of graph theory, a complete graph is a simple undirected graph in which every pair of distinct vertices is connected by a unique edge. A complete digraph...
14 KB (1,255 words) - 16:48, 30 July 2025
In the mathematical field of graph theory, a complete bipartite graph or biclique is a special kind of bipartite graph where every vertex of the first...
12 KB (960 words) - 08:06, 6 April 2025
clique of a graph G {\displaystyle G} is an induced subgraph of G {\displaystyle G} that is complete. Cliques are one of the basic concepts of graph theory...
20 KB (2,483 words) - 12:35, 24 June 2025
determining whether two finite graphs are isomorphic. The problem is not known to be solvable in polynomial time nor to be NP-complete, and therefore may be in...
41 KB (4,233 words) - 01:47, 25 June 2025
In graph theory, graph coloring is a methodic assignment of labels traditionally called "colors" to elements of a graph. The assignment is subject to certain...
70 KB (8,461 words) - 16:34, 7 July 2025
In discrete mathematics, particularly in graph theory, a graph is a structure consisting of a set of objects where some pairs of the objects are in some...
28 KB (3,671 words) - 21:37, 19 July 2025
Appendix:Glossary of graph theory in Wiktionary, the free dictionary. This is a glossary of graph theory. Graph theory is the study of graphs, systems of nodes...
109 KB (16,011 words) - 12:09, 30 June 2025
computer science, graph theory is the study of graphs, which are mathematical structures used to model pairwise relations between objects. A graph in this context...
50 KB (6,237 words) - 15:29, 3 August 2025
In graph theory, a planar graph is a graph that can be embedded in the plane, i.e., it can be drawn on the plane in such a way that its edges intersect...
36 KB (4,589 words) - 21:30, 18 July 2025
In the mathematical field of graph theory, a graph homomorphism is a mapping between two graphs that respects their structure. More concretely, it is a...
38 KB (4,860 words) - 20:28, 9 May 2025
related to Cycle graphs. Complete bipartite graph Complete graph Circulant graph Cycle graph (algebra) Null graph Path graph Some simple graph spectra. win...
5 KB (518 words) - 17:04, 30 July 2025
In mathematics, and more specifically in graph theory, a directed graph (or digraph) is a graph that is made up of a set of vertices connected by directed...
16 KB (1,937 words) - 05:02, 12 April 2025
In graph theory, an outerplanar graph is a graph that has a planar drawing for which all vertices belong to the outer face of the drawing. Outerplanar...
19 KB (2,089 words) - 08:10, 14 January 2025
mathematics and computer science, connectivity is one of the basic concepts of graph theory: it asks for the minimum number of elements (nodes or edges) that...
17 KB (2,062 words) - 23:37, 25 March 2025
of graph minors began with Wagner's theorem that a graph is planar if and only if its minors include neither the complete graph K5 nor the complete bipartite...
35 KB (4,045 words) - 11:35, 4 July 2025
Eulerian path (redirect from Eulerian graph)
first complete proof of this latter claim was published posthumously in 1873 by Carl Hierholzer. This is known as Euler's Theorem: A connected graph has...
29 KB (3,461 words) - 16:30, 26 July 2025
orientation of an undirected complete graph. (However, as directed graphs, tournaments are not complete: complete directed graphs have two edges, in both directions...
19 KB (2,687 words) - 20:31, 5 August 2025
Hamiltonian path (redirect from Hamiltonian graph)
problems of determining whether such paths and cycles exist in graphs are NP-complete; see Hamiltonian path problem for details. Hamiltonian paths and...
19 KB (2,044 words) - 00:50, 4 August 2025
In the mathematical discipline of graph theory, a matching or independent edge set in an undirected graph is a set of edges without common vertices. In...
24 KB (3,032 words) - 23:25, 29 June 2025
In graph theory, the hypercube graph Qn is the edge graph of the n-dimensional hypercube, that is, it is the graph formed from the vertices and edges...
13 KB (1,565 words) - 20:37, 30 July 2025
is, to generate the complement of a graph, one fills in all the missing edges required to form a complete graph, and removes all the edges that were...
9 KB (1,125 words) - 22:13, 23 June 2023
Franklin graph Frucht graph Goldner–Harary graph Golomb graph Grötzsch graph Harries graph Harries–Wong graph Herschel graph Hoffman graph Holt graph Horton...
14 KB (1,247 words) - 18:21, 11 May 2025
Graph neural networks (GNN) are specialized artificial neural networks that are designed for tasks whose inputs are graphs. One prominent example is molecular...
43 KB (4,802 words) - 14:49, 3 August 2025
graph theory, the crossing number cr(G) of a graph G is the lowest number of edge crossings of a plane drawing of the graph G. For instance, a graph is...
28 KB (3,424 words) - 21:42, 5 August 2025
bridgeless graph has a cycle-continuous mapping to the Petersen graph. More unsolved problems in mathematics In the mathematical field of graph theory, the...
24 KB (2,993 words) - 04:57, 12 April 2025
In the mathematical field of graph theory, a graph G is symmetric or arc-transitive if, given any two ordered pairs of adjacent vertices ( u 1 , v 1 )...
11 KB (1,173 words) - 21:12, 29 July 2025
Hemi-icosahedron (section The complete graph K6)
{\displaystyle K_{6}} (the complete graph with 6 vertices) on a real projective plane. With this embedding, the dual graph is the Petersen graph --- see hemi-dodecahedron...
3 KB (235 words) - 22:50, 21 November 2023
In graph theory, a regular graph is a graph where each vertex has the same number of neighbors; i.e. every vertex has the same degree or valency. A regular...
7 KB (1,017 words) - 07:54, 29 June 2025
In graph theory, a critical graph is an undirected graph all of whose proper subgraphs have smaller chromatic number. In such a graph, every vertex or...
7 KB (853 words) - 13:31, 28 March 2025
In polytope theory, the edge graph (also known as vertex-edge graph or just graph) of a polytope is a combinatorial graph whose vertices and edges correspond...
15 KB (2,025 words) - 18:31, 30 July 2025