mathematical field of graph theory, the Tutte graph is a 3-regular graph with 46 vertices and 69 edges named after W. T. Tutte. It has chromatic number...
5 KB (697 words) - 20:43, 5 July 2021
mathematical field of graph theory, the Tutte–Coxeter graph or Tutte eight-cage or Cremona–Richmond graph is a 3-regular graph with 30 vertices and 45...
7 KB (686 words) - 18:29, 3 November 2024
fields of graph theory and matroid theory. Tutte's research in the field of graph theory proved to be of remarkable importance. At a time when graph theory...
42 KB (4,696 words) - 05:52, 6 April 2025
The Tutte polynomial, also called the dichromate or the Tutte–Whitney polynomial, is a graph polynomial. It is a polynomial in two variables which plays...
39 KB (5,377 words) - 15:46, 10 April 2025
Desargues graph, the Nauru graph, the Coxeter graph, the Tutte–Coxeter graph, the Dyck graph, the Foster graph and the Biggs–Smith graph. W. T. Tutte classified...
15 KB (1,777 words) - 20:46, 11 March 2024
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 (1,399 words) - 08:56, 15 April 2025
Given such a graph, a representation of it as a subdivision of a convex polygon into smaller convex polygons may be found using the Tutte embedding. Tait...
7 KB (836 words) - 01:34, 24 February 2025
In graph drawing and geometric graph theory, a Tutte embedding or barycentric embedding of a simple, 3-vertex-connected, planar graph is a crossing-free...
15 KB (2,010 words) - 15:38, 30 January 2025
Tait's conjecture (redirect from Tutte fragment)
cubic graph has a Hamiltonian cycle (along the edges) through all its vertices". It was proposed by P. G. Tait (1884) and disproved by W. T. Tutte (1946)...
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which was generalised to the Tutte polynomial by W. T. Tutte, both of which are important invariants in algebraic graph theory. Kempe had already drawn...
70 KB (8,459 words) - 05:58, 16 May 2025
of graph theory, the Tutte 12-cage or Benson graph is a 3-regular graph with 126 vertices and 189 edges. It is named after W. T. Tutte. The Tutte 12-cage...
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discipline of graph theory the Tutte–Berge formula is a characterization of the size of a maximum matching in a graph. It is a generalization of Tutte theorem...
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polyhedral 3-regular graph must be Hamiltonian; this was disproved when W. T. Tutte provided a counterexample, the Tutte graph, which is much larger...
14 KB (1,617 words) - 05:43, 5 January 2025
In graph theory, the Tutte matrix A of a graph G = (V, E) is a matrix used to determine the existence of a perfect matching: that is, a set of edges which...
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graph Kittell graph Markström graph McGee graph Meredith graph Moser spindle Sousselier graph Poussin graph Robertson graph Sylvester graph Tutte's fragment...
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graph and the Harries–Wong graph. The Petersen graph has a girth of 5 The Heawood graph has a girth of 6 The McGee graph has a girth of 7 The Tutte–Coxeter...
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a counterexample to the Tutte conjecture that every cubic 3-connected bipartite graph is Hamiltonian. After the Horton graph, a number of smaller counterexamples...
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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) - 21:13, 9 May 2025
digraphs by Tutte (1967), later as the double covering graphs of polar graphs by Zelinka (1976b), and still later as the double covering graphs of bidirected...
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force-directed graph-drawing", Journal of Graph Algorithms and Applications, 7 (3): 253–285, doi:10.7155/jgaa.00070, MR 2112231 Tutte, W. T. (1963), "How...
17 KB (2,224 words) - 01:29, 8 May 2025
theorem. The Barnette–Bosák–Lederberg graph has a similar construction to the Tutte graph but is composed of two Tutte fragments, connected through a pentagonal...
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graph, a number of smaller counterexamples to the Tutte conjecture were found. Among them are a 92-vertex graph by Horton (1982), a 78-vertex graph by...
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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)...
28 KB (3,296 words) - 06:19, 16 March 2025
Chromatic polynomial (category Graph invariants)
\left\{(0,P(G,0)),(1,P(G,1)),\ldots ,(n,P(G,n))\right\}.} Tutte’s curiosity about which other graph invariants satisfied such recurrences led him to discover...
29 KB (4,325 words) - 13:03, 14 May 2025
distance-transitive is the Shrikhande graph, with 16 vertices and degree 6. The only graph of this type with degree three is the 126-vertex Tutte 12-cage. Complete lists...
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branch of algebraic graph theory concerns algebraic properties of invariants of graphs, and especially the chromatic polynomial, the Tutte polynomial and knot...
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various individual (finite) graphs. The columns 'vertices', 'edges', 'radius', 'diameter', 'girth', 'P' (whether the graph is planar), χ (chromatic number)...
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every 4-regular 4-vertex-connected graph is Hamiltonian. However, W. T. Tutte showed that all 4-connected planar graphs are hamiltonian. The characteristic...
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polynomial, such as the Tutte polynomial of a graph. Easily computable graph invariants are instrumental for fast recognition of graph isomorphism, or rather...
10 KB (1,182 words) - 09:40, 26 April 2025
Tetrahedral graph), K3,3, the Petersen graph, the Cubical graph, the Heawood graph, the Pappus graph, the Coxeter graph, the Tutte–Coxeter graph, the Dodecahedral...
6 KB (969 words) - 18:11, 10 February 2025