Prof. Boris Khesin (Department of Mathematics,
University of Toronto, Canada)
Title: Hamiltonian dynamics of vortex membranes
Abstract: We show that an approximation of the hydrodynamical Euler equation describes the skew-mean-curvature flow on vortex membranes in any dimension. This generalizes the classical binormal, or vortex filament, equation in 3D. We present a Hamiltonian framework for dynamics of higher-dimensional vortex filaments and vortex sheets as singular 2-forms (Green currents) with support of codimensions 2 and 1, respectively.
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