109
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EJC
2006
15 years 3 months ago
2006
Average distance of a graph is expressed in terms of its canonical metric representation. The equality can be modified to an inequality in such a way that it characterizes isometr...
118
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DM
2008
15 years 3 months ago
2008
Partial cubes are isometric subgraphs of hypercubes. Structures on a graph defined by means of semicubes, and Djokovi