We study the Ricci flow on manifolds with boundary.  In the first part, we prove short-time existence and uniqueness of the solution, in which the boundary becomes instantaneously umbilic for positive time.  In the second part, we prove that the flow we constructed preserves natural boundary conditions.  More specifically, if the initial metric has a convex boundary, then the flow preserves positive curvature operator and the PIC1, PIC2 conditions.  Moreover, if the initial metric has a two-convex boundary, then the flow preserves the PIC condition.



 

28
December 2020
4pm - 5pm
Where
https://hkust.zoom.us/j/3142721729
Organizer(S)
Department of Mathematics
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Payment Details
Audience
Alumni, Faculty and staff, PG students, UG students
Language
English
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