https://page.om.qq.com/page/OO7yxv_L6KiaU8S5iDYnuo8Q0
https://penntoday.upenn.edu/news/where-math-meets-physics#:~:text=For%20physicists%2C%20math%20is%20a,mathematicians%20to%20develop%20new%20tools.
https://penntoday.upenn.edu/news/where-math-meets-physics#:~:text=For%20physicists%2C%20math%20is%20a,mathematicians%20to%20develop%20new%20tools.
[]