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Joseph O'Rourke's user avatar
Joseph O'Rourke's user avatar
Joseph O'Rourke's user avatar
Joseph O'Rourke
  • Member for 14 years, 7 months
  • Last seen this week
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About

Professor of Computer Science, Emeritus; Professor of Mathematics, Emeritus.

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Top posts
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question
235
Conway's lesser-known results
Apr 12, 2020
question
143
Gaussian prime spirals
Mar 16, 2012
question
140
Is the boundary $\partial S$ analogous to a derivative?
Nov 16, 2010
question
123
Rediscovery of lost mathematics
Jul 18, 2014
question
109
Why are matrices ubiquitous but hypermatrices rare?
Dec 2, 2010
question
103
Have you solved problems in your sleep?
Apr 27, 2014
question
100
Light rays bouncing in twisted tubes
Jul 15, 2011
question
88
Light reflecting off Christmas-tree balls
Dec 22, 2010
question
87
Parodies of abstruse mathematical writing
Mar 14, 2015
question
81
Theorems that impeded progress
Apr 4, 2019
Top Meta posts
37
32
44
Restoring Bill Thurston's figures in an answer
35
Grothendieck's passing
35
What MO is for and what is *your* aim in participation?
29
2013 Moderator Nominations
26
Slight downward trend in Q & A
Top network posts
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87
Why are induction proofs so challenging for students?
75
What is the smallest unknown natural number?
59
A sequence that avoids both arithmetic and geometric progressions
53
Why is this coin-flipping probability problem unsolved?
53
Why are there only a finite number of sporadic simple groups?