College of Arts and Sciences

Date posted: July 22nd, 2015

Tuesday, August 4, 2015 (2:00 p.m. in Yost 306)

**Title: **Stabilization of Rotor-Dynamic Vibrations by Means of Additive, Stochastic Noise

**Speaker:** Tyler Aust (Case Western Reserve University)

**Advisor:** Wojbor Woyczynski (Professor, Case Western Reserve University)

**Abstract: **Throughout the energy industry, rotating equipment serves a vital role. …Read more.

Date posted: July 15th, 2015

Monday, August 3, 2015 (10:00 a.m. in Yost 306)

**Title: **Channel Noise And Firing Irregularity In Hybrid Markov Models Of The Morris-Lecar Neuron

**Speaker:** Casey Bennett (Case Western Reserve University)

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

**Abstract: **Using a stochastic version of the Morris-Lecar model neuron, a scaling method is introduced in which the ODE that propagates voltage is invariant, but the underlying Markov chain which controls the discrete channel states converges to progressively simpler stochastic descriptions. …Read more.

Date posted: May 7th, 2015

Thursday, May 7, 2015 (2:00 p.m. in Yost 335)

**Title:** On the Perimeter of a Convex Set

**Speaker:** Galyna Livshyts (Ph.D. Student, Kent State University)

**Abstract:** The perimeter of a convex set in R^n with respect to a given measure is the measure’s density averaged against the surface measure of the set. …Read more.

Date posted: May 6th, 2015

Thursday, May 7, 2015 (12:30 p.m. in Yost 306)

**Title: **Parameter Determination for a Channelized Hotelling Detectability Experiment

**Speaker:** Zhengyi Liu (Case Western Reserve University)

**Advisor:** Steven Izen (Professor, Case Western Reserve University)

**Abstract: **In CT scanning it is desirable to quantify when an object can be detected among a noisy background. …Read more.

Date posted: May 4th, 2015

Tuesday, May 5, 2015 (4:00 p.m. in Yost 306)

**Title: **Overdispersion of Regression Models

**Speaker:** Feng Jin (Case Western Reserve University)

**Advisor:** Danhong Song (Lecturer, Case Western Reserve University)

**Abstract: **Overdispersion in Poisson models occurs when the response variance is greater than the mean. …Read more.

Date posted: April 27th, 2015

Wednesday, April 29, 2015 (11:00 a.m. in Yost 306)

**Title: **Bregman Operator Splitting with Variable Step Size for TGV based Multi-Channel MRI Reconstruction

**Speaker:** Benjamin Cowen (Case Western Reserve University)

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

**Abstract: **We present fast algorithm for total generalized variation (TGV) based image reconstruction of magnetic resonance images collected by a technique known as partial parallel imaging (PPI). …Read more.

Date posted: April 14th, 2015

Monday, April 27, 2015 (3:15 p.m. in Yost 306)

**Title: **Dynamics of Neurons and Field Potentials in the Auditory Brainstem

**Speaker:** Joshua Goldwyn (Visiting Assistant Professor, Ohio State University)

**Abstract: **Neurons in the medial superior olive (MSO) are temporally precise coincidence detectors that support our ability to localize sound sources. …Read more.

Date posted: April 14th, 2015

Monday, April 20, 2015 (3:15 p.m. in Yost 306)

**Title: **The Role of Long Range Coupling in the Crayfish Swimmeret System

**Speaker:** Lucy Spardy (Postdoctoral Fellow, Mathematical Biosciences Institute, Ohio State University)

**Abstract: **The crayfish swimmeret system provides an ideal model for studying coordinated limb activity. …Read more.

Date posted: April 6th, 2015

Monday, April 13, 2015 (3:15 p.m. in Yost 306)

**Title: **Data-Driven Modeling of Living Fluids

**Speaker:** M. Gregory Forest

Grant Dahlstrom Distinguished Professor

Departments of Mathematics & Biomedical Engineering

Director, Carolina Center for Interdisciplinary Applied Mathematics

University of North Carolina at Chapel Hill

**Abstract: **I will talk about mathematical modeling of three fluid systems: living yeast cells, living mammalian cells, and mucus. …Read more.

Date posted: April 6th, 2015

Monday, April 13, 2015 (3:15 p.m. in Yost 306)

**Title: **Data-Driven Modeling of Living Fluids

**Speaker:** M. Gregory Forest

Grant Dahlstrom Distinguished Professor

Departments of Mathematics & Biomedical Engineering

Director, Carolina Center for Interdisciplinary Applied Mathematics

University of North Carolina at Chapel Hill

**Abstract: **I will talk about mathematical modeling of three fluid systems: living yeast cells, living mammalian cells, and mucus. …Read more.

Date posted: April 6th, 2015

Friday, April 10, 2015 (1:00 p.m. in Yost 306)

**Title:** Banded Matrices and Fast Inverses

**Speaker:** Gilbert Strang (Professor of Mathematics, MIT)

**Abstract:** The inverse of a banded matrix A has a special form with low rank submatrices except at the main diagonal. …Read more.

Date posted: April 2nd, 2015

Friday, April 10, 2015 (3:00 p.m. in Yost 306)

**Title: **From the Jones Polynomial to Khovanov Homotopy

**Speaker:** Robert Lipschitz (Associate Professor, Columbia University Department of Mathematics)

**Abstract: **We will start by introducing some basic questions in knot theory. …Read more.