• InfiniteGraph is a distributed graph database implemented in Java and C++ and is from a class of NOSQL ("Not Only SQL") database technologies that focus...
    5 KB (473 words) - 00:05, 7 January 2024
  • 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...
    106 KB (15,667 words) - 12:01, 16 May 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...
    52 KB (4,674 words) - 23:55, 26 May 2024
  • Thumbnail for Graph (discrete mathematics)
    finite graphs either do not extend to the infinite case or need a rather different proof. An empty graph is a graph that has an empty set of vertices (and...
    28 KB (3,692 words) - 07:15, 7 May 2024
  • Thumbnail for Eulerian path
    Eulerian path (redirect from Eulerian graph)
    In graph theory, an Eulerian trail (or Eulerian path) is a trail in a finite graph that visits every edge exactly once (allowing for revisiting vertices)...
    27 KB (3,269 words) - 06:54, 4 May 2024
  • Trémaux tree (category Infinite graphs)
    especially in the context of infinite graphs. All depth-first search trees and all Hamiltonian paths are Trémaux trees. In finite graphs, every Trémaux tree is...
    17 KB (2,301 words) - 17:03, 8 February 2024
  • Thumbnail for Graph coloring
    graph theory, graph coloring is a special case of graph labeling; it is an assignment of labels traditionally called "colors" to elements of a graph subject...
    67 KB (7,988 words) - 11:39, 14 May 2024
  • Ramsey's theorem (category Theorems in graph theory)
    infinite form of Ramsey's theorem for graphs, the Erdős–Dushnik–Miller theorem, states that every infinite graph contains either a countably infinite...
    62 KB (7,887 words) - 02:01, 9 May 2024
  • In the mathematics of infinite graphs, an end of a graph represents, intuitively, a direction in which the graph extends to infinity. Ends may be formalized...
    21 KB (3,109 words) - 12:20, 25 November 2023
  • Thumbnail for Graph theory
    are not true (or are rather different) for infinite graphs because many of the arguments fail in the infinite case. Moreover, V {\displaystyle V} is often...
    52 KB (6,395 words) - 20:16, 27 March 2024
  • Thumbnail for Four color theorem
    Four color theorem (category Graph coloring)
    finite planar graphs, but also to infinite graphs that can be drawn without crossings in the plane, and even more generally to infinite graphs (possibly with...
    48 KB (6,275 words) - 02:20, 28 April 2024
  • NoSQL (section Graph)
    data structures used by NoSQL databases (e.g. key–value pair, wide column, graph, or document) are different from those used by default in relational databases...
    29 KB (2,400 words) - 07:41, 12 May 2024
  • Thumbnail for Spanning tree
    Spanning tree (category Computational problems in graph theory)
    of graph theory, a spanning tree T of an undirected graph G is a subgraph that is a tree which includes all of the vertices of G. In general, a graph may...
    26 KB (3,265 words) - 23:16, 10 December 2023
  • Thumbnail for Degeneracy (graph theory)
    In graph theory, a k-degenerate graph is an undirected graph in which every subgraph has a vertex of degree at most k: that is, some vertex in the subgraph...
    29 KB (3,393 words) - 06:36, 11 January 2024
  • Thumbnail for Rado graph
    In the mathematical field of graph theory, the Rado graph, Erdős–Rényi graph, or random graph is a countably infinite graph that can be constructed (with...
    38 KB (5,155 words) - 02:30, 23 March 2024
  • Thumbnail for Dual graph
    mathematical discipline of graph theory, the dual graph of a planar graph G is a graph that has a vertex for each face of G. The dual graph has an edge for each...
    51 KB (6,580 words) - 02:26, 3 January 2024
  • Thumbnail for Lattice graph
    the infinite graph, as in "an 8 × 8 square grid". The term lattice graph has also been given in the literature to various other kinds of graphs with...
    4 KB (526 words) - 12:30, 2 June 2023
  • Thumbnail for Dijkstra's algorithm
    Dijkstra's algorithm (category Graph algorithms)
    an algorithm for finding the shortest paths between nodes in a weighted graph, which may represent, for example, road networks. It was conceived by computer...
    46 KB (5,893 words) - 23:46, 28 May 2024
  • a universal graph is an infinite graph that contains every finite (or at-most-countable) graph as an induced subgraph. A universal graph of this type...
    8 KB (865 words) - 17:36, 25 September 2022
  • Thumbnail for Handshaking lemma
    Handshaking lemma (category Lemmas in graph theory)
    In graph theory, a branch of mathematics, the handshaking lemma is the statement that, in every finite undirected graph, the number of vertices that touch...
    29 KB (3,574 words) - 06:35, 13 February 2023
  • Thumbnail for Breadth-first search
    Breadth-first search (category Graph algorithms)
    the application of graph traversal methods in artificial intelligence the input may be an implicit representation of an infinite graph. In this context...
    14 KB (1,846 words) - 10:22, 14 May 2024
  • extension of the concept of graph density defined above from finite graphs to infinite graphs. Intuitively, an infinite graph has arbitrarily large finite...
    9 KB (1,166 words) - 06:11, 25 March 2024
  • In graph theory, the De Bruijn–Erdős theorem relates graph coloring of an infinite graph to the same problem on its finite subgraphs. It states that,...
    27 KB (3,616 words) - 08:38, 6 May 2024
  • K6-minor-free graph is an apex graph Does a Moore graph with girth 5 and degree 57 exist? Do there exist infinitely many strongly regular geodetic graphs, or any...
    189 KB (19,531 words) - 04:33, 21 May 2024
  • Menger's theorem (category Graph connectivity)
    In the mathematical discipline of graph theory, Menger's theorem says that in a finite graph, the size of a minimum cut set is equal to the maximum number...
    11 KB (1,598 words) - 04:43, 7 April 2024
  • Unfriendly partition (category Infinite graphs)
    countable graph have an unfriendly partition into two parts? (more unsolved problems in mathematics) In the mathematics of infinite graphs, an unfriendly...
    4 KB (392 words) - 05:24, 3 December 2023
  • Thumbnail for Tutte theorem
    Tutte theorem (category Matching (graph theory))
    mathematical discipline of graph theory the Tutte theorem, named after William Thomas Tutte, is a characterization of finite undirected graphs with perfect matchings...
    11 KB (1,412 words) - 06:30, 26 October 2023
  • Thumbnail for Random walk
    can consider random walks on crystal lattices (infinite-fold abelian covering graphs over finite graphs). Actually it is possible to establish the central...
    53 KB (7,178 words) - 11:44, 25 May 2024
  • Transitive reduction (category Graph theory)
    and is a subgraph of the given graph. However, uniqueness fails for graphs with (directed) cycles, and for infinite graphs not even existence is guaranteed...
    16 KB (2,273 words) - 13:23, 28 May 2024
  • graphs, and characterizing the ends and clique minors of infinite graphs. If G is an undirected graph, and X is a set of vertices, then an X-flap is a nonempty...
    15 KB (2,133 words) - 00:00, 10 July 2022