be embedded as a smooth submanifold of R2n, whereas it is "rare" for a complex manifold to have a holomorphic...
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to be determined in the calculus of variations Lagrangian submanifold, a class of submanifolds in symplectic geometry Lagrangian system, a pair consisting...
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it is (locally) a submanifold. One can define the dimension of S to be the largest dimension at points at which it is a submanifold. It is not hard to...
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intersection may fail to be a submanifold, having some sort of singular point. In particular, this means that transverse submanifolds of complementary dimension...
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