Seminar Event Detail

Algebraic Geometry

Date:  Wednesday, September 28, 2016
Location:  4096 East Hall (4:10 PM to 5:30 PM)

Title:  On rationality problems

Abstract:   Let X be a projective algebraic variety, the set of solutions of a system of homogeneous polynomial equations. Several classical notions describe how ``unconstrained'' the solutions are, i.e., how close X is
to projective space: there are notions of rational, unirational and stably rational varieties. Over the field of complex numbers, these notions coincide in dimensions one and two, but diverge in higher
dimensions. In this talk I will discuss classical examples of rational (or not) varieties, as well as the recent progress.


Speaker:  Alena Pirutka
Institution:  New York University

Event Organizer:     


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