This is a virtual online seminar in algebraic geometry, organized by Fudan and SCMS algebraic group. The seminar will be held each Thursday (or Wed., at time suitable to the speakers). The seminar will use the video conference service Zoom. For security reason, in a few weeks the seminar will be only be accessible to those with a Zoom account and has registered. Anyone interested in attending the conference in the future, please register at Zoom.