Department of

Mathematics


Seminar Calendar
for Graduate Analysis Seminar events the year of Wednesday, September 16, 2020.

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More information on this calendar program is available.
Questions regarding events or the calendar should be directed to Tori Corkery.
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Friday, January 24, 2020

3:00 pm in 347 Altgeld Hall,Friday, January 24, 2020

Organizational Meeting

Kesav Krishnan (UIUC Math)

Abstract: This organizational meeting will be to decide on a schedule of speakers. All are welcome

Friday, January 31, 2020

3:00 pm in 347 Altgeld Hall,Friday, January 31, 2020

Indroduction to Non Commutative Probability

Kesav Krishnan (UIUC Math)

Abstract: In this talk I will introduce Non Commutative Probability Theory, and highlight some of its uses in classical Probability, such as the study of random matrices. In particular, motivation of Wigner's semi-circle law as the non commutative analog of the Central Limit Theorem.

Friday, February 7, 2020

3:00 pm in 347 Altgeld Hall,Friday, February 7, 2020

Indroduction to Non Commutative Probability Part 2

Kesav Krishnan (UIUC Math)

Abstract: I will continue the talk from last friday, on the Introduction to Non Commutative Probability. In this talk, I will focus on limit laws, in particular the non commutative CLT and the universality of the semi-circle law.

Friday, February 14, 2020

3:00 pm in 347 Altgeld Hall,Friday, February 14, 2020

An Introduction to $L^2$ Cohomology

Gayana Jayasinghe (UIUC Math)

Abstract: We'll see how we can construct quasi isometry invariants and some conformal invariants with function spaces and operators on manifolds (and some more general spaces), and how we can use analysis to study geometric structures

Friday, February 28, 2020

3:00 pm in 347 Altgeld Hall,Friday, February 28, 2020

Eigenvalues on Forms

Xiaolong Han (UIUC Math)

Abstract: Recently there has been a growing interest in eigenvalues on forms. It is much more complicated than eigenvalues on functions but can detect finer geometry. It has applications in detecting length of axes of John ellipsoid of convex body, relating Monopole Floer homology to hyperbolic geometry, and commutator length in hyperbolic geometry. In this talk we will show some basic theory and definitions for eigenvalues on forms, and then provide some intuition for the geometry and applications.

Friday, March 6, 2020

3:00 pm in 347 Altgeld Hall,Friday, March 6, 2020

Screened Sobolev Spaces

David Altizio (UIUC Math)

Abstract: TBA

Friday, August 28, 2020

1:00 pm in Zoom link sent to mailing list,Friday, August 28, 2020

Organizational Meeting

Abstract: We will discuss what time should the seminar happen, as well as who is going to give a talk when. Email either one of the organizers (ekc3(at)illinois.edu, kesavsk2(at)illinois.edu) if you wish to be added to the mailing list and/or to receive the meeting's link and password.

Friday, September 4, 2020

1:00 pm in Zoom,Friday, September 4, 2020

To Be Announced

Kesav Krishnan (UIUC Math)

Abstract: TBA

Friday, September 11, 2020

1:00 pm in Zoom,Friday, September 11, 2020

Complex dynamics and linearization

Stathis Chrontsios (UIUC Math)

Abstract: Complex dynamics is the study of iteration of either rational functions from the Riemann sphere into itself or entire functions. Fatou and Julia sets play a main role in that study. Their definitions will be given, as well as a few examples and properties. Last but not least, connections between complex dynamics, number theory and linearization will be discussed.

Friday, September 18, 2020

1:00 pm in Zoom,Friday, September 18, 2020

Positive Commutators, Propagation of Singularities, and trapping

Hadrian Quan   [email] (UIUC Math)

Abstract: In this talk I’ll describe the method of positive commutators, which is a flexible technique (=works on a manifold) for proving estimates about solutions of linear PDEs. Positive commutator estimates are useful for proving results about hyperbolic equations like the wave equation, or more generally any equations which involve a “flow”, by relating properties of solutions to the trajectories of an associated classical dynamical system. In particular they can give quantitative meaning to mysterious statements like “solutions of the wave equation propagate along light-cones.”

Friday, September 25, 2020

1:00 pm in Zoom link sent to mailing list,Friday, September 25, 2020

To Be Announced

Mary Angelica Gramcko-Tursi   [email] (UIUC Math)

Abstract: TBA

Friday, October 2, 2020

1:00 pm in Zoom,Friday, October 2, 2020

Abstract: TBA