Xin Zhang

Member for 5 years
Last seen more than a week ago

sites.google.com/view/zhangx

Summary

Reputation

1,190

1.2k
860
531

2021
2022
2023
2024

Top tag

graph-theory

Next privilege

2,000 Rep.

Edit posts

Badges

5

11

Newest

Yearling

Next badge

0/1

Custodian

Impact

~7k

people reached

0

posts edited

0

helpful flags

35

votes cast

Questions

View all 28 questions

13

Does there exist 2-planar graph with chromatic number 8 or 9 or 10

Nov 22, 2019

8

Berge-Fulkerson conjecture --- the planar case

Aug 15, 2021

7

Disjoint perfect matchings in complete bipartite graph

Aug 28, 2021

7

There is a 3-connected 5-regular simple $n$-vertex planar graph iff $n$ satisfies....?

Jul 21, 2020

6

Is there any maximal 1-planar or 2-planar graph that is not 3-connected

Jul 8, 2020

Answers

5

An edge coloring problem for class two graphs

Sep 27, 2021

4

Is it possible that every edge in a 1-planar drawing with minimum number of crossings is crossed?

Apr 19, 2022

3

Is there any maximal 1-planar or 2-planar graph that is not 3-connected

Jul 18, 2020

1

Graph chromatic numbers defined by interactive proof

Jul 22, 2020

1

The density of a tripartite 1-planar graph

Jan 20, 2021

Tags

View all 22 tags

graph-theory

14

Score

32

posts

co.combinatorics

14

Score

30

posts

graph-drawing

8

Score

12

posts

gt.geometric-topology

7

Score

8

posts

graph-colorings

6

Score

13

posts

Reputation

+10

Is there any known upper bound for the local crossing number of a graph drawing in the plane?

+30

Can we remove the restriction on a parameter in Talagrand concentration inequality?

+10

Berge-Fulkerson conjecture --- the planar case

+10

Does there exist 2-planar graph with chromatic number 8 or 9 or 10

Badges

View all badges

This user doesn’t have any gold badges yet.

5

silver badges

Yearling

× 5

Nov 22

11

bronze badges

Self-Learner

Jan 9, 2023
Caucus

Apr 7, 2021
Curious

Jul 9, 2020

Accounts

1,190
5
11

Meta Stack Exchange

101

Active bounties (0)

This user has no active bounties

Votes cast

35

upvotes

8

question votes

27

answer votes