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Wednesday, October 6, 2021 12:00 pm - 12:00 pm EDT (GMT -04:00)

Math Faculty Teaching Seminar

Amanda Garcia and Burcu Tuncer Karabina, Faculty of Mathematics, University of Waterloo

"An analysis of student behaviour and use of Mobius in Calculus 3"

Wednesday, October 6, 2021 4:00 pm - 4:00 pm EDT (GMT -04:00)

Analysis Seminar

Srivatsav Kunnawalkam Elayavalli, Vanderbilt University

"Strong 1-boundedness and Property T"

In recent joint work with B. Hayes and D. Jekel, we showed that Property T II_1 factors are strongly 1-bounded in the sense of Jung. In this talk, I will describe the historical context of this problem, and the solution. 

This seminar will be held jointly online and in person. 

Friday, October 8, 2021 2:30 pm - 2:30 pm EDT (GMT -04:00)

Geometry & Topology Seminar

Ákos Nagy, University of California Santa Barbara

"Novel solutions in Ginzburg–Landau theory"

Friday, October 8, 2021 4:00 pm - 4:00 pm EDT (GMT -04:00)

Analysis Seminar

Elisabeth Werner, Case Western Reserve University

"Blaschke-Santalo inequality for many functions and geodesic barycenters of measures"

Motivated by the geodesic barycenter problem from optimal transportation theory, we prove a natural generalization of the Blaschke-Santalo inequality and the affine isoperimetric inequalities for many sets and many functions.

Based on joint work with A. Kolesnikov.

This seminar will be held jointly online and in person. 

Tuesday, October 19, 2021 10:00 am - 10:00 am EDT (GMT -04:00)

Algebraic Geometry Working Seminar

Francisco Villacis, Department of Pure Mathematics, University of Waterloo

"An Introduction to Orbifolds"

It is well-known that the orbit space of a group action on a manifold is generally not a manifold. However, such quotients appear frequently in physics and geometry and possess certain characteristics that make them interesting objects to study. In this talk, we introduce a subclass of these spaces, called orbifolds, and consider different examples coming from both geometry and physics.

Zoom meeting:

Wednesday, October 20, 2021 12:00 pm - 12:00 pm EDT (GMT -04:00)

Math Faculty Teaching Seminar

Patrick Walls, University of British Columbia

"Python and Jupyter for Teaching and Learning"

Jupyter notebook is an open source web application for creating documents which include text, code, data, equations and graphics. We will take a tour of the Jupyter ecosystem including JupyterHub for hosting computational environments, nbgitpuller for sharing notebooks, nbgrader for autograding assignments and Python packages for mathematical computing.

Wednesday, October 20, 2021 2:30 pm - 2:30 pm EDT (GMT -04:00)

Differential Geometry Working Seminar

Spiro Karigiannis, Department of Pure Mathematics, University of Waterloo

"Generalized superminimal surfaces and holomorphic representation (Part 2)"

I will continue from where we left off last time. We have related conformal minimal immersions of a domain in the complex plane into R^n to harmonic maps, and packaged them in terms of holomorphic data. We have also discussed complex maps and superminimal maps as special cases. This time we will fit these special cases into a hierarchy using complex analysis.

Wednesday, October 20, 2021 4:00 pm - 4:00 pm EDT (GMT -04:00)

Analysis Seminar

Konstantin Tikhomirov, Georgia Institute of Technology

"Shotgun assembly of Erdos-Renyi graphs"

We show that in the regime p>n^{-1/2} polylog(n), the unlabeled G(n,p) random graph can be uniquely reconstructed from its 1-neighborhoods with probability close to one, answering a question of Gaudio and Mossel. Based on joint work with Han Huang.

This seminar will be held jointly online and in person. 

Tuesday, October 26, 2021 10:00 am - 10:00 am EDT (GMT -04:00)

Algebraic Geometry Working Seminar

Robert Cornea, Department of Pure Mathematics, University of Waterloo

"Compactification of the Moduli of Twisted Higgs Bundles over P^1"

Wednesday, October 27, 2021 2:30 pm - 2:30 pm EDT (GMT -04:00)

Differential Geometry Working Seminar

Daren Cheng, Department of Pure Mathematics, University of Waterloo

"Incompressible minimal surfaces and topological consequences of positive scalar curvature"