If you need an invitation letter for a visa application, please complete the registration first, and then send an email to fuyj27@mail.sysu.edu.cn (Prof. Yinjin Fu). Additionally, please provide the following information in the email:

1. Your name as it appears on your passport.
2. Your current postal mailing address.
3. The conference name that you registered for.
4. Your registration confirmation number.
5. If you have a paper accepted by the conference, please provide the title.