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SUMMARY:AMS Weekly Seminar w/ Evelyn Sander (George Mason University) @ Shaffer 303 or Zoom
DESCRIPTION:Title: Rigorous bifurcation methods for diblock and triblock copolymer models \nAbstract: The Ohta-Kawasaki copolymer model exhibits a rich equilibrium bifurcation structure. In this talk\, I will describe computer-assisted proof methods computer-assisted proof technique for bounding the norm of the inverses of certain fourth-order elliptic operators\, in combination with an application of a constructive version of the implicit function theorem. To illustrate these methods\, I will show how they can be used to validate equilibrium solutions in triblock copolymers\, as well as how to validate symmetry breaking pitchfork bifurcations in diblock copolymers for solutions with cyclic symmetry higher than $\mathbb{Z}_2$. \nThis work is joint with Thomas Wanner and Peter Rizzi. \nJoin via Zoom link: https://wse.zoom.us/j/95738965246 \n
URL:https://engineering.jhu.edu/ams/event/ams-weekly-seminar-w-evelyn-sander-george-mason-university-shaffer-303-or-zoom/
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