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ZoomThis week we are happy to have Fenglong You speaking from the University of Oslo. Relative quantum cohomology under birational transformations I will talk about how relative quantum cohomology, defined by Tseng-You and Fan-Wu-You, varies under birational transformations. Relation with FJRW theory and extremal transitions of absolute Gromov--Witten theory will also be discussed. https://zoom.us/j/7481354483 (Meeting ID: […]