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math.HO2019
Refinement of Metrics: Erdős Number, a Case Study
K. Lock, W. Y. Pong, A. Wittmond
We introduce a concept called refinement and develop two different ways of refining metrics. By applying these methods we produce several refinements of the shortest-path distance…
math.HO2017
Partition Problems and a Pattern of Vertical Sums
Eunice Krinsky, Serban Raianu, Alexander Wittmond
We give a possible explanation for the mystery of a missing number in the statement of a problem that asks for the non-negative integers to be partitioned into three subsets. We in…