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Finite or discrete collections of geometric objects. Packings, tilings, polyhedra, polytopes, intersection, arrangements, rigidity.

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Solution to Erdos-Ulam problem [closed]

I have solved the Erdos-Ulam problem (see link) and can construct a set that satisfies the conditions (dense in R2 with all interpoint distances rational). I have expanded the solution from two dimens …
Duncan McCallum's user avatar