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Doug Chatham's user avatar
Doug Chatham's user avatar
Doug Chatham's user avatar
Doug Chatham
  • Member for 13 years, 11 months
  • Last seen more than 5 years ago
  • Morehead, KY
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Associate Professor of Mathematics, Morehead State University

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23
Approximation for $\pi$
19
Is there a good argument for why you can't place 4 queens which cover a chessboard?
18
Conjectures that have been disproved with extremely large counterexamples?
17
Studying Euclidean geometry using hyperbolic criteria
14
The Worst Possible Winner