Mathematics
Joseph O'Rourke's user avatar
Joseph O'Rourke's user avatar
Joseph O'Rourke's user avatar
Joseph O'Rourke
  • Member for 13 years, 4 months
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About

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

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All Questions Answers
Score Newest
answer
72
What is the smallest unknown natural number?
Jun 8, 2015
question
58
A sequence that avoids both arithmetic and geometric progressions
Jul 7, 2014
question
52
Why are there only a finite number of sporadic simple groups?
Aug 14, 2010
question
52
Why is this coin-flipping probability problem unsolved?
Oct 6, 2010
question
49
Why are some coins Reuleaux triangles?
Jun 20, 2018
question
42
Why can't three unit regular triangles cover a unit square?
Apr 7, 2015
question
41
"the only odd dimensional spheres with a unique smooth structure are $S^1$, $S^3$, $S^5$, $S^{61}$"
Jan 12, 2016
answer
41
What seemingly innocuous results in mathematics require advanced proofs?
Aug 17, 2017
question
40
Is any mathematican more famous for their conjecture(s) than their theorem(s)?
Sep 23, 2016
question
40
Why does this process map every fraction to the golden ratio?
Nov 18, 2019
Top Meta posts
4
0
47
User asking exercises from textbook without so identifying
24
Does the number of questions exceed the number of active participants?
Top network posts
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233
Conway's lesser-known results
143
Gaussian prime spirals
134
Is the boundary $\partial S$ analogous to a derivative?
122
Rediscovery of lost mathematics
103
Why are matrices ubiquitous but hypermatrices rare?

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