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Hao Chen
  • Member for 10 years, 4 months
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33 votes
4 answers
3k views

When is an erratum necessary?

14 votes
0 answers
2k views

How many unit balls can be put into a unit cube?

10 votes
1 answer
280 views

What is known about the chromatic number for minimum-distance graphs in higher dimensions?

10 votes
1 answer
399 views

What can we learn from the newly discovered monohedral convex pentagonal tiling?

9 votes
0 answers
287 views

Neighborly family of coins

7 votes
2 answers
120 views

Graph embedding that locally minimizes total edge lengths

7 votes
1 answer
324 views

For a 3D Apollonian packing, do we really know that the Hausdorff dimension of the complement is approximated by the growth rate of curvature?

7 votes
2 answers
389 views

Are there infinitely many commensurable classes of finite-covolume hyperbolic Coxeter groups?

6 votes
1 answer
507 views

How does the distribution of Erdős number evolve over time ? How to build a model to fit the real data ?

5 votes
1 answer
232 views

Generalized Plateau problem with non-Jordan boundary

5 votes
0 answers
78 views

Is every space group the symmetry group of some triply periodic minimal surface?

5 votes
1 answer
277 views

Non-zero winding number on a space curve implies a linked curve in the zero set?

4 votes
1 answer
992 views

"Codes" in which a group of words are pairwise different at a certain position

4 votes
0 answers
167 views

Graph drawing maximizing the volume of the convex hull

3 votes
1 answer
446 views

Eigenvalues for elements of (infinite) Coxeter groups

3 votes
0 answers
457 views

Is the limit set of a group action always closed?

3 votes
0 answers
95 views

Symmetries of irregular simplices

3 votes
0 answers
110 views

Infinite counter-examples to Borsuk conjecture

2 votes
0 answers
78 views

Are the following hyperplane arrangements previously studied?

2 votes
1 answer
83 views

Behaviour of elliptic functions near degenerate lattice

2 votes
1 answer
114 views

How many edges guarantee an expander?

1 vote
0 answers
68 views

What are / could be the applications of Delaunay oriented matroids?

1 vote
0 answers
296 views

Which term is better for the so called "sphere packing"?