# Cancelled: TBA

## Speaker:

## Speaker Link:

## Institution:

## Time:

## Host:

## Location:

TBA

Shari Moskow

Drexel University

Friday, April 3, 2020 - 2:00pm to 2:50pm

TBA

TBA

John Sylvester

University of Washington

Friday, May 22, 2020 - 2:00pm to 2:50pm

TBA

TBA

Johannes Sjostrand

Université de Bourgogne

Friday, March 20, 2020 - 4:00pm to 4:50pm

RH 306

Hanming Zhou

UC Santa Barbara

Friday, April 10, 2020 - 2:00pm to 2:50pm

TBA

TBA

Gunther Uhlmann

University of Washington

Friday, March 13, 2020 - 4:00pm to 4:50pm

RH 306

We will describe some recent results on inverse problems for nonlinear equations.

Yimin Zhong

UCI

Friday, January 24, 2020 - 4:00pm to 4:50pm

RH 306

We investigate a hybrid inverse problem in fluorescence ultrasound modulated optical tomography (fUMOT) in the diffusive regime. We prove that the boundary measurement of the photon currents allows unique and stable reconstructions of the absorption coefficient of the fluorophores at the excitation frequency and the quantum efficiency coefficient simultaneously, provided that some background medium parameters are known. Reconstruction algorithms are proposed and numerically implemented as well.

Nikolas Eptaminitakis

University of Washington

Friday, February 7, 2020 - 4:00pm to 4:50pm

RH 306

Asymptotically hyperbolic manifolds are a class of non-compact, complete manifolds whose behavior near infinity resembles in many ways that of hyperbolic space. In part due to the behavior of geodesics and their infinite length, and the fact that those spaces have infinite volume, the study of the geodesic X-ray transform becomes particularly interesting and challenging. In this talk we will discuss the problem of injectivity of the geodesic X-ray transform on asymptotically hyperbolic manifolds, identify the issues induced by the geometry, and present some progress in extending to this setting the celebrated local injectivity result proved by Uhlmann and Vasy on compact manifolds with boundary. Joint work with Robin Graham.