In the mathematical field of graph theory, a graph G is symmetric (or arc-transitive) if, given any two pairs of adjacent vertices u1—v1 and u2—v2 of...
11 KB (1,158 words) - 12:55, 15 May 2023
mathematical field of graph theory, a distance-transitive graph is a graph such that, given any two vertices v and w at any distance i, and any other two...
7 KB (585 words) - 11:39, 8 March 2024
regular graphs are vertex-transitive (for example, the Frucht graph and Tietze's graph). Finite vertex-transitive graphs include the symmetric graphs (such...
6 KB (646 words) - 05:38, 2 September 2024
Every distance-transitive graph is distance-regular. Indeed, distance-regular graphs were introduced as a combinatorial generalization of distance-transitive...
6 KB (966 words) - 01:51, 7 December 2023
In the mathematical field of graph theory, an edge-transitive graph is a graph G such that, given any two edges e1 and e2 of G, there is an automorphism...
5 KB (515 words) - 08:29, 18 August 2023
Bruijn graph Dense graph Dipole graph Directed acyclic graph Directed graph Distance regular graph Distance-transitive graph Edge-transitive graph Interval...
7 KB (663 words) - 02:52, 24 September 2024
the same distance apart. A semi-symmetric graph is a graph that is edge-transitive but not vertex-transitive. A half-transitive graph is a graph that is...
14 KB (1,352 words) - 15:22, 1 August 2024
It is a distance-transitive graph (see the Foster census) and therefore distance regular. There are 24 perfect matchings in the Heawood graph; for each...
10 KB (1,001 words) - 13:25, 14 August 2024
group of the graph. Despite its high degree of symmetry, the Petersen graph is not a Cayley graph. It is the smallest vertex-transitive graph that is not...
24 KB (2,933 words) - 00:46, 29 August 2024
In the mathematical field of graph theory, the Livingstone graph is a distance-transitive graph with 266 vertices and 1463 edges. Its intersection array...
2 KB (156 words) - 17:57, 11 August 2023
In the mathematical field of graph theory, the Desargues graph is a distance-transitive, cubic graph with 20 vertices and 30 edges. It is named after...
10 KB (1,203 words) - 11:19, 3 August 2024
graph is transitively closed if it equals its own transitive closure; see transitive. 4. A graph property is closed under some operation on graphs if...
108 KB (15,918 words) - 18:37, 5 October 2024
vertex-transitive, arc-transitive, and distance-transitive graphs; strongly regular graphs and their generalizations distance-regular graphs. Two edges...
28 KB (3,689 words) - 20:15, 22 September 2024
families of graphs based on symmetry (such as symmetric graphs, vertex-transitive graphs, edge-transitive graphs, distance-transitive graphs, distance-regular...
7 KB (671 words) - 16:56, 27 November 2023
810 edges. It is a strongly regular graph, a distance-transitive graph, and a Ramanujan graph. Although its construction is folklore, it was named after...
6 KB (714 words) - 00:30, 19 August 2023
which is not a distance-transitive graph. The n × n square rook's graph, i.e., the line graph of a balanced complete bipartite graph Kn,n, is an srg(n2, 2n − 2...
20 KB (3,355 words) - 16:56, 17 June 2024
are known. The Foster graph is one of the 13 such graphs. It is the unique distance-transitive graph with intersection array {3,2,2,2,2,1,1,1;1,1,1,1,2...
5 KB (530 words) - 06:49, 27 February 2024
a point. Vertex-transitive graph Generating set of a group Lovász conjecture Cube-connected cycles Algebraic graph theory Cycle graph (algebra) Proof:...
29 KB (4,690 words) - 21:09, 11 May 2024
In graph theory, the Holt graph or Doyle graph is the smallest half-transitive graph, that is, the smallest example of a vertex-transitive and edge-transitive...
4 KB (343 words) - 07:22, 6 December 2023
shortest path distances in the Johnson graph. The Johnson scheme is also related to another family of distance-transitive graphs, the odd graphs, whose vertices...
10 KB (1,283 words) - 21:27, 14 August 2024
Comparability graphs have also been called transitively orientable graphs, partially orderable graphs, containment graphs, and divisor graphs. An incomparability...
13 KB (1,383 words) - 01:41, 25 January 2024
Grötzsch graph shares several properties with the Clebsch graph, a distance-transitive graph with 16 vertices and 40 edges: both the Grötzsch graph and the...
8 KB (980 words) - 07:15, 6 December 2023
of graph theory, a half-transitive graph is a graph that is both vertex-transitive and edge-transitive, but not symmetric. In other words, a graph is...
3 KB (230 words) - 18:34, 6 July 2024
graph with intersection array (6, 5, 2; 1, 1, 3). The Perkel graph is also distance-transitive. It is also the skeleton of an abstract regular polytope,...
2 KB (154 words) - 00:43, 24 July 2024
vertex-transitive. H(2,3), which is the generalized quadrangle G Q (2,1) H(1,q), which is the complete graph Kq H(2,q), which is the lattice graph Lq,q...
7 KB (651 words) - 07:22, 17 September 2024
Cayley graph, its automorphism group acts transitively on its vertices, making it vertex transitive. In fact, it is arc transitive, hence edge transitive and...
10 KB (1,136 words) - 00:17, 13 December 2023
edge-graceful when k is even and not when k is odd. It is an edge-transitive matchstick graph, and has diameter 2 (when l > 1), girth ∞ (it has no cycles)...
7 KB (702 words) - 05:57, 5 October 2024
the hypercubes that double cover them the property of being a distance-transitive graph. When k is odd, the dimension-k folded cube contains as a subgraph...
6 KB (696 words) - 10:53, 20 February 2024
vertex. Walk-regular graphs can be thought of as a spectral graph theory analogue of vertex-transitive graphs. While a walk-regular graph is not neccessarily...
4 KB (613 words) - 14:49, 7 October 2024
easily from the inductive construction.) is arc transitive and symmetric. The symmetries of hypercube graphs can be represented as signed permutations. contains...
13 KB (1,555 words) - 14:39, 18 September 2023