Mark Ellingham

Mark Norman Ellingham is a professor of mathematics at Vanderbilt University whose research concerns graph theory.

[1] With Joseph D. Horton, he is the discoverer and namesake of the Ellingham–Horton graphs, two cubic 3-vertex-connected bipartite graphs that have no Hamiltonian cycle.

[2] Ellingham earned his Ph.D. in 1986 from the University of Waterloo under the supervision of Lawrence Bruce Richmond.

[3] In 2012, he became one of the inaugural fellows of the American Mathematical Society.

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