• manifold, stable manifold, unstable manifold, subcenter manifold and inertial manifold. Typically, although by no means always, invariant manifolds are...
    5 KB (876 words) - 07:42, 16 June 2025
  • to a nearby stable manifold and nearby unstable manifold. These three types of manifolds are three cases of an invariant manifold. Corresponding to the...
    18 KB (2,574 words) - 15:53, 14 February 2024
  • Thumbnail for Manifold
    manifold has a topological invariant, its dimension. For most applications, a special kind of topological manifold, namely, a differentiable manifold...
    69 KB (9,547 words) - 19:07, 12 June 2025
  • Thumbnail for Nonlinear dimensionality reduction
    a manifold in high-dimensional space, and the intrinsic variables of that manifold will represent the robot's position and orientation. Invariant manifolds...
    48 KB (6,119 words) - 04:01, 2 June 2025
  • A normally hyperbolic invariant manifold (NHIM) is a natural generalization of a hyperbolic fixed point and a hyperbolic set. The difference can be described...
    4 KB (581 words) - 16:32, 27 March 2025
  • Thumbnail for Riemannian manifold
    given a bi-invariant Riemannian metric if and only if it is the product of a compact Lie group with an abelian Lie group. A Riemannian manifold (M, g) is...
    59 KB (8,684 words) - 09:42, 28 May 2025
  • Thumbnail for Hyperbolic manifold
    respective manifolds. Hyperbolic 3-manifold Hyperbolic space Hyperbolization theorem Margulis lemma Normally hyperbolic invariant manifold Kapovich, Michael...
    6 KB (680 words) - 02:46, 5 July 2023
  • Thumbnail for Stable manifold
    respectively. Invariant manifold Center manifold Limit set Julia set Slow manifold Inertial manifold Normally hyperbolic invariant manifold Lagrangian coherent...
    7 KB (1,167 words) - 23:31, 18 April 2023
  • Thumbnail for Invariant (mathematics)
    {\displaystyle K} of a two-dimensional Riemannian manifold ( M , g ) {\displaystyle (M,g)} is invariant under changes of the Riemannian metric g {\displaystyle...
    24 KB (2,787 words) - 13:39, 3 April 2025
  • pseudoholomorphic curves meeting prescribed conditions in a given symplectic manifold. The GW invariants may be packaged as a homology or cohomology class in an appropriate...
    12 KB (1,873 words) - 17:48, 7 April 2025
  • Kervaire invariant is an invariant of a framed ( 4 k + 2 ) {\displaystyle (4k+2)} -dimensional manifold that measures whether the manifold could be surgically...
    17 KB (2,366 words) - 19:50, 30 May 2025
  • signature is an integer invariant which is defined for an oriented manifold M of dimension divisible by four. This invariant of a manifold has been studied in...
    5 KB (795 words) - 22:35, 21 May 2025
  • In mathematics, the eta invariant of a self-adjoint elliptic differential operator on a compact manifold is formally the number of positive eigenvalues...
    3 KB (343 words) - 06:43, 26 February 2025
  • and especially gauge theory, Seiberg–Witten invariants are invariants of compact smooth oriented 4-manifolds introduced by Edward Witten (1994), using the...
    16 KB (2,630 words) - 06:42, 16 June 2025
  • acting on a real infinite-dimensional reflexive space. Invariant manifold Lomonosov's invariant subspace theorem Roman 2008, p. 73 §2 Roman 2008, p. 73...
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  • Thumbnail for Arf invariant
    Arf invariant is particularly applied in geometric topology, where it is primarily used to define an invariant of (4k + 2)-dimensional manifolds (singly...
    19 KB (3,422 words) - 02:57, 13 May 2025
  • is defined to be the invariant manifold on which the dynamics are slow compared to the dynamics off the manifold. The slow manifold in a particular problem...
    11 KB (1,858 words) - 03:20, 27 August 2022
  • Thumbnail for Differentiable manifold
    In mathematics, a differentiable manifold (also differential manifold) is a type of manifold that is locally similar enough to a vector space to allow...
    67 KB (9,497 words) - 20:48, 13 December 2024
  • Thumbnail for Dragon king theory
    networks of coupled oscillators where the system typically orbits in an invariant manifold with a chaotic attractor (where the peak trajectories are low), but...
    36 KB (4,702 words) - 14:07, 5 June 2025
  • framed links also give rise to invariants of 3-manifolds via the Dehn surgery construction. These invariants were discovered by Nicolai Reshetikhin and Vladimir...
    9 KB (1,656 words) - 16:44, 8 May 2025
  • mathematical physics, a pseudo-Riemannian manifold, also called a semi-Riemannian manifold, is a differentiable manifold with a metric tensor that is everywhere...
    9 KB (1,174 words) - 23:45, 10 April 2025
  • Thumbnail for Sivaguru S. Sritharan
    estimate the probability of rare events. Sritharan, S.S. (2019), Invariant Manifold Theory for Hydrodynamic Transition, Courier Dover Publications, ISBN 9780486828282...
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  • Thumbnail for Contact geometry
    conjecture, by Michael Hutchings to define an invariant of smooth three-manifolds, and by Lenhard Ng to define invariants of knots. It was also used by Yakov Eliashberg...
    20 KB (2,527 words) - 18:15, 5 June 2025
  • Thumbnail for Differential topology
    the classification of all smooth manifolds up to diffeomorphism. Since dimension is an invariant of smooth manifolds up to diffeomorphism type, this classification...
    15 KB (1,837 words) - 17:30, 2 May 2025
  • Thumbnail for Lagrangian coherent structure
    {M}}(t_{0})} yields an invariant manifold M ∈ P × I {\displaystyle {\mathcal {M}}\in {\mathcal {P}}\times {\mathcal {I}}} , invariant manifolds and their associated...
    72 KB (10,382 words) - 07:11, 31 March 2025
  • homeomorphism type of the manifold only depends on this intersection form, and on a Z / 2 Z {\displaystyle \mathbb {Z} /2\mathbb {Z} } invariant called the Kirby–Siebenmann...
    25 KB (3,662 words) - 20:54, 2 June 2025
  • Thumbnail for Floer homology
    Floer homology (category 3-manifolds)
    the (universal cover of the) free loop space of a symplectic manifold. SFH is invariant under Hamiltonian isotopy of the symplectomorphism. Here, nondegeneracy...
    37 KB (4,650 words) - 15:56, 6 April 2025
  • states. In mathematics, it has been used to calculate knot invariants and three-manifold invariants such as the Jones polynomial. Particularly, Chern–Simons...
    27 KB (3,591 words) - 12:48, 25 May 2025
  • signature of a spin smooth manifold is divisible by 16, the definition of the Rokhlin invariant is deduced as follows: For 3-manifold N {\displaystyle N} and...
    10 KB (1,517 words) - 17:15, 21 December 2023
  • Poisson manifold is a smooth manifold endowed with a Poisson structure. The notion of Poisson manifold generalises that of symplectic manifold, which in...
    87 KB (12,665 words) - 19:35, 11 June 2025