User Zhiyun Cheng - MathOverflow

Zhiyun Cheng

Member for 12 years, 2 months
Last seen more than 2 years ago

China

7 Questions

Score Activity Newest Views

5 votes

1 answer

403 views

One question about the quandle

asked Mar 17, 2013 at 7:33

5 votes

1 answer

267 views

Mapping a group to a finite group s.t. the image of each generator is nontrivial

asked Jul 20, 2016 at 2:40

4 votes

2 answers

565 views

Braid group and knot group

asked Aug 8, 2017 at 2:46

3 votes

1 answer

700 views

Unknotting number and crossing number

asked Oct 9, 2012 at 12:26

3 votes

0 answers

374 views

Jones polynomial of 2-knots

asked Feb 14, 2014 at 2:27

3 votes

1 answer

166 views

Quandle colorings under Reidemeister moves

asked Sep 7, 2014 at 15:54

2 votes

0 answers

184 views

The minor of a square matrix

asked Oct 5, 2013 at 12:47