• In 4-dimensional topology, a branch of mathematics, Rokhlin's theorem states that if a smooth, orientable, closed 4-manifold M has a spin structure (or...
    10 KB (1,517 words) - 17:15, 21 December 2023
  • has been studied in detail, starting with Rokhlin's theorem for 4-manifolds, and Hirzebruch signature theorem. Given a connected and oriented manifold...
    5 KB (789 words) - 02:11, 28 September 2024
  • (mathematical logic) Rokhlin's theorem (geometric topology) Rolle's theorem (calculus) Rosser's theorem (number theory) Rouché's theorem (complex analysis)...
    73 KB (6,015 words) - 12:17, 2 August 2024
  • Thumbnail for Vladimir Abramovich Rokhlin
    Nikolai V. Ivanov, Anatoly Vershik and Oleg Viro. Rokhlin's contributions to topology include Rokhlin's theorem, a result of 1952 on the signature of 4-manifolds...
    8 KB (622 words) - 19:32, 23 March 2024
  • In differential geometry, the Atiyah–Singer index theorem, proved by Michael Atiyah and Isadore Singer (1963), states that for an elliptic differential...
    53 KB (7,529 words) - 04:31, 30 May 2024
  • parity. Unimodular lattice Donaldson theory Yang–Mills equations Rokhlin's theorem Donaldson, S. K. (1983-01-01). "An application of gauge theory to...
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  • construct Rokhlin towers where each level is probabilistically independent of the partition. The Rokhlin lemma can be used to prove some theorems. For example...
    23 KB (3,893 words) - 01:17, 4 February 2024
  • that a spin 4-manifold has signature a multiple of eight. In fact, Rokhlin's theorem implies that a smooth compact spin 4-manifold has signature a multiple...
    6 KB (966 words) - 22:30, 19 September 2024
  • not admit a smooth structure. This essentially demonstrates that Rokhlin's theorem holds only for smooth structures, and not topological manifolds in...
    4 KB (520 words) - 20:22, 27 November 2023
  • discovered by Michael Freedman in 1982. Rokhlin's theorem shows that it has no smooth structure (as does Donaldson's theorem), and in fact, combined with the...
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  • Thumbnail for Homotopy groups of spheres
    of spheres is cyclic of order 24, first proved by Vladimir Rokhlin, implies Rokhlin's theorem that the signature of a compact smooth spin 4-manifold is...
    82 KB (7,977 words) - 00:48, 18 September 2024
  • topology, there are two Whitney embedding theorems, named after Hassler Whitney: The strong Whitney embedding theorem states that any smooth real m-dimensional...
    13 KB (1,956 words) - 01:12, 30 September 2024
  • based on the isomorphism theorem for standard Borel spaces (Kechris 1995, Theorem (15.6)). An alternate approach of Rokhlin, based on measure theory,...
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  • Thumbnail for Shizuo Kakutani
    Japanese and American mathematician, best known for his eponymous fixed-point theorem. Kakutani attended Tohoku University in Sendai, where his advisor was Tatsujirō...
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  • Thumbnail for Coiflet
    Coiflet (section Theorem 1)
    been used in many applications using Calderón–Zygmund operators. Some theorems about Coiflets: For a wavelet system { ϕ , ϕ ~ , ψ , ψ ~ , h , h ~ , g...
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  • in particular. Measure-preserving systems obey the Poincaré recurrence theorem, and are a special case of conservative systems. They provide the formal...
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  • Thumbnail for Cubic surface
    Kharlamov, V. M. (2000), "Topological properties of real algebraic varieties: Rokhlin's way.", Russian Mathematical Surveys, 55 (4): 735–814, arXiv:math/0004134...
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  • Thumbnail for Mikhael Gromov (mathematician)
    topological restrictions (such as the Cheeger–Gromoll soul theorem or Cartan–Hadamard theorem) on geodesically complete Riemannian manifolds of positive...
    48 KB (3,751 words) - 02:12, 25 September 2024
  • differentiation theorem Lebesgue integration Lebesgue measure Infinite-dimensional Lebesgue measure Lebesgue point Lebesgue space Lebesgue–Rokhlin probability...
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  • Thumbnail for Vladimir Arnold
    Russian mathematician. He is best known for the Kolmogorov–Arnold–Moser theorem regarding the stability of integrable systems, and contributed to several...
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  • the Rokhlin invariant, a fundamental tool in the theory of 3- and 4-dimensional manifolds. In 1961, Jan-Erik Roos published an incorrect theorem about...
    35 KB (4,299 words) - 00:10, 6 September 2024
  • Gudkov's conjecture (category Theorems in algebraic geometry)
    maximal components of the curve.) The theorem was proved by the combined works of Vladimir Arnold and Vladimir Rokhlin. Hilbert's sixteenth problem Tropical...
    2 KB (236 words) - 00:36, 19 November 2022
  • large-frequency eigenfunctions of the Laplacian on a negatively-curved manifold Rokhlin's multiple mixing problem – are all strongly mixing systems also strongly...
    191 KB (19,642 words) - 10:49, 5 October 2024
  • Thumbnail for Lev Pontryagin
    criterion for planar dynamical systems Kuratowski's theorem, also called the Pontryagin–Kuratowski theorem, on planar graphs Pontryagin class Pontryagin duality...
    12 KB (1,034 words) - 00:35, 30 April 2024
  • Thumbnail for Henri Lebesgue
    Lebesgue–Rokhlin probability space Lebesgue–Stieltjes integration Lebesgue–Vitali theorem Blaschke–Lebesgue theorem Borel–Lebesgue theorem Fatou–Lebesgue...
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  • by the Rokhlin formula for entropy. Then using the Shannon–McMillan–Breiman theorem, with its equipartition property, we obtain Lochs' theorem. A covering...
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  • Thumbnail for Yakov Eliashberg
    Mappings, from Leningrad University in 1972, under the direction of Vladimir Rokhlin. Due to the growing anti-Semitism in the Soviet Union, from 1972 to 1979...
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  • simply connected, only that its fundamental group is perfect (see Hurewicz theorem). A rational homology sphere is defined similarly but using homology with...
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  • set, but it is always a semialgebraic set: this is the Tarski–Seidenberg theorem. Related fields are o-minimal theory and real analytic geometry. Examples:...
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  • {\displaystyle b_{ij}=(x_{j}-y_{i})A_{j}(y_{i})B_{i}(x_{j})\,}     (Schechter 1959, Theorem 1) where Ai(x) and Bi(x) are the Lagrange polynomials for ( x i ) {\displaystyle...
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