• In mathematics, specifically in geometric topology, surgery theory is a collection of techniques used to produce one finite-dimensional manifold from another...
    22 KB (3,414 words) - 00:37, 7 March 2025
  • after K. Algebraic L-theory, also known as "Hermitian K-theory", is important in surgery theory. One can define L-groups for any ring with involution R:...
    6 KB (1,062 words) - 19:23, 15 October 2023
  • Thumbnail for Geometric topology
    be studied using the surgery theory program. In dimension 4 and below (topologically, in dimension 3 and below), surgery theory does not work. Indeed...
    13 KB (1,751 words) - 13:17, 15 September 2024
  • In topology, a branch of mathematics, a Dehn surgery, named after Max Dehn, is a construction used to modify 3-manifolds. The process takes as input a...
    8 KB (1,200 words) - 06:40, 28 February 2024
  • manifolds and differentiable manifolds coincide. The two basic questions of surgery theory are whether a topological space with n-dimensional Poincaré duality...
    8 KB (1,108 words) - 02:58, 22 October 2024
  • Thumbnail for Knot theory
    Orr, K (2000), "A survey of applications of surgery to knot and link theory", Surveys on Surgery Theory: Papers Dedicated to C.T.C. Wall, Annals of mathematics...
    49 KB (6,298 words) - 14:21, 14 March 2025
  • Thumbnail for Cobordism
    Cobordism (redirect from Cobordism theory)
    theory, and h-cobordisms are fundamental in the study of high-dimensional manifolds, namely surgery theory. In algebraic topology, cobordism theories...
    34 KB (5,324 words) - 21:03, 21 May 2025
  • Set theory — Shape theory — Small cancellation theory — Spectral theory — Stability theory — Stable theory — Sturm–Liouville theorySurgery theory — Twistor...
    38 KB (4,341 words) - 16:56, 25 May 2025
  • Gender-affirming surgery (GAS) is a surgical procedure, or series of procedures, that alters a person's physical appearance and sexual characteristics...
    63 KB (6,607 words) - 16:48, 24 May 2025
  • patients Surgery (journal), a medical journal Surgery theory, a mathematical operation used in topology; two special cases are: Dehn surgery Hyperbolic...
    1 KB (198 words) - 22:00, 14 February 2021
  • Normal invariant (category Surgery theory)
    topology due to William Browder which is of fundamental importance in surgery theory. Given a Poincaré complex X (more geometrically a Poincaré space), a...
    14 KB (2,386 words) - 02:12, 2 February 2023
  • structure; high-dimensional manifolds are classified algebraically, by surgery theory. "Low dimensions" means dimensions up to 4; "high dimensions" means...
    18 KB (2,310 words) - 17:14, 2 May 2025
  • Thumbnail for Surgery in ancient Rome
    encompassed modern oral surgery, cosmetic surgery, sutures, ligatures, amputations, tonsillectomies, mastectomies, cataract surgeries, lithotomies, hernia...
    68 KB (7,697 words) - 22:22, 18 December 2024
  • Thumbnail for Differential topology
    smoothable topological constructions, such as smooth surgery theory or the construction of cobordisms. Morse theory is an important tool which studies smooth manifolds...
    15 KB (1,837 words) - 17:30, 2 May 2025
  • Thumbnail for Manifold
    Manifold (redirect from Manifold theory)
    can be analyzed by surgery theory similarly to manifolds, and failure to be a manifold is a local obstruction, as in surgery theory. Differential spaces...
    68 KB (9,536 words) - 07:03, 23 May 2025
  • In the mathematical surgery theory the surgery exact sequence is the main technical tool to calculate the surgery structure set of a compact manifold...
    16 KB (3,121 words) - 13:37, 19 May 2023
  • Thumbnail for Handlebody
    Handlebody (category Surgery theory)
    pieces. Handlebodies play an important role in Morse theory, cobordism theory and the surgery theory of high-dimensional manifolds. Handles are used to...
    5 KB (785 words) - 11:35, 21 January 2023
  • Whitehead torsion (category Surgery theory)
    J. H. C. Whitehead. The Whitehead torsion is important in applying surgery theory to non-simply connected manifolds of dimension > 4: for simply-connected...
    12 KB (1,906 words) - 16:47, 18 March 2025
  • theory Spectral theory String theory Sturm-Liouville theory Surgery theory Teichmüller theory Theory of equations Theory of statistics Topos theory Transcendental...
    2 KB (196 words) - 18:28, 23 December 2024
  • Thumbnail for Arf invariant
    Arf invariant (category Surgery theory)
    (4k + 2)-dimensional manifold M which is framed except at a point. In surgery theory, for any 4 k + 2 {\displaystyle 4k+2} -dimensional normal map ( f ,...
    19 KB (3,422 words) - 02:57, 13 May 2025
  • characteristic 2 (applied in knot theory and surgery theory) in topology, the Hasse–Arf theorem in ramification theory, Arf semigroups and Arf rings. Cahit...
    11 KB (991 words) - 11:05, 12 May 2025
  • Wall's finiteness obstruction (category Surgery theory)
    Andrew (2001), "A survey of Wall's finiteness obstruction", Surveys on Surgery Theory, Vol. 2, Annals of Mathematics Studies, vol. 149, Princeton, NJ: Princeton...
    4 KB (527 words) - 21:55, 19 January 2021
  • Thumbnail for Plumbing (mathematics)
    Plumbing (mathematics) (category Surgery theory)
    mathematical field of geometric topology, among the techniques known as surgery theory, the process of plumbing is a way to create new manifolds out of disk...
    6 KB (985 words) - 08:35, 20 November 2023
  • Exotic sphere (category Surgery theory)
    in the development of surgery theory. In fact, these calculations can be formulated in a modern language in terms of the surgery exact sequence as indicated...
    29 KB (3,875 words) - 06:55, 9 May 2025
  • Kervaire invariant (category Surgery theory)
    {\displaystyle L_{4k+2}} , and thus analogous to the other invariants from L-theory: the signature, a 4 k {\displaystyle 4k} -dimensional invariant (either...
    17 KB (2,366 words) - 19:50, 30 May 2025
  • Novikov conjecture (category Surgery theory)
    Cappell, Sylvain; Ranicki, Andrew; Rosenberg, Jonathan (eds.), Surveys on surgery theory. Vol. 1, Annals of Mathematics Studies, Princeton University Press,...
    5 KB (571 words) - 23:11, 31 October 2024
  • H-cobordism (category Surgery theory)
    for which he received the Fields Medal and is a fundamental result in the theory of high-dimensional manifolds. For a start, it almost immediately proves...
    12 KB (1,914 words) - 13:44, 24 March 2025
  • Normal mapping in 3D computer graphics Normal invariants in mathematical surgery theory Normal matrix in linear algebra Normal operator in functional analysis...
    224 bytes (59 words) - 05:08, 10 January 2019
  • Ε-quadratic form (category Surgery theory)
    {\displaystyle (-)^{n}} -quadratic forms, particularly in the context of surgery theory. There is the related notion of ε-symmetric forms, which generalizes...
    12 KB (1,784 words) - 05:04, 21 May 2023
  • quadratic form received the general name L-theory. It is a major tool of surgery theory. In string theory, the K-theory classification of Ramond–Ramond field...
    27 KB (4,403 words) - 06:31, 11 May 2025