Jacob.Z.Lee's user avatar
Jacob.Z.Lee's user avatar
Jacob.Z.Lee's user avatar
Jacob.Z.Lee
  • Member for 10 years, 4 months
  • Last seen this week
  • Tianjin, China
10 votes
1 answer
682 views

Is this diffeomorphism on standard two sphere an isometry?

10 votes
1 answer
439 views

A conjecture on the coefficient of a special term in the expansion of the graph polynomial?

5 votes
1 answer
310 views

The list chromatic number of some special toroidal grid graphs

5 votes
1 answer
332 views

How to prove some identities about infinite product?

4 votes
1 answer
292 views

A Conjecture about the integral related to Chebyshev polynomial

4 votes
1 answer
620 views

Alexander invariant of torus knot

3 votes
2 answers
399 views

how to calculate the following integral related to Chebyshev polynomials

3 votes
0 answers
93 views

The pagenumber of subdivision of a complete graph

3 votes
0 answers
143 views

How to compute $\lim_{n\to \infty}a_1b_n+a_2b_{n-1}+\cdots+a_nb_{1}$ [closed]

2 votes
0 answers
426 views

The calculation of permanent of a matrix

2 votes
0 answers
49 views

Book thickness of covering graph II

2 votes
1 answer
62 views

A simple equality for book embedding of two graphs

2 votes
2 answers
156 views

linking number and covering

2 votes
3 answers
382 views

how to get the coefficient of a special term in the expansion of the graph polynomial?

1 vote
1 answer
114 views

Bookthickness of covering space

1 vote
1 answer
103 views

Solutions of a special system of diophantine equations?

0 votes
1 answer
115 views

Matching book embedding of Cartesian products of graphs

0 votes
1 answer
66 views

Matching book thickness of the wheel graph $W_n$