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Texas A&M University
Mathematics

Promotion Talk - Professor Anne Shiu

Date: September 13, 2018

Time: 4:00PM - 5:00PM

Location: BLOC 220

Speaker: Professor Anne Shiu, Texas A&M University

  

Description:

TITLE: Dynamics of biochemical reaction systems

ABSTRACT:
Reaction networks taken with mass-action kinetics arise in many settings, from epidemiology to population biology to systems of chemical reactions. This talk focuses on certain biological signaling networks, namely, phosphorylation networks, and their resulting dynamical systems. For many of these systems, the set of steady states admits a rational parametrization (that is, the set is the image of a map with rational-function coordinates). We describe how such a parametrization allows us to investigate the dynamics, including the emergence of bistability in a network underlying ERK regulation, and the capacity for oscillations in a mixed processive/distributive phosphorylation network.