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cs.DS2020
Computational Aspects of Sturdy and Flimsy Numbers
Trevor Clokie, Thomas F. Lidbetter, Antonio Molina Lovett +2
Following Stolarsky, we say that a natural number n is flimsy in base b if some positive multiple of n has smaller digit sum in base b than n does; otherwise it is sturdy. We devel…
cs.DS2019
Search and Rescue in the Face of Uncertain Threats
Thomas Lidbetter
We consider a search problem in which one or more targets must be rescued by a search party, or Searcher. The targets may be survivors of some natural disaster, or prisoners held b…