College of Arts and Sciences

Date posted: March 23rd, 2017

Friday, March 31, 2017 (3:15 p.m. in Yost 306)

**Title:** Solution uncertainty quantification for differential equations

**Speaker:** Oksana Chkrebtii (Assistant Professor, The Ohio State University)

**Abstract: When models are defined implicitly by systems of differential equations without a closed form solution, small local errors in finite-dimensional solution approximations can propagate into large deviations from the true underlying state trajectory.** …Read more.

Date posted: March 20th, 2017

Friday, April 14, 2017 (3:15 p.m. in Yost 306)

**Title:** Tales of Random Projections

**Speaker:** Kavita Ramanan (Professor of Applied Mathematics and Chair of the Graduate Program, Brown University)

**Abstract: **The interplay between geometry and probability in high-dimensional spaces is a fascinating subject of active research. …Read more.

Date posted: March 20th, 2017

Tuesday, March 28, 2017 (3:00 p.m. in Yost 306)

**Title:** Remarks on the (B) conjecture

**Speaker:** Liran Rotem (Dunham Jackson Assistant Professor, University of Minnesota)

**Abstract: **The original (B) conjecture is a question regarding the Gaussian measure, asked by Banaszczyk and popularized by Latała. …Read more.

Date posted: March 20th, 2017

Wednesday, March 22, 2017 (2:00 p.m. in Yost 306)

**Title: **Modeling the appendix’s role in C. difficile infection

**Speaker:** Tejas Joshi (Case Western Reserve University)

**Advisor:** Wanda Strychalski (Assistant Professor, Case Western Reserve University)

**Abstract: **The appendix has been hypothesized to defend the colon against C. …Read more.

Date posted: March 20th, 2017

Friday, March 24, 2017 (11:00 a.m. in Yost 306)

**Title: **An inverse problem of cerebral hemodynamics in the Bayesian framework

**Student:** Jamie Prezioso

**Advisors:** Daniela Calvetti and Erkki Somersalo (Professors, Case Western Reserve University)

**Committee Members:** David Gurarie and Joseph LaManna

**Abstract: **The increased cerebral metabolic rate following neuronal activity triggers a rapid increase in cerebral blood flow (CBF), a phenomenon that is at the base of several functional imaging modalities, e.g., optical diffusion tomography and BOLD-fMRI. …Read more.

Date posted: March 20th, 2017

Tuesday, March 21, 2017 (4:15 p.m. in Yost 306)

**Title: **Fourier Based Method for Simultaneous Segmentation and Nonlinear Image Registration

**Student:** Thomas Atta-Fosu

**Advisor:** Weihong Guo (Associate Professor, Case Western Reserve University)

**Committee Members:** Daniela Calvetti, Erkki Somersalo, Julia Dobrosotskaya, and Michael Lewicki

**Abstract: **Image segmentation and registration play active roles in machine vision and medical image analysis of historical data. …Read more.

Date posted: March 2nd, 2017

Wednesday, March 8, 2017 (1:30 p.m. in Yost 306)

**Title: **Dimension reduction for stochastic oscillators: Investigating competing generalizations of phase and isochrons

**Speaker:** Alexander Cao (Case Western Reserve University)

**Advisor:** Peter Thomas (Associate Professor, Case Western Reserve University)

**Abstract: **A stable, finite-period limit cycle in a deterministic system has a set of Poincaré sections with two properties: all trajectories with initial conditions on a given leaf (i) converge to a common trajectory on the limit cycle and (ii) pass through the same leaf after an interval equalling one period. …Read more.

Date posted: March 2nd, 2017

Tuesday, March 7, 2017 (3:00 p.m. in Yost 306)

**Title:** The affine surface area in Euclidean convex geometry and beyond

**Speaker:** Florian Besau (Postdoctoral Researcher, Goethe University Frankfurt)

**Abstract: **Loosely speaking we can describe Euclidean convex geometry as the study of “natural” functions on convex bodies (e.g. …Read more.

Date posted: February 23rd, 2017

CWRU alumnus Geoff Wedig was honored with an Academy Award for Scientific and Technical Achievement in a ceremony held on February 11, 2017. Wedig, who completed a BS in Mathematics and a BA English at CWRU in 1994 and an MS in Computer Engineering at UCLA in 1995, also worked at the university as a Senior Software Developer for 12 years before making a career change to computer animation in 2007. …Read more.

Date posted: February 20th, 2017

Tuesday, April 4, 2017 (3:00 p.m. in Yost 306)

**Title:** Reconstructing polytopes from projections or sections

**Speaker:** Sergii Myroshnychenko (Graduate Student, Kent State University)

**Abstract: **We are going to discuss one of the open problems of geometric tomography about projections. …Read more.

Date posted: February 15th, 2017

Friday, March 24, 2017 (3:15 p.m. in Yost 306)

**Title: **Cell-based modelling of epithelial tissue dynamics

**Speaker:** Alexander Fletcher (Vice-Chancellor’s Fellow, University of Sheffield)

**Abstract: **The dynamic behaviour of epithelial tissues plays a central role during development. …Read more.

Date posted: February 14th, 2017

Tuesday, February 21, 2017 (3:00 p.m. in Yost 306)

**Title:** Dual curvature measures and the dual Minkowski problem

**Speaker:** Yiming Zhao (Adjunct Instructor, New York University)

**Abstract:** In this talk, dual curvature measures (see [Huang, Lutwak, Yang, Zhang; ACTA, 2016]) in the dual Brunn-Minkowski theory will be introduced. …Read more.

Page last modified: February 14, 2017