• Thumbnail for Cluster graph
    In graph theory, a branch of mathematics, a cluster graph is a graph formed from the disjoint union of complete graphs. Equivalently, a graph is a cluster...
    6 KB (647 words) - 06:47, 25 June 2023
  • Thumbnail for Clique (graph theory)
    cluster graph is a graph whose connected components are cliques. A block graph is a graph whose biconnected components are cliques. A chordal graph is...
    20 KB (2,483 words) - 12:35, 24 June 2025
  • of complete graphs Clusterable graph, in balance theory Cluster algebra, a class of commutative rings used in representation theory Cluster expansion,...
    5 KB (676 words) - 06:36, 26 July 2025
  • Thumbnail for Spectral clustering
    corresponding to the smallest eigenvalues of the graph Laplacian can be used for meaningful clustering of the masses. For example, assuming that all the...
    27 KB (3,570 words) - 00:49, 31 July 2025
  • Thumbnail for Disjoint union of graphs
    cluster graphs are the disjoint unions of complete graphs. The 2-regular graphs are the disjoint unions of cycle graphs. More generally, every graph is...
    3 KB (324 words) - 19:54, 31 March 2025
  • Thumbnail for Force-directed graph drawing
    versatile class of graph drawing algorithms. Examples of existing extensions include the ones for directed graphs, 3D graph drawing, cluster graph drawing, constrained...
    17 KB (2,224 words) - 15:07, 9 June 2025
  • Thumbnail for Component (graph theory)
    in any graph. In a connected graph, there is exactly one component: the whole graph. In a forest, every component is a tree. In a cluster graph, every...
    30 KB (3,443 words) - 23:25, 29 June 2025
  • Thumbnail for Subcoloring
    Subcoloring (category Graph coloring)
    cliques. That is, each color class should form a cluster graph. The subchromatic number χS(G) of a graph G is the fewest colors needed in any subcoloring...
    5 KB (441 words) - 08:44, 16 July 2024
  • A graph database (GDB) is a database that uses graph structures for semantic queries with nodes, edges, and properties to represent and store data. A key...
    53 KB (4,715 words) - 13:44, 31 July 2025
  • candidate clusters spawn from the same distribution function (V-linkage). The product of in-degree and out-degree on a k-nearest-neighbour graph (graph degree...
    27 KB (3,071 words) - 00:47, 31 July 2025
  • Thumbnail for Perfect graph
    In graph theory, a perfect graph is a graph in which the chromatic number equals the size of the maximum clique, both in the graph itself and in every...
    59 KB (7,055 words) - 07:30, 25 February 2025
  • Thumbnail for Cluster analysis
    known as quasi-cliques, as in the HCS clustering algorithm. Signed graph models: Every path in a signed graph has a sign from the product of the signs...
    75 KB (9,510 words) - 17:19, 16 July 2025
  • In graph theory, a clustering coefficient is a measure of the degree to which nodes in a graph tend to cluster together. Evidence suggests that in most...
    18 KB (2,377 words) - 23:47, 19 June 2025
  • Thumbnail for Apache Spark
    Apache Spark (redirect from GraphX)
    large-scale data processing. Spark provides an interface for programming clusters with implicit data parallelism and fault tolerance. Originally developed...
    30 KB (2,752 words) - 14:54, 11 July 2025
  • Thumbnail for Multipartite graph
    one vertex. Complete k-partite graphs, complete multipartite graphs, and their complement graphs, the cluster graphs, are special cases of cographs,...
    4 KB (404 words) - 08:33, 29 July 2025
  • Thumbnail for Small-world network
    network is a graph characterized by a high clustering coefficient and low distances. In an example of the social network, high clustering implies the high...
    38 KB (4,646 words) - 17:51, 18 July 2025
  • Thumbnail for Bar chart
    Bar chart (redirect from Bar graph)
    compared, and the other axis represents a measured value. Some bar graphs present bars clustered or stacked in groups of more than one, showing the values of...
    7 KB (811 words) - 00:33, 15 July 2025
  • Thumbnail for Cograph
    more general graph classes. Special types of cograph include complete graphs, complete bipartite graphs, cluster graphs, and threshold graphs. Cographs are...
    22 KB (2,689 words) - 18:27, 19 April 2025
  • Thumbnail for Graph theory
    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
  • Thumbnail for Diamond graph
    diamond-free graphs are locally clustered: that is, they are the graphs in which every neighborhood is a cluster graph. Alternatively, a graph is diamond-free...
    3 KB (352 words) - 07:00, 26 June 2022
  • computers, among others. Recently, the graph partition problem has gained importance due to its application for clustering and detection of cliques in social...
    25 KB (2,979 words) - 01:25, 19 June 2025
  • computing, a graph state is a special type of multi-qubit state that can be represented by a graph. Each qubit is represented by a vertex of the graph, and there...
    14 KB (1,976 words) - 08:52, 18 March 2025
  • Thumbnail for Percolation theory
    probability one a unique infinite closed cluster (a closed cluster is a maximal connected set of "closed" edges of the graph). Thus the subcritical phase may...
    26 KB (3,133 words) - 06:05, 15 July 2025
  • an algorithm based on graph connectivity for cluster analysis. It works by representing the similarity data in a similarity graph, and then finding all...
    8 KB (1,154 words) - 19:56, 12 October 2024
  • cluster while all dissimilar ones are in different clusters. If the graph indeed admits a perfect clustering, then simply deleting all the negative edges and...
    14 KB (2,006 words) - 02:12, 5 May 2025
  • all the clusters of all the seeds in this graph. The cluster algebra also comes with the extra structure of the seeds of this graph. A cluster algebra...
    13 KB (2,413 words) - 10:05, 11 July 2025
  • Thumbnail for Forbidden graph characterization
    In graph theory, a branch of mathematics, many important families of graphs can be described by a finite set of individual graphs that do not belong to...
    16 KB (1,155 words) - 23:27, 18 July 2025
  • Thumbnail for Pathfinding
    number of graph nodes and possible paths. A hierarchical approach divides the map into 300×200 node clusters, forming a 10×10 grid (100 clusters total)....
    15 KB (1,994 words) - 07:54, 19 April 2025
  • Thumbnail for Block graph
    subclasses of the perfect graphs, block graphs are perfect. Every tree, cluster graph, or windmill graph is a block graph. Every block graph has boxicity at most...
    8 KB (986 words) - 08:35, 13 January 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