Enhanced dissipation and Hörmander's hypoellipticity
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DOI: 10.1016/j.jfa.2022.109522
Abstract: We examine the phenomenon of enhanced dissipation from the perspective of Hörmander’s classical theory of second order hypoelliptic operators [31]. Consider a passive scalar in a shear flow, whose evolution is described by the advection–diffusion… read more here.
Keywords: dissipation rmander; shear; dissipation; rmander hypoellipticity ... See more keywords