Baudoin’s travel––Chen
11/27/2016---12/3/2016, Germany
https://publications.mfo.de/handle/mfo/3559
There is no evidence that Baudoin brought his other students. 7/8/2017---7/17/2017, Spain which was Chen’s working place. 9/9/2018---9/14/2018, Casa Matemática Oaxaca, Mexico https://www.birs.ca/events/2018/5-day-workshops/18w5080
There is no evidence that Baudoin brought his other students 11/11/2019---11/24/2019, Germany https://publications.mfo.de/handle/mfo/3817
There is no evidence that Baudoin brought his other students 6/19/2019--- 6/30/2019, China
