User Scott Morrison - MathOverflow

Scott Morrison

Member for 14 years, 6 months
Last seen more than a week ago

GitHub
tqft.net
Canberra, Australia

21 Questions

Score Activity Newest Views

193 votes

30 answers

77k views

Real-world applications of mathematics, by arxiv subject area?

asked Oct 26, 2009 at 4:38

96 votes

8 answers

96k views

Which are the best mathematics journals, and what are the differences between them? [closed]

asked Sep 30, 2009 at 22:14

51 votes

5 answers

5k views

Can $N^2$ have only digits 0 and 1, other than $N=10^k$?

asked Sep 29, 2009 at 0:20

16 votes

2 answers

485 views

Are there piecewise-linear unknots that are not metrically unknottable?

asked Dec 8, 2009 at 0:29

14 votes

3 answers

2k views

How should I approximate real numbers by algebraic ones?

asked Oct 27, 2009 at 18:27

14 votes

5 answers

2k views

Why is the Hochschild homology of k[t] just k[t] in degrees 0 and 1?

asked Oct 7, 2009 at 19:21

11 votes

0 answers

336 views

Provide a citation for the "spine lemma"?

asked Sep 18, 2013 at 4:07

10 votes

2 answers

1k views

What's the sense in which A_\infty algebras are "deformable"?

asked Oct 7, 2009 at 20:30

10 votes

2 answers

889 views

Has anyone tabulated 2-knots? Would anyone like to try?

asked Oct 9, 2009 at 20:37

9 votes

2 answers

773 views

How can I prove that a sequence of squares of graph norms is never cyclotomic?

asked Oct 22, 2009 at 5:19

9 votes

8 answers

6k views

Which computer algebra system should I be using to solve large systems of sparse linear equations over a number field?

asked Oct 25, 2009 at 20:14

8 votes

0 answers

341 views

Is there a finite-index finite-depth II$_1$ subfactor which is more than $7$-super-transitive?

asked Oct 7, 2009 at 20:38

8 votes

1 answer

315 views

A $k$-component link defines a map $T^k\rightarrow \operatorname{Conf}_k S^3$. Does the homotopy type capture Milnor's invariants?

asked Oct 9, 2009 at 18:58

8 votes

0 answers

200 views

Subgraphs of planar trivalent graphs

asked Sep 11, 2014 at 4:44

7 votes

0 answers

120 views

How do I find elements of an algebra which generate an algebra contained in a fixed subspace?

asked Mar 6, 2012 at 1:30

7 votes

4 answers

429 views

How can I produce 'canonical' forms for rooted bipartite graphs?

asked Mar 2, 2010 at 4:49

7 votes

2 answers

503 views

How can you find small denominators inside triangles?

asked Oct 4, 2009 at 20:19

5 votes

2 answers

206 views

Are there better upper bounds on the rank of the commutant of a fusion module than the global dimension?

asked Aug 22, 2012 at 4:45

4 votes

1 answer

214 views

A group 3-cocycle, trivial on a pair of generating subgroups?

asked May 16, 2013 at 8:12

3 votes

1 answer

334 views

When is the neighbourhood of a set a ball?

asked Jul 12, 2010 at 22:23

2 votes

0 answers

110 views

Enumerating group actions with constrained images, up to symmetries

asked Jun 9, 2016 at 9:26