• the study of dynamical systems and differential equations, the stable manifold theorem is an important result about the structure of the set of orbits...
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  • Thumbnail for Stable manifold
    particular the study of dynamical systems, the idea of stable and unstable sets or stable and unstable manifolds give a formal mathematical definition to the general...
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  • neighbourhood. Linear approximation Stable manifold theorem Arrowsmith, D. K.; Place, C. M. (1992). "The Linearization Theorem". Dynamical Systems: Differential...
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  • direction defines the stable manifold, the stretching direction defining the unstable manifold, and the neutral direction is the center manifold. While geometrically...
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  • Atiyah–Singer index theorem, proved by Michael Atiyah and Isadore Singer (1963), states that for an elliptic differential operator on a compact manifold, the analytical...
    53 KB (7,529 words) - 04:31, 30 May 2024
  • topology, a branch of mathematics, Rokhlin's theorem states that if a smooth, orientable, closed 4-manifold M has a spin structure (or, equivalently, the...
    10 KB (1,517 words) - 17:15, 21 December 2023
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    manifold is a topological space that locally resembles Euclidean space near each point. More precisely, an n {\displaystyle n} -dimensional manifold,...
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  • equilibrium point (x*, y*) is called the community matrix. By the stable manifold theorem, if one or both eigenvalues of A {\displaystyle \mathbf {A} } have...
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  • In mathematics and especially differential geometry, a Kähler manifold is a manifold with three mutually compatible structures: a complex structure, a...
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  • Alternately, conservative systems are those to which the Poincaré recurrence theorem applies. An important special case of conservative systems are the measure-preserving...
    12 KB (1,808 words) - 02:58, 25 November 2023
  • separability of the classes, and measures of geometry, topology, and density of manifolds. For non-binary classification problems, instance hardness is a bottom-up...
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  • non-embedded) manifold with a given stable trivialisation of the tangent bundle. A related notion is the concept of a π-manifold. A smooth manifold M {\displaystyle...
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  • Kähler manifold. The theorem can be considered a vast generalisation of the Narasimhan–Seshadri theorem which defines a correspondence between stable vector...
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  • Thumbnail for Richard S. Hamilton
    heat flow, using a convergence theorem for the flow to show that any smooth map from a closed manifold to a closed manifold of nonpositive curvature can...
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  • opposite in sign. Hence by the stable manifold theorem, the equilibrium is a saddle point and there exists a unique stable arm, or “saddle path”, that converges...
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  • correspondence (or Donaldson–Uhlenbeck–Yau theorem) relates stable vector bundles over a complex manifold to Einstein–Hermitian vector bundles. The correspondence...
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  • mathematics. All manifolds are topological manifolds by definition. Other types of manifolds are formed by adding structure to a topological manifold (e.g. differentiable...
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  • a branch of mathematics, the stable normal bundle of a differentiable manifold is an invariant which encodes the stable normal (dually, tangential) data...
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  • the annulus theorem in dimensions n ≥ 5 {\displaystyle n\geq 5} . It was also employed in further investigations of topological manifolds with Laurent...
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  • The most common is the stable manifold or its kin, the unstable manifold. Ushiki's theorem was published in 1980. The theorem appeared in print again...
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  • } The stable equivalence is an equivalence relation on semialgebraic subsets generated by stable projections and rational equivalence. Theorem (Mnëv's...
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  • version of the transversality theorem. Let f : X → Y {\displaystyle f\colon X\rightarrow Y} be a smooth map between smooth manifolds, and let Z {\displaystyle...
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  • Thumbnail for Shing-Tung Yau
    formula for the area of a stable minimal hypersurface of a three-dimensional Riemannian manifold. The Gauss–Bonnet theorem then highly constrains the...
    116 KB (10,419 words) - 17:57, 21 June 2024
  • eigenvalues of the community matrix have negative real part, then by the stable manifold theorem the system converges to a limit point. Since the determinant is...
    10 KB (1,524 words) - 20:34, 6 February 2024
  • Thumbnail for Curve-shortening flow
    1093/imanum/drw020, MR 3649420. Epstein, C. L.; Weinstein, M. I. (1987), "A stable manifold theorem for the curve shortening equation", Communications on Pure and...
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  • Thumbnail for Differential geometry
    Riemannian manifolds, Darboux's theorem states that all symplectic manifolds are locally isomorphic. The only invariants of a symplectic manifold are global...
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  • equations, vector fields on smooth manifolds and flows generated by them, and diffeomorphisms. Structurally stable systems were introduced by Aleksandr...
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  • studies spaces that are almost manifolds, but not quite. A string can serve as an example of a one-dimensional manifold, if one neglects its thickness...
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    equations. Attractor Hyperbolic set Periodic point Self-oscillation Stable manifold Thomas, Jeffrey P.; Dowell, Earl H.; Hall, Kenneth C. (2002), "Nonlinear...
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  • intimately related to the transversality properties of smooth manifolds—see Thom transversality theorem. By reversing this construction, John Milnor and Sergei...
    13 KB (1,951 words) - 05:38, 22 April 2024