Wed, October 3, 2018
Public Access

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2:00pm [2:30pm] Piotr Pragacz, Polish Academy of Sciences, Warsaw
Description:
Algebraic geometry seminar Date& Time: Wednesday, 3rd October at 2.30 pm Venue: Ramanujan Hall Speaker: Piotr Pragacz, Polish Academy of Sciences, Warsaw https://www.impan.pl/~pragacz/ Title: Gysin maps, duality, and Schubert classes Abstract: We establish a Gysin formula for Kempf-Laksov flag bundles and prove a duality formula for Grassmann bundles. We then combine them to study Schubert bundles, their push-forwards and fundamental classes. This is a joint work with Lionel Darondeau.
3:00pm  
4:00pm [4:00pm] Mathematics Colloquium
Description:
Mathematics Colloquium Date & Time: 3rd October, Wednesday, at 4pm Venue: Ramanujan Hall Speaker: Debanjana Mitra Title: An application of microlocal analysis to control theory. Abstract: In the first part of my talk, some preliminaries on microlocal analysis will be discussed. In the second part of the talk, some techniques to study the controllability of a system using microlocal analysis will be explained. As an example of this approach, the lack of null controllability of viscoelastic flows will be discussed.

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