Department of

Mathematics


Seminar Calendar
for events the day of Tuesday, October 17, 2017.

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Questions regarding events or the calendar should be directed to Tori Corkery.
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Tuesday, October 17, 2017

11:00 am in 345 Altgeld Hall,Tuesday, October 17, 2017

To Be Announced

Tasos Moulinos (UIC)

1:00 pm in 347 Altgeld Hall,Tuesday, October 17, 2017

On Singularity Formation in General Relativity

Xinliang An (U Toronto Math)

Abstract: In the process of gravitational collapse, singularities may form, which are either covered by trapped surfaces (black holes) or visible to faraway observers (naked singularities). In this talk, with three different approaches coming from hyperbolic PDE, quasilinear elliptic PDE and dynamical system, I will present results on four physical questions: i) Can “black holes” form dynamically in the vacuum? ii) To form a “black hole”, what is the least size of initial data? iii) Can we find the boundary of a “black hole” region? Can we show that a “black hole region” is emerging from a point? iv) For Einstein vacuum equations, could singularities other than black hole type form in gravitational collapse?

3:00 pm in 241 Altgeld Hall,Tuesday, October 17, 2017

TBA

Hemanshu Kaul (Illinois Institute of Technology)

3:00 pm in 243 Altgeld Hall,Tuesday, October 17, 2017

To Be Announced

Evangelia Gazaki (University of Michigan)