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11/23/2020
Arithmetic Expression Construction
When can n given numbers be combined using arithmetic operators from a g...
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07/31/2020
New Results in Sona Drawing: Hardness and TSP Separation
Given a set of point sites, a sona drawing is a single closed curve, dis...
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03/22/2020
1 x 1 Rush Hour with Fixed Blocks is PSPACE-complete
Consider n^2-1 unit-square blocks in an n × n square board, where each b...
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02/10/2020
