In geometric graph theory, a branch of mathematics, a matchstick graph is a graph that can be drawn in the plane in such a way that its edges are line...

distance graphs include the cactus graphs, the matchstick graphs and penny graphs, and the hypercube graphs. The generalized Petersen graphs are non-strict...

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), chromatic...

plant Matchstick girl, a variant name of the fictional character "The Little Match Girl" Matchstick graph, a type of geometric graph Matchstick Men, a...

number and a primitive semiperfect number. The smallest known 4-regular matchstick graph has 104 edges and 52 vertices, where four unit line segments intersect...

may have different lengths. Every penny graph is a unit disk graph and a matchstick graph. Like planar graphs more generally, they obey the four color...

In graph theory, a parity graph is a graph in which every two induced paths between the same two vertices have the same parity: either both paths have...

a Wedderburn-Etherington number. There are exactly 207 different matchstick graphs with eight edges. 207 is a deficient number, as 207's proper divisors...

a unit distance drawing; that is, it is not a matchstick graph. The Moser spindle is also a Laman graph, meaning that it forms a minimally rigid system...

triangular matchstick number 1135 = centered triangular number 1136 = number of independent vertex sets and vertex covers in the 7-sunlet graph 1137 = sum...

triangle graph Matchstick graph, a graph that can be drawn planarly with all edge lengths equal to 1 Erdős–Diophantine graph, a complete graph with integer...

Königsberg Water, gas, and electricity Slitherlink Rubik's Cube Think-a-Dot Matchstick puzzle Conway's Game of Life Flexagon Polyominoes Kulkarni, D. Enjoying...

form four equilateral triangles using six unbroken matchsticks. The solution places the matchsticks along the edges of a tetrahedron. The skeleton of the...

Make 20 equilateral triangles using 15 matchsticks, where each side of every triangle is exactly one matchstick. It can also be called a hexateron, or...

the Harborth graph. It is the smallest known example of a 4-regular matchstick graph. It has 104 edges and 52 vertices. In connection with the happy ending...

the oldest games in the world. Yaglom, I. M. (2001), "Two games with matchsticks", in Tabachnikov, Serge (ed.), Kvant Selecta: Combinatorics, I, Volume...

servicing platform application provided by Black Knight Financial Services Matchstick Productions, a company producing videos of extreme sports, especially...

same size, using 10 matchsticks, where each side of every triangle is exactly one matchstick, and none of the triangles and matchsticks intersect one another...

402 = 2 × 3 × 67, sphenic number, nontotient, Harshad number, number of graphs with 8 nodes and 9 edges HTTP status code for "Payment Required". The area...

non-palindromic number 828 = 22 × 32 × 23, Harshad number, triangular matchstick number 829 = prime number, twin prime, part of prime quadruplet with {827...

State group. The court found him guilty last month. "The 2016 Copenhagen 'Matchstick' Terror Plot and the Evolving Transnational Character of Terrorism in...

game whose state consists of multiple piles of tokens, such as coins or matchsticks, and a valid move removes any number of tokens from a single pile. Nim...