• Thumbnail for Polyhedral graph
    In geometric graph theory, a branch of mathematics, a polyhedral graph is the undirected graph formed from the vertices and edges of a convex polyhedron...
    7 KB (836 words) - 01:34, 24 February 2025
  • Thumbnail for Herschel graph
    In graph theory, a branch of mathematics, the Herschel graph is a bipartite undirected graph with 11 vertices and 18 edges. It is a polyhedral graph (the...
    14 KB (1,631 words) - 19:15, 23 June 2025
  • Thumbnail for Barnette's conjecture
    Barnette's conjecture (category Unsolved problems in graph theory)
    cubic bipartite polyhedral graph Hamiltonian? More unsolved problems in mathematics Barnette's conjecture is an unsolved problem in graph theory, a branch...
    12 KB (1,194 words) - 22:36, 27 February 2025
  • Steinitz's theorem (category Polyhedral combinatorics)
    In polyhedral combinatorics, a branch of mathematics, Steinitz's theorem is a characterization of the undirected graphs formed by the edges and vertices...
    50 KB (5,973 words) - 06:51, 27 May 2025
  • Thumbnail for Hamiltonian path
    permutohedron Subhamiltonian graph, a subgraph of a planar Hamiltonian graph Tait's conjecture (now known false) that 3-regular polyhedral graphs are Hamiltonian Travelling...
    19 KB (2,043 words) - 13:05, 14 May 2025
  • Thumbnail for Tutte graph
    number 3, chromatic index 3, girth 4 and diameter 8. The Tutte graph is a cubic polyhedral graph, but is non-hamiltonian. Therefore, it is a counterexample...
    5 KB (697 words) - 20:43, 5 July 2021
  • Umpei; Hyugaji, Sachiko (1994), "Topological twin graphs. Smallest pair of isospectral polyhedral graphs with eight vertices", Journal of Chemical Information...
    15 KB (1,844 words) - 20:28, 19 February 2025
  • Thumbnail for Convex polytope
    only, ignoring higher-dimensional faces. For instance, a polyhedral graph is the polytope graph of a three-dimensional polytope. By a result of Whitney...
    23 KB (3,262 words) - 01:53, 22 May 2025
  • Thumbnail for Golomb graph
    In graph theory, the Golomb graph is a polyhedral graph with 10 vertices and 18 edges. It is named after Solomon W. Golomb, who constructed it (with a...
    4 KB (389 words) - 22:02, 3 November 2023
  • projective-plane embeddings of graphs with planar covers The strong Papadimitriou–Ratajczak conjecture: every polyhedral graph has a convex greedy embedding...
    195 KB (20,069 words) - 07:07, 11 June 2025
  • plane graphs by the same   V − E + F   {\displaystyle \ V-E+F\ } formula as for polyhedral surfaces, where F is the number of faces in the graph, including...
    29 KB (3,403 words) - 00:15, 24 June 2025
  • Thumbnail for Grinberg's theorem
    Grinberg's theorem (category Theorems in graph theory)
    cubic polyhedral graphs are Hamiltonian. Grinberg's theorem is named after Latvian mathematician Emanuel Grinberg, who proved it in 1968. A planar graph is...
    9 KB (1,161 words) - 22:39, 27 February 2025
  • Strangulated graphs are the graphs in which every peripheral cycle is a triangle. In a maximal planar graph (or more generally a polyhedral graph) the peripheral...
    35 KB (4,541 words) - 18:29, 29 May 2025
  • Thumbnail for 120-cell
    120-cell (category Individual graphs)
    adjacency matrix of the vertices representing the polyhedral graph of the unit-radius 120-cell, the graph diameter is 15, connecting each vertex to its coordinate-negation...
    131 KB (14,824 words) - 19:21, 6 April 2025
  • Thumbnail for 26-fullerene graph
    In the mathematical field of graph theory, the 26-fullerene graph is a polyhedral graph with V = 26 vertices and E = 39 edges. Its planar embedding has...
