Mon, November 16, 2020
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4:00pm [4:00pm] Roy Skjelnes, KTH, Stockholm
Description:
Speaker: Roy Skjelnes, KTH, Stockholm Time: Monday 16th November 4 to 5pm (joining time 3.45 pm IST) Google Meet Link: https://meet.google.com/qvo-kduy-yco Title: Classification of smooth Hilbert schemes. Abstract: The Hilbert scheme parametrizing closed subschemes in a fixed projective n-space having Hilbert polynomial p is a projective scheme. Each such polynomial p can be described in terms of an integer partition, and this can then be used to classify which Hilbert schemes are smooth. The corresponding subschemes parametrized are described by a generalization of partial flags. I will try to explain the classification result and the underlying geometry. These new results are based on a joint work with Greg Smith.

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