• Thumbnail for Graph coloring
    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 (8,459 words) - 05:58, 16 May 2025
  • Thumbnail for Edge coloring
    In graph theory, a proper edge coloring of a graph is an assignment of "colors" to the edges of the graph so that no two incident edges have the same color...
    65 KB (8,472 words) - 14:53, 9 October 2024
  • registers representing available colors) would be a coloring for the original graph. As Graph Coloring is an NP-Hard problem and Register Allocation is in...
    41 KB (5,066 words) - 07:30, 1 June 2025
  • Thumbnail for Total coloring
    graph theory, total coloring is a type of graph coloring on the vertices and edges of a graph. When used without any qualification, a total coloring is...
    5 KB (635 words) - 05:57, 12 April 2025
  • Thumbnail for Bipartite graph
    as is required in the graph coloring problem. In contrast, such a coloring is impossible in the case of a non-bipartite graph, such as a triangle: after...
    33 KB (4,086 words) - 21:34, 28 May 2025
  • Thumbnail for Complete coloring
    In graph theory, a complete coloring is a (proper) vertex coloring in which every pair of colors appears on at least one pair of adjacent vertices. Equivalently...
    6 KB (614 words) - 10:20, 13 October 2024
  • Thumbnail for Greedy coloring
    of graph coloring problems in mathematics and computer science, a greedy coloring or sequential coloring is a coloring of the vertices of a graph formed...
    32 KB (3,887 words) - 07:06, 3 December 2024
  • Thumbnail for Graph coloring game
    the vertex coloring game on a graph G with k colors. Does she have one for k+1 colors? More unsolved problems in mathematics The graph coloring game is a...
    31 KB (4,118 words) - 05:17, 2 June 2025
  • Thumbnail for Degeneracy (graph theory)
    arboricity of a graph. Degeneracy is also known as the k-core number, width, and linkage, and is essentially the same as the coloring number or Szekeres–Wilf...
    31 KB (3,769 words) - 02:53, 17 March 2025
  • Thumbnail for Graph homomorphism
    vertex sets of two graphs that maps adjacent vertices to adjacent vertices. Homomorphisms generalize various notions of graph colorings and allow the expression...
    38 KB (4,860 words) - 20:28, 9 May 2025
  • Thumbnail for Fractional coloring
    Fractional coloring is a topic in a branch of graph theory known as fractional graph theory. It is a generalization of ordinary graph coloring. In a traditional...
    8 KB (1,271 words) - 04:44, 24 March 2025
  • Thumbnail for Four color theorem
    The coloring of maps can also be stated in terms of graph theory, by considering it in terms of constructing a graph coloring of the planar graph of adjacencies...
    49 KB (6,277 words) - 23:39, 14 May 2025
  • Thumbnail for List edge-coloring
    is a type of graph coloring that combines list coloring and edge coloring. An instance of a list edge-coloring problem consists of a graph together with...
    4 KB (445 words) - 21:14, 13 February 2025
  • Thumbnail for Perfect graph
    colorings and cliques in those families. For instance, in all perfect graphs, the graph coloring problem, maximum clique problem, and maximum independent set problem...
    59 KB (7,055 words) - 07:30, 25 February 2025
  • Thumbnail for Domain coloring
    In complex analysis, domain coloring or a color wheel graph is a technique for visualizing complex functions by assigning a color to each point of the...
    13 KB (1,541 words) - 23:48, 17 May 2025
  • Thumbnail for Acyclic coloring
    In graph theory, an acyclic coloring is a (proper) vertex coloring in which every 2-chromatic subgraph is acyclic. The acyclic chromatic number A(G) of...
    7 KB (720 words) - 01:13, 7 September 2023
  • Thumbnail for Distinguishing coloring
    In graph theory, a distinguishing coloring or distinguishing labeling of a graph is an assignment of colors or labels to the vertices of the graph that...
    11 KB (1,309 words) - 20:48, 12 March 2025
  • In graph theory, a branch of mathematics, list coloring is a type of graph coloring where each vertex can be restricted to a list of allowed colors. It...
    14 KB (1,619 words) - 05:54, 15 November 2024
  • of a graph is the maximum number of colors in a complete coloring. acyclic 1.  A graph is acyclic if it has no cycles. An undirected acyclic graph is the...
    109 KB (16,011 words) - 18:32, 30 April 2025
  • In graph theory, an area of mathematics, an equitable coloring is an assignment of colors to the vertices of an undirected graph, in such a way that No...
    19 KB (2,290 words) - 08:16, 16 July 2024
  • Thumbnail for Extremal graph theory
    the resolution of extremal graph theory problems. A proper (vertex) coloring of a graph G {\displaystyle G} is a coloring of the vertices of G {\displaystyle...
    10 KB (1,360 words) - 09:43, 1 August 2022
  • In graph theory, a weak coloring is a special case of a graph labeling. A weak k-coloring of a graph G = (V, E) assigns a color c(v) ∈ {1, 2, ..., k}...
    4 KB (435 words) - 13:44, 19 August 2024
  • Goldberg–Seymour conjecture Graph coloring game Graph two-coloring Harmonious coloring Incidence coloring List coloring List edge-coloring Perfect graph Ramsey's theorem...
    7 KB (663 words) - 02:52, 24 September 2024
  • Thumbnail for Exact coloring
    In graph theory, an exact coloring is a (proper) vertex coloring in which every pair of colors appears on exactly one pair of adjacent vertices. That...
    4 KB (534 words) - 06:59, 2 November 2024
  • In graph theory, a uniquely colorable graph is a k-chromatic graph that has only one possible (proper) k-coloring up to permutation of the colors. Equivalently...
    10 KB (1,038 words) - 23:28, 23 September 2024
  • Hamiltonian coloring, named after William Rowan Hamilton, is a type of graph coloring. Hamiltonian coloring uses a concept called detour distance between...
    3 KB (376 words) - 18:03, 11 August 2023
  • positive integer 2. A coloring may or may not exist for a mixed graph. In order for a mixed graph to have a k-coloring, the graph cannot contain any directed...
    9 KB (1,278 words) - 05:01, 12 April 2025
  • Thumbnail for Grundy number
    number of colors that can be used by a greedy coloring strategy that considers the vertices of the graph in sequence and assigns each vertex its first...
    12 KB (1,355 words) - 22:57, 11 April 2025
  • Thumbnail for Graph theory
    problems and theorems in graph theory have to do with various ways of coloring graphs. Typically, one is interested in coloring a graph so that no two adjacent...
    50 KB (6,237 words) - 21:13, 9 May 2025
  • Thumbnail for Complete bipartite graph
    complete bipartite graph Km,n has a maximum matching of size min{m,n}. A complete bipartite graph Kn,n has a proper n-edge-coloring corresponding to a...
    12 KB (960 words) - 08:06, 6 April 2025