The Zoom ID for the conference is 443-003-0811. Since the registration is closed, please email Kyeongsu Choi(choiks@kias.re.kr) to receive the password for the Zoom meeting.

If you are in a rush, you can solve the following quiz. The password is the determinant of the Hessian of the function f(x,y)=123x^2+x^4+234y^2+y^4 at the critical point.