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searching for Triangle graph 7 found (18 total)

Branch-decomposition (2,449 words) [view diff] exact match in snippet view article find links to article

matchings; the minimal forbidden minors are a two-edge path graph and a triangle graph (or the two-edge cycle, if multigraphs rather than simple graphs are

Borůvka's algorithm (1,176 words) [view diff] exact match in snippet view article find links to article

forest, that is, it does not contain cycles. For example, consider a triangle graph with nodes {a,b,c} and all edges of weight 1. Then a cycle could be

Nested triangles graph (741 words) [view diff] exact match in snippet view article find links to article

the n2/9 lower bound on drawing area for completions of the nested triangle graph remains an open problem. Unsolved problem in mathematics What is the

Vertex cover in hypergraphs (1,328 words) [view diff] exact match in snippet view article find links to article

following projective planes are known to exist: H2: it is simply a triangle graph. H3: it is the Fano plane. Hp+1 exists whenever p is the power of a

Graph homomorphism (4,860 words) [view diff] exact match in snippet view article find links to article

triangle-free (it has girth 4 and odd girth 5), so it is incomparable to the triangle graph K3. Examples of graphs with arbitrarily large values of odd girth and

Line graph (5,360 words) [view diff] exact match in snippet view article find links to article

then the underlying graphs are isomorphic, except in the case of the triangle graph K3 and the claw K1,3, which have isomorphic line graphs but are not

Schwarz triangle (10,933 words) [view diff] exact match in snippet view article find links to article

Schwarz triangle (p q r) on sphere Schwarz triangle graph