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# Events for 08/30/2019 from all calendars

## Mathematical Physics and Harmonic Analysis Seminar

## Student/Postdoc Working Geometry Seminar

## Algebra and Combinatorics Seminar

## David Manuel Promotion Talk

**Time:** 1:50PM - 2:50PM

**Location:** BLOC 628

**Speaker:** P. Kuchment

**Title:** *CANCELLED*

**Abstract:** due to the funeral of Professor Michael Boshernitzan (Rice U.)

Analyticity of the spectrum and Dirichlet-to-Neumann operator technique for quantum graphs.

We establish the analytic structure of the spectrum of a quantum graph operator as a function of the vertex conditions and other parameters over the whole Grassmannian of possible vertex conditions.

We also discuss the Dirichlet-to-Neumann (DtN) technique of relating quantum and discrete graph operators, which allows one to transfer some results from the discrete to the quantum graph case, but which has issues at the Dirichlet spectrum. We conclude that this difficulty stems from the use of specific coordinates in a Grassmannian and can be easily avoided. Joint work with Jia Zhao (Hebei University of Technology, China)

**Time:** 2:00PM - 3:00PM

**Location:** BLOC 624

**Speaker:** J.M. Landsberg

**Title:** *Hay in a haystack for tensors*

**Abstract:** I will describe recent work with M. Michalek towards finding explicit tensors of high border rank.

**Time:** 3:00PM - 3:50PM

**Location:** BLOC 628

**Title:** *Organization Meeting*

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

**Location:** BLOC 117

**Speaker:** David Manuel, Texas A&M University

**Description:**

David Manuel. Preparing Graduate Students for the Classroom

In 2014, David became the Director of TA Training for the Department of Mathematics at Texas A&M. David will summarize the training which graduate students receive from the time they begin their PhD program to their final search for jobs in academia as graduation approaches. He will also discuss the impact the program has had on the department, how the program has evolved over the past five years, and his vision for preparing graduate students to teach in the 21st Century Classroom.

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