# Jackson, Bill

## Hamilton cycle in small d-diregular graphs ★★

Author(s): Jackson

An directed graph is -diregular if every vertex has indegree and outdegree at least .

**Conjecture**For , every -diregular oriented graph on at most vertices has a Hamilton cycle.

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## Long directed cycles in diregular digraphs ★★★

Author(s): Jackson

**Conjecture**Every strong oriented graph in which each vertex has indegree and outdegree at least contains a directed cycle of length at least .

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