    5 KB (542 words) - 00:40, 24 July 2024
  • polyhedral (and therefore by necessity also 3-vertex-connected, vertex-transitive, and planar graphs), and also Hamiltonian graphs. The first graph in...
    2 KB (237 words) - 21:16, 16 June 2022
  • Thumbnail for Cactus graph
    to at most two blocks, then it is called a Christmas cactus. Every polyhedral graph has a Christmas cactus subgraph that includes all of its vertices,...
    13 KB (1,684 words) - 20:51, 27 February 2025
  • Thumbnail for Dual graph
    dipole graph. Conversely, the dual to an n-edge dipole graph is an n-cycle. According to Steinitz's theorem, every polyhedral graph (the graph formed...
    51 KB (6,607 words) - 00:16, 3 April 2025
  • Thumbnail for Cubic graph
    bicubic polyhedral graph is Hamiltonian. When a cubic graph is Hamiltonian, LCF notation allows it to be represented concisely. If a cubic graph is chosen...
    15 KB (1,777 words) - 22:39, 19 June 2025
  • Franklin graph Frucht graph Goldner–Harary graph Golomb graph Grötzsch graph Harries graph Harries–Wong graph Herschel graph Hoffman graph Holt graph Horton...
    14 KB (1,247 words) - 18:21, 11 May 2025
  • Thumbnail for Barnette–Bosák–Lederberg graph
    graph theory, the Barnette–Bosák–Lederberg graph is a cubic (that is, 3-regular) polyhedral graph with no Hamiltonian cycle, the smallest such graph possible...
    3 KB (241 words) - 22:39, 9 January 2024
  • Thumbnail for Cycle double cover
    Cycle double cover (category Graph theory objects)
    cycles in an undirected graph that together include each edge of the graph exactly twice. For instance, for any polyhedral graph, the faces of a convex...
    13 KB (1,750 words) - 22:01, 19 June 2025
  • Thumbnail for Force-directed graph drawing
    approach. Force-directed methods in graph drawing date back to the work of Tutte (1963), who showed that polyhedral graphs may be drawn in the plane with all...
    17 KB (2,224 words) - 15:07, 9 June 2025
  • every polyhedral graph contains a cycle of length Ω ( n log 3 ⁡ 2 ) {\displaystyle \Omega (n^{\log _{3}2})} . The polyhedral graphs are the graphs that...
    4 KB (521 words) - 21:18, 15 August 2023
  • Thumbnail for Circle packing theorem
    any polyhedral graph and its dual graph can be represented by two circle packings, such that the two tangent circles representing a primal graph edge...
    30 KB (3,857 words) - 17:30, 23 June 2025
  • Thumbnail for Cuboid
    between its adjacent faces). A cuboid is a convex polyhedron whose polyhedral graph is the same as that of a cube. General cuboids have many different...
    6 KB (350 words) - 09:49, 10 May 2025
  • vertex, the prism graphs are vertex-transitive graphs. As polyhedral graphs, they are also 3-vertex-connected planar graphs. Every prism graph has a Hamiltonian...
    8 KB (1,003 words) - 08:57, 20 February 2025
  • Thumbnail for Truncated icosahedron
    represented as a polyhedral graph, meaning a planar graph (one that can be drawn without crossing edges) and 3-vertex-connected graph (remaining connected...
    16 KB (1,563 words) - 15:19, 18 June 2025
  • Thumbnail for Polyhedron
    solid figure or to its boundary surface. The terms solid polyhedron and polyhedral surface are commonly used to distinguish the two concepts. Also, the term...
    97 KB (10,633 words) - 23:26, 24 June 2025
  • Thumbnail for Goldner–Harary graph
    The Goldner–Harary graph is also non-Hamiltonian. The smallest possible number of vertices for a non-Hamiltonian polyhedral graph is 11. Therefore, the...
    6 KB (687 words) - 20:26, 30 March 2025