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Stories related to "Graphs are to categories as lists are to monoids" across the full archive.
Here are two closely related papers (unfortunately, they are not open access.)
An Efficient Program for Many-Body Simulation (1985):
http://epubs.siam.org/doi/abs/10.1137/0906008
A portable distributed implementation of the parallel multipole tree algorithm (1990):
http://ieeexplore.ieee...