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2011

Two-ended regular median graphs

9 years 6 months ago
Two-ended regular median graphs
We show that regular median graphs of linear growth are the Cartesian product of finite hypercubes with the two-way infinite path. Such graphs are Cayley graphs and have only two ends. For cubic median graphs G the condition of linear growth can be weakened to the condition that G has two ends. For higher degree the relaxation to twoended graphs is not possible, which we demonstrate by an example of a median graph of degree four that has two ends, but nonlinear growth. Key words: Median graphs; infinite graphs; Cartesian product of graphs; ends of graphs; growth rate of graphs AMS subject classification (2010): 05C63, 05C75
Wilfried Imrich, Sandi Klavzar
Added 27 Aug 2011
Updated 27 Aug 2011
Type Journal
Year 2011
Where DM
Authors Wilfried Imrich, Sandi Klavzar
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