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摘要
In this paper we are interested in the asymptotic behavior of an incompressible fluid around a bounded obstacle. The problem is described by the stationary Navier-Stokes equations in an exterior domain in R-n with n >= 2. We will show that under some assumptions, any nontrivial velocity field obeys a minimal decaying rate exp(-Ct(2) log t) at infinity. Our proof is based on appropriate Carleman estimates.
- 出版日期2011
