User Joseph O'Rourke - MathOverflow

Joseph O'Rourke

Member for 13 years, 11 months
Last seen this week

Twitter
cs.smith.edu/~jorourke
Northampton, MA, USA

702 Questions

Score Activity Newest Views

3 votes

2 answers

317 views

Efficient representations of natural numbers via arithmetical expressions

asked Dec 2, 2013 at 1:42

3 votes

1 answer

2k views

Conditions for a parametric curve to avoid self-intersection?

asked Jun 8, 2014 at 0:09

3 votes

1 answer

140 views

Are there isomeasure simplices?

asked Jul 14, 2014 at 0:38

3 votes

0 answers

243 views

Do $r$-th root Harmonic numbers ever sum to integers?

asked Aug 9, 2014 at 1:34

3 votes

0 answers

113 views

Surfaces ruled through a subset of points

asked Oct 10, 2014 at 23:55

3 votes

0 answers

122 views

A taut string of equilateral triangles

asked Oct 7, 2014 at 12:27

3 votes

1 answer

333 views

Covering points with a shortest lattice spiral

asked Sep 5, 2014 at 11:26

3 votes

1 answer

558 views

Node-edge coloring of graphs

asked Nov 14, 2015 at 3:40

3 votes

2 answers

158 views

Sub-sector covers for disks and balls

asked Dec 24, 2015 at 14:46

3 votes

0 answers

176 views

Dynamics of electrons on a sphere

asked Mar 18, 2015 at 0:58

3 votes

1 answer

233 views

Translation surfaces & integer multiples of $\pi$

asked Feb 8, 2015 at 22:26

3 votes

2 answers

268 views

Sets of squares representing all squares up to $n^2$

asked Dec 20, 2014 at 20:44

2 votes

1 answer

333 views

Closed geodesics that cross one another frequently

asked Mar 12, 2015 at 11:59

2 votes

2 answers

159 views

4D Duoprisms based on nonconvex polygons

asked Apr 11, 2015 at 17:43

2 votes

0 answers

135 views

Is there any counterpart to Thales' semicircle theorem in higher dimensions?

asked Mar 29, 2015 at 0:02

2 votes

1 answer

433 views

Random walk on a sphere along latitude-longitude grid

asked May 18, 2015 at 22:38

2 votes

1 answer

99 views

Complexity of recognizing equivalent translation surfaces

asked Dec 22, 2015 at 19:52

2 votes

1 answer

158 views

Gradual monotonic morphing between two natural numbers

asked Nov 23, 2015 at 1:21

2 votes

1 answer

86 views

Visibility kernels of embedded graphs

asked Oct 25, 2014 at 15:47

2 votes

1 answer

257 views

A perfect $(n,k)$ shuffle function

asked Nov 22, 2014 at 2:22

2 votes

1 answer

370 views

Optimal, conformal diffeomorphisms between two surfaces in 3D

asked Nov 28, 2013 at 0:44

2 votes

1 answer

1k views

Geodesic convex hulls in a graph; and their properties

asked Nov 16, 2013 at 1:37

2 votes

1 answer

131 views

Omit each vertex in turn of convex polygon: Iterative limit?

asked Mar 29, 2014 at 1:00

2 votes

1 answer

922 views

New Year's Predictions in Mathematics [closed]

asked Dec 31, 2010 at 19:39

2 votes

2 answers

281 views

Three questions concerning lattice points on sphere surfaces

asked Aug 25, 2013 at 22:42

2 votes

4 answers

1k views

Product of exponents of prime factorization

asked Oct 1, 2013 at 23:47

2 votes

2 answers

669 views

Midpoint lattice polygons

asked Jun 29, 2012 at 12:56

2 votes

1 answer

307 views

Connecting tangents of convex curves: at some point orthogonal?

asked Jan 21, 2012 at 1:01

2 votes

1 answer

194 views

Self-intersecting path of stacked regular tetrahedra

asked Apr 17, 2020 at 22:21

2 votes

1 answer

136 views

Distance queries to reconstruct an unknown graph

asked Dec 22, 2019 at 1:54

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