• theory of matroids, a matroid representation is a family of vectors whose linear independence relation is the same as that of a given matroid. Matroid representations...
    14 KB (1,784 words) - 00:33, 9 November 2024
  • In combinatorics, a matroid /ˈmeɪtrɔɪd/ is a structure that abstracts and generalizes the notion of linear independence in vector spaces. There are many...
    60 KB (8,803 words) - 22:23, 23 June 2025
  • Matroid, Inc. is a computer vision company that offers a platform for creating computer vision models, called detectors, to search visual media for objects...
    13 KB (1,153 words) - 01:47, 28 September 2023
  • In mathematics, an algebraic matroid is a matroid, a combinatorial structure, that expresses an abstraction of the relation of algebraic independence....
    6 KB (700 words) - 17:41, 17 June 2022
  • Thumbnail for Oriented matroid
    An oriented matroid is a mathematical structure that abstracts the properties of directed graphs, vector arrangements over ordered fields, and hyperplane...
    31 KB (4,076 words) - 19:34, 2 July 2025
  • Thumbnail for Graphic matroid
    In the mathematical theory of matroids, a graphic matroid (also called a cycle matroid or polygon matroid) is a matroid whose independent sets are the...
    16 KB (2,283 words) - 19:11, 1 April 2025
  • mathematics and computer science, a matroid oracle is a subroutine through which an algorithm may access a matroid, an abstract combinatorial structure...
    33 KB (4,287 words) - 21:15, 23 February 2025
  • Thumbnail for Vámos matroid
    In mathematics, the Vámos matroid or Vámos cube is a matroid over a set of eight elements that cannot be represented as a matrix over any field. It is...
    8 KB (1,009 words) - 00:12, 9 November 2024
  • nature or involve matroids, polytopes, partially ordered sets, or finite geometries. On the algebraic side, besides group and representation theory, lattice...
    33 KB (3,558 words) - 07:48, 21 July 2025
  • Thumbnail for Partition matroid
    In mathematics, a partition matroid or partitional matroid is a matroid that is a direct sum of uniform matroids. It is defined over a base set in which...
    7 KB (965 words) - 18:08, 30 April 2025
  • fixed-parameter tractable for linear matroids when parameterized both by the matroid rank and the field size of a linear representation. The "girth" terminology generalizes...
    6 KB (779 words) - 03:14, 9 November 2024
  • Thumbnail for Algebraic combinatorics
    or involve matroids, polytopes, partially ordered sets, or finite geometries. On the algebraic side, besides group theory and representation theory, lattice...
    13 KB (1,289 words) - 14:02, 16 October 2024
  • Rota's conjecture (category Matroid theory)
    matroid M {\displaystyle M} ; S {\displaystyle S} is said to be a representation of any matroid isomorphic to M {\displaystyle M} . Not every matroid...
    10 KB (1,208 words) - 09:29, 26 May 2025
  • In mathematics, a regular matroid is a matroid that can be represented over all fields. A matroid is defined to be a family of subsets of a finite set...
    7 KB (851 words) - 07:14, 30 January 2023
  • Algebraic independence (category Matroid theory)
    linearly independent. Every matroid with a linear representation of this type may also be represented as an algebraic matroid, by choosing an indeterminate...
    7 KB (946 words) - 17:06, 18 January 2025
  • of matroids, a minor of a matroid M is another matroid N that is obtained from M by a sequence of restriction and contraction operations. Matroid minors...
    16 KB (1,995 words) - 04:03, 25 September 2024
  • Thumbnail for Dimension (vector space)
    |V|=\max(|F|,\dim V).} A vector space can be seen as a particular case of a matroid, and in the latter there is a well-defined notion of dimension. The length...
    9 KB (1,485 words) - 09:34, 2 November 2024
  • accomplishments, including foundation work in the fields of graph theory and matroid theory. Tutte's research in the field of graph theory proved to be of remarkable...
    43 KB (4,731 words) - 03:27, 19 July 2025
  • a set of points and lines without any two-point lines. Sylvester matroid, a matroid without any two-point lines. Sylvester's determinant identity. Sylvester's...
    5 KB (517 words) - 00:34, 3 January 2025
  • Thumbnail for Bicircular matroid
    In the mathematical subject of matroid theory, the bicircular matroid of a graph G is the matroid B(G) whose points are the edges of G and whose independent...
    7 KB (893 words) - 23:53, 2 April 2025
  • Thumbnail for Fano plane
    Fano plane (category Matroid theory)
    structure theory of matroids. Excluding the Fano plane as a matroid minor is necessary to characterize several important classes of matroids, such as regular...
    24 KB (3,102 words) - 18:56, 16 June 2025
  • Thumbnail for Convex polytope
    polytope may have a bit-length which is not polynomial in this representation. Oriented matroid Nef polyhedron Steinitz's theorem for convex polyhedra Branko...
    23 KB (3,262 words) - 04:00, 7 July 2025
  • (graph theory), a symmetric tessellation of a closed surface Regular matroid, a matroid which can be represented over any field Regular paperfolding sequence...
    8 KB (1,019 words) - 01:20, 25 May 2025
  • {\displaystyle (0,1,2)} . Filtration (mathematics) Flag manifold Grassmannian Matroid Kostrikin, Alexei I. and Manin, Yuri I. (1997). Linear Algebra and Geometry...
    6 KB (901 words) - 15:29, 19 May 2025
  • Thumbnail for Antimatroid
    Antimatroid (category Matroid theory)
    defining antimatroids as set systems are very similar to those of matroids, but whereas matroids are defined by an exchange axiom, antimatroids are defined instead...
    35 KB (4,947 words) - 19:54, 19 June 2025
  • Ingleton's inequality (category Matroid theory)
    representable matroid. In this sense it is a necessary condition for representability of a matroid over a finite field. For a matroid M and its rank...
    13 KB (862 words) - 10:59, 16 June 2025
  • other repeated vertices than the starting and ending vertices Circuit of a matroid Biological neural network, in neuroscience Hydraulic circuit, in fluid...
    5 KB (616 words) - 11:29, 22 May 2025
  • Thumbnail for Implicit graph
    group, an implicit model for group-theoretic algorithms Matroid oracle, an implicit model for matroid algorithms Korf, Richard E. (2008), "Linear-time disk-based...
    23 KB (2,839 words) - 17:41, 20 March 2025
  • Thumbnail for Jack Edmonds
    he proved the matroid intersection theorem, a very general combinatorial min-max theorem which, in modern terms, showed that the matroid intersection problem...
    16 KB (1,543 words) - 09:32, 10 September 2024
  • oriented matroids; in particular, the Folkman–Lawrence topological representation theorem is "one of the cornerstones of the theory of oriented matroids". In...
    13 KB (1,140 words) - 06:46, 31 December 2024