In mathematics, a hypergraph is a generalization of a graph in which an edge can join any number of vertices. In contrast, in an ordinary graph, an edge...
47 KB (6,289 words) - 21:53, 8 March 2024
In graph theory, a matching in a hypergraph is a set of hyperedges, in which every two hyperedges are disjoint. It is an extension of the notion of matching...
19 KB (2,606 words) - 00:07, 30 April 2024
theory, a balanced hypergraph is a hypergraph that has several properties analogous to that of a bipartite graph. Balanced hypergraphs were introduced by...
10 KB (1,293 words) - 11:21, 18 August 2023
In graph theory, a vertex cover in a hypergraph is a set of vertices, such that every hyperedge of the hypergraph contains at least one vertex of that...
10 KB (1,320 words) - 20:13, 29 January 2024
In graph theory, the term bipartite hypergraph describes several related classes of hypergraphs, all of which are natural generalizations of a bipartite...
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In graph theory, particularly in the theory of hypergraphs, the line graph of a hypergraph H, denoted L(H), is the graph whose vertex set is the set of...
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Altair Engineering (redirect from Altair HyperGraph)
Altair Engineering Inc. is an American multinational information technology company headquartered in Troy, Michigan. It provides software and cloud solutions...
33 KB (2,198 words) - 04:49, 22 May 2024
theory, there are two related properties of a hypergraph that are called its "width". Given a hypergraph H = (V, E), we say that a set K of edges pins...
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Property B (redirect from 2-colorable hypergraph)
1908. Property B is equivalent to 2-coloring the hypergraph described by the collection C. A hypergraph with property B is also called 2-colorable.: 468 ...
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model a hypergraph in which U is the set of vertices of the hypergraph, V is the set of hyperedges, and E contains an edge from a hypergraph vertex v...
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Constraint graph (redirect from Constraint hypergraph)
artificial intelligence and operations research, constraint graphs and hypergraphs are used to represent relations among constraints in a constraint satisfaction...
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hypergraph with n hyperedges, one may n-color the vertices such that each hyperedge has one vertex of each color. A simple hypergraph is a hypergraph...
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is an algorithm that applies to hypergraphs. The algorithm takes as input a hypergraph and determines if the hypergraph is α-acyclic. If so, it computes...
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Graph rewriting (redirect from Hypergraph grammar)
mentioned in the above section on the algebraic approach to graph rewriting. Hypergraph grammars, including as more restrictive subclasses port graph grammars...
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Clique complex (redirect from Conformal hypergraph)
independence complexes, flag complexes, Whitney complexes and conformal hypergraphs are closely related mathematical objects in graph theory and geometric...
13 KB (1,643 words) - 07:20, 29 November 2023
Incidence matrix (section Hypergraphs)
contrast, a hypergraph can have multiple vertices assigned to one edge; thus, a general matrix of non-negative integers describes a hypergraph. The incidence...
9 KB (1,278 words) - 15:48, 12 September 2022
In mathematics, a packing in a hypergraph is a partition of the set of the hypergraph's edges into a number of disjoint subsets such that no pair of edges...
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graphs, simplicial complexes, cell complexes, combinatorial complexes and hypergraphs. Given a finite set S of abstract entities, a neighborhood function N...
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Transversal (combinatorics) (redirect from Hypergraph transversal)
application domains, with the input family of sets often being described as a hypergraph. A fundamental question in the study of SDR is whether or not an SDR exists...
12 KB (1,598 words) - 21:04, 23 October 2023
mathematics, the hypergraph regularity method is a powerful tool in extremal graph theory that refers to the combined application of the hypergraph regularity...
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bicriteria-approximation or resource augmentation approaches. A common extension is to hypergraphs, where an edge can connect more than two vertices. A hyperedge is not...
28 KB (3,345 words) - 02:39, 20 February 2024
Truncated projective plane (redirect from Pasch hypergraph)
plane (TPP), also known as a dual affine plane, is a special kind of a hypergraph or geometric configuration that is constructed in the following way. Take...
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to reduce and explain all the laws of physics within a paradigm of a hypergraph that is transformed by minimal rewriting rules that obey the Church-Rosser...
30 KB (2,642 words) - 03:36, 5 June 2024
Container method (redirect from Hypergraph container method)
The method of (hypergraph) containers is a powerful tool that can help characterize the typical structure and/or answer extremal questions about families...
23 KB (4,335 words) - 02:27, 21 March 2024
In the mathematical theory of hypergraphs, a hedgehog is a 3-uniform hypergraph defined from an integer parameter t {\displaystyle t} . It has t + ( t...
2 KB (204 words) - 23:39, 5 November 2020
Helly family (category Hypergraphs)
into a space with Helly dimension 1. A hypergraph is equivalent to a set-family. In hypergraphs terms, a hypergraph H = (V, E) has the Helly property if...
10 KB (1,274 words) - 21:45, 7 April 2024
theory, Hall-type theorems for hypergraphs are several generalizations of Hall's marriage theorem from graphs to hypergraphs. Such theorems were proved by...
46 KB (6,498 words) - 21:05, 5 January 2024
Ramsey's theorem (section Hypergraphs)
induced Ramsey numbers to d-uniform hypergraphs by simply changing the word graph in the statement to hypergraph. Furthermore, we can define the multicolor...
62 KB (7,887 words) - 02:01, 9 May 2024
In graph theory, the hypergraph removal lemma states that when a hypergraph contains few copies of a given sub-hypergraph, then all of the copies can be...
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family of subsets of a finite set S {\displaystyle S} is also called a hypergraph. The subject of extremal set theory concerns the largest and smallest...
10 KB (1,526 words) - 23:36, 3 April 2024