Mathematicians are working together. Mathematicians are connected with other mathematicians, even with the outside of the mathematical world. We are not lone wolves.

Below is a graph describing my collaborators (purple circles), my undergraduate collaborators (yellow circles), and collaborators of my collaborators (orange circles). You can see that already more than 80 people appear. It is also very astonishing that their research expertise is very diverse. I could see commutative algebraists, topologists, analysts, people working on quantum theories…

(updated 7/31/2019)