• In mathematics, codimension is a basic geometric idea that applies to subspaces in vector spaces, to submanifolds in manifolds, and suitable subsets of...
    7 KB (947 words) - 08:26, 18 May 2023
  • In algebraic geometry, divisors are a generalization of codimension-1 subvarieties of algebraic varieties. Two different generalizations are in common...
    41 KB (6,612 words) - 00:21, 12 April 2025
  • Thumbnail for Hyperplane
    between a subspace and its ambient space is known as its codimension. A hyperplane has codimension 1. In geometry, a hyperplane of an n-dimensional space...
    10 KB (1,372 words) - 23:36, 1 February 2025
  • linear algebra and geometry, relative dimension is the dual notion to codimension. In linear algebra, given a quotient map V → Q {\displaystyle V\to Q}...
    1 KB (160 words) - 23:16, 12 May 2024
  • Thumbnail for Immersion (mathematics)
    bundle, so it cannot immerse in codimension 0 (in ⁠ R 2 {\displaystyle \mathbb {R} ^{2}} ⁠), though it embeds in codimension 1 (in ⁠ R 3 {\displaystyle \mathbb...
    23 KB (2,874 words) - 09:43, 3 September 2024
  • Thumbnail for Foliation
    is called the dimension of the foliation and q = n − p is called its codimension. In some papers on general relativity by mathematical physicists, the...
    70 KB (8,146 words) - 01:22, 29 May 2025
  • the middle dimension has codimension more than 2: when the codimension is 2, one encounters knot theory, but when the codimension is more than 2, embedding...
    18 KB (2,310 words) - 17:14, 2 May 2025
  • Thumbnail for Bifurcation theory
    stable manifolds of the saddle. In three or more dimensions, higher codimension bifurcations can occur, producing complicated, possibly chaotic dynamics...
    16 KB (1,867 words) - 01:22, 23 May 2025
  • tautness is a rigidity property of foliations. A taut foliation is a codimension 1 foliation of a closed manifold with the property that every leaf meets...
    3 KB (392 words) - 03:48, 19 November 2024
  • something happens, it happens in a particular codimension". For example, ramification is a phenomenon of codimension 1 (in the geometry of complex manifolds...
    3 KB (395 words) - 09:51, 15 September 2021
  • Thumbnail for Plateau's problem
    perimeters (De Giorgi) for codimension 1 and the theory of rectifiable currents (Federer and Fleming) for higher codimension have been developed. The theory...
    8 KB (938 words) - 02:33, 12 May 2024
  • Thumbnail for Contact geometry
    integrability' of a hyperplane distribution, i.e. that it be tangent to a codimension one foliation on the manifold, whose equivalence is the content of the...
    20 KB (2,527 words) - 20:50, 23 May 2025
  • boundary (top dimension and codimension 1 boundary) and manifolds with corners (top dimension, codimension 1 boundary, codimension 2 corners), real or complex...
    5 KB (751 words) - 07:38, 29 January 2025
  • Y} ). A codimension-1 subvariety Z ⊂ X {\displaystyle Z\subset X} is said to be exceptional if f ( Z ) {\displaystyle f(Z)} has codimension at least...
    2 KB (308 words) - 21:04, 17 December 2019
  • is codimension zero cycles, which are linear combinations of the irreducible components of the variety. The first non-trivial case is of codimension one...
    9 KB (1,472 words) - 09:51, 9 October 2024
  • Thumbnail for Connected sum
    element from H 1 ( V ) {\displaystyle H^{1}(V)} . A connected sum along a codimension-two V {\displaystyle V} can also be carried out in the category of symplectic...
    12 KB (1,891 words) - 21:13, 12 April 2025
  • 2000), states that the singular set of a mass-minimizing surface has codimension at least 2. Almgren's proof of this was 955 pages long. Within the proof...
    3 KB (295 words) - 16:37, 21 June 2023
  • or those of all prime ideals. The height is also sometimes called the codimension, rank, or altitude of a prime ideal. In a Noetherian ring, every prime...
    11 KB (1,736 words) - 23:00, 7 May 2025
  • Thumbnail for Dimension (vector space)
    numbers Cayley–Dickson construction Dimensions by number Zero One Two Three Four Five Six Seven Eight n-dimensions See also Hyperspace Codimension Category...
    9 KB (1,485 words) - 09:34, 2 November 2024
  • functorial, i.e. push-forward (with change of codimension) and pull-back of cycles is well-defined. Codimension 1 cycles modulo rational equivalence form...
    7 KB (577 words) - 12:09, 10 February 2025
  • Thumbnail for Hyperspace
    numbers Cayley–Dickson construction Dimensions by number Zero One Two Three Four Five Six Seven Eight n-dimensions See also Hyperspace Codimension Category...
    26 KB (2,747 words) - 15:56, 25 April 2025
  • Thumbnail for Ramification (mathematics)
    something that happens in codimension two (like knot theory, and monodromy); since real codimension two is complex codimension one, the local complex example...
    8 KB (1,116 words) - 01:50, 18 April 2025
  • Thumbnail for Euclidean space
    numbers Cayley–Dickson construction Dimensions by number Zero One Two Three Four Five Six Seven Eight n-dimensions See also Hyperspace Codimension Category...
    47 KB (6,970 words) - 02:25, 15 May 2025
  • surface). The second fundamental form can be generalized to arbitrary codimension. In that case it is a quadratic form on the tangent space with values...
    10 KB (1,444 words) - 10:13, 17 March 2025
  • point, (0, 0, 0), which is singular. The same considerations apply to codimension. For example a smooth complex hypersurface in complex projective space...
    3 KB (408 words) - 11:33, 19 July 2024
  • Thumbnail for Hodge conjecture
    In mathematics, the Hodge conjecture is a major unsolved problem in algebraic geometry and complex geometry that relates the algebraic topology of a non-singular...
    23 KB (3,014 words) - 14:20, 24 May 2025
  • is a singularity of codimension k, if it has a neighborhood isometric to R^{n-k} with a metric cone. Singularities of codimension 2 are of major importance;...
    5 KB (701 words) - 01:37, 3 March 2025
  • isomorphism HiX ≅ Hn−iX. As a result, a closed oriented submanifold S of codimension i in X determines a cohomology class in HiX, called [S]. In these terms...
    44 KB (7,049 words) - 20:46, 13 January 2025
  • numbers Cayley–Dickson construction Dimensions by number Zero One Two Three Four Five Six Seven Eight n-dimensions See also Hyperspace Codimension Category...
    7 KB (803 words) - 22:02, 19 August 2024
  • B {\textstyle W_{B}} with codimension j − 1 {\textstyle j-1} . Now W A ∩ W B {\textstyle W_{A}\cap W_{B}} has codimension ≤ i + j − 2 {\textstyle \leq...
    6 KB (1,038 words) - 15:56, 29 May 2025