User Junyan Xu - MathOverflow

Junyan Xu

Member for 14 years, 3 months
Last seen this week

Bethesda, MD

9 Answers

Score Activity Newest

20 votes

Which popular games are the most mathematical?

answered Oct 7, 2011 at 8:04

10 votes

Which manifolds are homeomorphic to simplicial complexes?

answered Apr 21, 2011 at 13:29

7 votes

Accepted

Relation between combinatorial manifolds and PL manifolds

answered Jan 26, 2012 at 16:14

6 votes

Errata for Atiyah–Macdonald

answered Mar 5, 2013 at 4:00

6 votes

Most helpful math resources on the web

answered Dec 20, 2011 at 2:47

5 votes

What Are Some Naturally-Occurring High-Degree Polynomials?

answered Jan 7, 2012 at 6:37

3 votes

Length of optimal play in Hex as a function of size

answered Mar 20 at 2:29

1 vote

Theorems in Euclidean geometry with attractive proofs using more advanced methods

answered Feb 1, 2012 at 14:56

0 votes

It is well-known that hyperbolic space is delta-hyperbolic, but what is delta?

answered Jun 13, 2010 at 9:09