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Friday, September 29, 2017 — 3:30 PM EDT

Eli Shamovich, Pure Mathematics, University of Waterloo

"Free Function Theory on the Noncommutative Ball"

Friday, September 29, 2017 — 2:30 AM EDT

Dhruv Ranganathan
MIT

"Moduli of Elliptic Curves in Toric Varieties and Tropical Geometry"

Thursday, September 28, 2017 — 1:30 PM EDT

Fan Ge, Pure Mathematics, University of Waterloo

"The number of zeros of $\zeta'(s)$

Tuesday, September 26, 2017 — 4:00 PM EDT

Remi Jaoui, Department of Pure Mathematics, University of Waterloo

"On the model theory of geodesic differential equations II"

Geodesic differential equations form a classical family of differential equations, describing the free movement of a particle in a curved space. The purpose of this talk, divided in two parts, is to describe the possible model-theoretic behavior of such differential equations when the space is compact with negative curvature.

Tuesday, September 26, 2017 — 2:30 PM EDT

Mohammad Mahmoud, Department of Pure Mathematics, University of Waterloo

"A Jump Inversion Theorem for Structures"

Tuesday, September 26, 2017 — 1:30 PM EDT

Nickolas Rollick, Pure Mathematics, University of Waterloo

"Message Re-Sheaved"

Friday, September 22, 2017 — 3:30 PM EDT

Chi-Kwong Li, College of William and Mary, and Institute for Quantum Computing, University of Waterloo (affiliate member)

"Numerical Ranges and Dilation"

In this talk,  we present some results concerning the use of numerical ranges to study dilation theory of operators. Connections of the study to quantum information science will be mentioned. Open problems will be discussed.

MC 5417

Thursday, September 21, 2017 — 3:30 PM EDT

Matthew Harrison-Trainor, Department of Pure Mathematics, University of Waterloo

"Some Computable Structure Theory of Finitely Generated Structures"

Thursday, September 21, 2017 — 1:30 PM EDT

Achim Kempf, Department of Applied Mathematics, University of Waterloo

"Amplified foreshadowing of jumping champions"

Tuesday, September 19, 2017 — 4:00 PM EDT

Remi Jaoui, Department of Pure Mathematics, University of Waterloo

"On the model theory of geodesic differential equations I"

Geodesy is an old and well-established subject in mathematics. Given a smooth manifold $S$ embedded in the Euclidean space $\mathbb R^n$ and two points on $S$, the main question is to determine the shortest path (geodesic) drawn on $S$ joining these two points.

Tuesday, September 19, 2017 — 2:30 PM EDT

Mohammad Mahmoud, Department of Pure Mathematics, University of Waterloo

"The Jump of a Structure"

Given a structure $\mathcal{A}$, we define another structure $\mathcal{A}'$ (in a different language) which we call the jump of $\mathcal{A}$. The main idea from the definition is to have that the first jump degree spectrum of $\mathcal{A}$ is exactly the degree spectrum of $\mathcal{A}$.

Monday, September 18, 2017 — 4:00 PM EDT

Rasul Shafikov, Western University

"Polynomial and rational density on compact real manifolds"

I will discuss some recent results concerning approximation of continuous complex-valued functions on abstract compact real manifolds by polynomial and rational combinations of a certain number of smooth functions on them. Somewhat surprisingly, the proofs use deep ideas from complex analysis to symplectic topology.

MC 5501

Friday, September 15, 2017 — 3:30 PM EDT

Sascha Troscheit, Department of Pure Mathematics, University of Waterloo

"Random fractals, their dimensions and measures"

Thursday, September 14, 2017 — 1:30 PM EDT

Julia Brandes, Department of Pure Mathematics, University of Waterloo

"Optimal mean value estimates beyond Vinogradov's mean value theorem"

Tuesday, September 12, 2017 — 4:00 PM EDT

Ruizhang Jin, Department of Pure Mathematics, University of Waterloo

"Constructing Analyzable Types in Differentially Closed Fields with Logarithmic Derivatives"

Wednesday, September 6, 2017 — 1:00 PM EDT

All talks will take place in MC 5403.


13:00-14:00

Spectral flow and the Riesz stability of the Atiyah-Singer Dirac operator under bounded perturbations of local boundary conditions.

Lashi Bandara, Universität Potsdam

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