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# Events for 02/03/2020 from all calendars

## IAMCS Seminar

## Geometry Seminar

## Student Working Seminar in Groups and Dynamics

## Working Seminar on Quantum Computation and Quantum Information

## Students Working Seminar in Number Theory

## Spectral Theory Reading Seminar

**Time:** 09:30AM - 5:00PM

**Location:** Bloc 220

**Speaker:** various, various

**Title:** *Computational Methods for New Directions in Inverse Problems*

**URL:** *Link*

**Time:** 3:00PM - 4:00PM

**Location:** BLOC 628

**Speaker:** G. Pearlstein, TAMU

**Title:** *Differential Geometry of the Mixed Hodge Metric*

**Abstract:** We will discuss joint work with Chris Peters on canonical metrics attached to the period maps of families of complex algebraic varieties, with the goal of proving rigidity results for such families.

**Time:** 3:00PM - 4:00PM

**Location:** BLOC 111

**Speaker:** Cosmas Kravaris

**Title:** *On the Finiteness of the Cone Types of finitely generated Abelian Groups*

**Abstract:** In 1980, Cannon defined the notion of a Cone Type for Cayley graphs of finitely generated groups and used it to show that hyperbolic groups have rational growth series. It is an open question which groups have finitely many cone types. In my talk, I will show that the Cayley graph of a finitely generated Abelian Group has finitely many cone types for any generating set.

**Time:** 3:30PM - 4:30PM

**Location:** BLOC 506A

**Speaker:** John Weeks, TAMU MATH

**Title:** *Quantum Circuit Model*

**Time:** 4:00PM - 5:00PM

**Location:** Bloc 605AX

**Speaker:** Jiakun Pan, Texas A&M University

**Title:** *Eisenstein series attached to cusps*

**Abstract:** Continuing the last talk, I will introduce singularity of cusps and Eisenstein series attached to them. For application, I will also show how to perform regularized integrals of products of Eisenstein series.

**Time:** 4:10PM - 5:00PM

**Location:** BLOC 624

**Speaker:** Burak Hatinoglu, Texas A&M University

**Title:** *Quantitative continuity of spectral gap estimates*

**Abstract:** In this talk, I will present Section 7 of "On the Measure of the Spectrum for the Almost Mathieu Operator" by J. Avron1, P. H. M. v. Mouche, and B. Simon. More precisely, I will show that the spectrum of quasi-periodic operators is 1/2 Holder continuous with respect to the frequency.

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