Asymptotic solutions of Navier-Stokes equations and topological invariants of vector fields and Liouville foliations

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作者
V. P. Maslov
A. I. Shafarevich
机构
[1] Higher School of Economics,
[2] Lomonosov Moscow State University,undefined
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hydrodynamic equation; localized vortex; topology of Liouville foliations;
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摘要
We construct asymptotic solutions of the Navier-Stokes equations. Such solutions describe periodic systems of localized vortices and are related to topological invariants of divergence-free vector fields on two-dimensional cylinders or tori and to the Fomenko invariants of Liouville foliations. The equations describing the evolution of a vortex system are given on a graph that is a set of trajectories of the divergence-free field or a set of Liouville tori.
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页码:967 / 982
页数:15
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