A Degree Sum Condition for Hamiltonicity in Balanced Bipartite Digraphs
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DOI: 10.1007/s00373-016-1751-6
Abstract: We prove that a strongly connected balanced bipartite digraph D of order 2a is hamiltonian, provided $$a\ge 3$$a≥3 and $$d(x)+d(y)\ge 3a$$d(x)+d(y)≥3a for every pair of vertices x, y with a common in-neighbour or a common out-neighbour… read more here.
Keywords: condition hamiltonicity; sum condition; hamiltonicity balanced; bipartite digraphs ... See more keywords