Disjoint 5-cycles in a graph

Hong Wang

Displaying similar documents to “Disjoint 5-cycles in a graph”

On the intersections of longest cycles in a graph.

Stewart, Iain A., Thompson, Ben (1995)

Experimental Mathematics

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Exotic Collatz cycles

John L. Simons (2008)

Acta Arithmetica

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On a minimum cycle basis of a graph

E. Kolasińska (1980)

Applicationes Mathematicae

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Pancyclicity when each Cycle Must Pass Exactly k Hamilton Cycle Chords

Fatima Affif Chaouche, Carrie G. Rutherford, Robin W. Whitty (2015)

Discussiones Mathematicae Graph Theory

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It is known that Θ(log n) chords must be added to an n-cycle to produce a pancyclic graph; for vertex pancyclicity, where every vertex belongs to a cycle of every length, Θ(n) chords are required. A possibly ‘intermediate’ variation is the following: given k, 1 ≤ k ≤ n, how many chords must be added to ensure that there exist cycles of every possible length each of which passes exactly k chords? For fixed k, we establish a lower bound of ∩(n1/k) on the growth rate.

Edge cycle extendable graphs

Terry A. McKee (2012)

Discussiones Mathematicae Graph Theory

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A graph is edge cycle extendable if every cycle C that is formed from edges and one chord of a larger cycle C⁺ is also formed from edges and one chord of a cycle C' of length one greater than C with V(C') ⊆ V(C⁺). Edge cycle extendable graphs are characterized by every block being either chordal (every nontriangular cycle has a chord) or chordless (no nontriangular cycle has a chord); equivalently, every chord of a cycle of length five or more has a noncrossing chord.