Stationary vortex sheets and limits of polynomials
- đ¤ Speaker: Kevin O'Neil (The University of Tulsa)
- đ Date & Time: Thursday 31 October 2019, 16:00 - 17:00
- đ Venue: Seminar Room 1, Newton Institute
Abstract
Stationary distributions of vorticity in a two-dimensional fluid are considered where the vorticity support consists of points (point vortices) and curves (vortex sheets.) The flow in many cases is determined by a simple rational function. By comparing the vorticity distributions to point vortex configurations associated with polynomials, these distributions can be related other questions such as non-uniqueness of Heine-Stieltjes polynomials and to the asymptotics of some non-classical special cases of orthogonal polynomials.
Series This talk is part of the Isaac Newton Institute Seminar Series series.
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Kevin O'Neil (The University of Tulsa)
Thursday 31 October 2019, 16:00-17:00