• mathematics, a simplicial set is a sequence of sets with internal order structure (abstract simplices) and maps between them. Simplicial sets are higher-dimensional...
    23 KB (3,384 words) - 09:16, 24 April 2025
  • mathematics, the extension of simplicial sets (extension functor or Ex functor) is an endofunctor on the category of simplicial sets. Due to many remarkable...
    10 KB (1,602 words) - 14:05, 10 May 2025
  • of a right fibration of simplicial sets in the ∞-category setup. A left anodyne extension is a map in the saturation of the set of the horn inclusions...
    11 KB (1,843 words) - 05:58, 2 May 2025
  • A simplicial map (also called simplicial mapping) is a function between two simplicial complexes, with the property that the images of the vertices of...
    8 KB (1,313 words) - 20:20, 3 February 2025
  • Extension (semantics), the set of things to which a property applies Extension (simplicial set) Extension by definitions Extensional definition, a definition...
    4 KB (434 words) - 04:07, 22 April 2025
  • Thumbnail for Subdivision (simplicial set)
    subdivision of simplicial sets plays an important role in the extension of simplicial sets right adjoint to it. For a partially ordered set I {\displaystyle...
    7 KB (977 words) - 14:11, 10 May 2025
  • Kan fibration (category Simplicial sets)
    part of the theory of simplicial sets. Kan fibrations are the fibrations of the standard model category structure on simplicial sets and are therefore of...
    18 KB (3,326 words) - 06:28, 22 May 2025
  • bisimplicial set is a simplicial object in the category of simplicial sets, which themselves are simplicial objects in the category of sets. Many concepts...
    5 KB (982 words) - 03:58, 3 May 2025
  • Thumbnail for Triangulation (topology)
    topological properties of simplicial complexes and their generalizations, cell-complexes. An abstract simplicial complex above a set V {\displaystyle V} is...
    33 KB (5,150 words) - 17:34, 13 June 2025
  • Thumbnail for Barycentric subdivision
    Barycentric subdivision (category Simplicial homology)
    standard way to subdivide a given simplex into smaller ones. Its extension to simplicial complexes is a canonical method to refining them. Therefore, the...
    16 KB (2,533 words) - 23:06, 7 May 2025
  • characteristics, advantages, and limitations: Simplicial complexes Simplest form of higher-order domains. Extensions of graph-based models. Admit hierarchical...
    31 KB (3,296 words) - 17:16, 24 June 2025
  • any set in the family also belong to the family forms an abstract simplicial complex. An incidence structure consists of a set of points, a set of lines...
    10 KB (1,533 words) - 02:20, 8 February 2025
  • Simplex category (category Simplicial sets)
    inserting or deleting elements of the orderings. (See simplicial set for relations of these maps.) A simplicial object is a presheaf on Δ {\displaystyle \Delta...
    4 KB (515 words) - 14:51, 15 January 2023
  • The set of Gödel numbers is computable. The set of Turing machines that halt is not computable. The set of pairs of homeomorphic finite simplicial complexes...
    4 KB (500 words) - 23:17, 22 May 2025
  • Thumbnail for General topology
    topology, since it is locally Euclidean. Similarly, every simplex and every simplicial complex inherits a natural topology from Rn. The Zariski topology is defined...
    41 KB (5,740 words) - 19:21, 12 March 2025
  • Thumbnail for Simplex
    Simplex (redirect from Simplicial)
    optimization method with inequality constraints Simplicial complex Simplicial homology Simplicial set Spectrahedron Ternary plot Elte, E.L. (2006) [1912]...
    51 KB (7,872 words) - 20:15, 21 July 2025
  • Thumbnail for L. E. J. Brouwer
    L. E. J. Brouwer (category Set theorists)
    topologists. The third theorem is perhaps the hardest. Brouwer also proved the simplicial approximation theorem in the foundations of algebraic topology, which...
    21 KB (2,328 words) - 06:00, 30 June 2025
  • which make the task easier. The simplicial homology groups Hn(X) of a simplicial complex X are defined using the simplicial chain complex C(X), with Cn(X)...
    54 KB (8,218 words) - 16:31, 22 June 2025
  • Kan–Quillen model structure (category Simplicial sets)
    model structure on the category of simplicial sets. It consists of three classes of morphisms between simplicial sets called fibrations, cofibrations and...
    6 KB (845 words) - 21:12, 28 April 2025
  • In mathematics, a simplicially enriched category, is a category enriched over the category of simplicial sets. Simplicially enriched categories are often...
    2 KB (181 words) - 08:19, 13 March 2025
  • model uses Kan complexes which are fibrant objects in the category of simplicial sets (with the standard model structure). It is an ∞-category generalization...
    11 KB (1,667 words) - 19:59, 2 June 2025
  • {V} } as a V {\displaystyle \mathbf {V} } -valued presheaf. A simplicial set is a Set-valued presheaf on the simplex category C = Δ {\displaystyle C=\Delta...
    8 KB (1,272 words) - 10:40, 28 April 2025
  • topos a pro-simplicial set (up to homotopy). (It's better to consider it in Ho(pro-SS); see Edwards) Using this inverse system of simplicial sets one may...
    32 KB (4,308 words) - 19:57, 5 July 2025
  • Thumbnail for Causal sets
    Review of the Causal Set Approach to Quantum Gravity and A Growth Dynamics for Causal Sets; Presented at "New Directions in Simplicial Quantum Gravity" July...
    41 KB (5,399 words) - 11:49, 13 July 2025
  • Thumbnail for Daniel Kan
    mid-1950s he made distinguished contributions to the theory of simplicial sets and simplicial methods in topology in general. In recognition of this, the...
    4 KB (318 words) - 00:16, 21 April 2025
  • Simplex Simplicial complex Polytope Triangulation Barycentric subdivision Simplicial approximation theorem Abstract simplicial complex Simplicial set Simplicial...
    4 KB (311 words) - 18:20, 28 June 2025
  • spaces often admit a model category structure, such as the category of simplicial sets. Another model category is the category of chain complexes of R-modules...
    18 KB (2,402 words) - 23:20, 25 April 2025
  • bifiltration is a simplicial filtration used in topological data analysis for analyzing the shape of point cloud data. It is a multiparameter extension of the Vietoris–Rips...
    10 KB (1,347 words) - 20:09, 17 July 2025
  • Dold–Kan correspondence (category Simplicial sets)
    In mathematics, more precisely, in the theory of simplicial sets, the Dold–Kan correspondence (named after Albrecht Dold and Daniel Kan) states that there...
    6 KB (985 words) - 13:52, 22 February 2025
  • lemma Polytope Simplex Simplicial complex CW complex Manifold Triangulation Barycentric subdivision Sperner's lemma Simplicial approximation theorem Nerve...
    5 KB (401 words) - 16:43, 1 April 2025