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05/14/2020
The Interval function, Ptolemaic, distance hereditary, bridged graphs and axiomatic characterizations
In this paper we consider certain types of betweenness axioms on the int...
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11/09/2019
Boundary-type Sets of Strong Product of Directed Graphs
Let D=(V,E) be a strongly connected digraph and let u ,v∈ V(D). The maxi...
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12/25/2017
