A sharp lower bound for the Hausdorff dimension of the global attractors of the 2D Navier-Stokes equations
β Scribed by Vincent Xiaosong Liu
- Publisher
- Springer
- Year
- 1993
- Tongue
- English
- Weight
- 474 KB
- Volume
- 158
- Category
- Article
- ISSN
- 0010-3616
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In this article we derive optimal upper bounds on the dimension of the attractor for the Navier-Stokes equations in twodimensional domains, these bounds fully agree with the lower bounds obtained by Babin and Vishik (1983) (see also Ghidaglia and Temam, and Liu (1993)). As in Babin and Vishik (1983)
We study the asymptotic behaviour of non-autonomous 2D Navier-Stokes equations in unbounded domains for which a PoincarΓ© inequality holds. In particular, we give sufficient conditions for their pullback attractor to have finite fractal dimension. The existence of pullback attractors in this framewor