Abstract
We prove that if u is a weak solution of the d dimensional fractional Navier-Stokes equations for some initial data u 0, and if u belongs to path space P = L q(0, T;B r p,∞ ) or P = L 1(0, T;B 1∞∞ ), then u is unique in the class of weak solutions whenα > 1. The main tools are Bony decomposition and Fourier localization technique. The results generalize and improve many recent known results.
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Ding, Y., Sun, X. Uniqueness of weak solutions for fractional Navier-Stokes equations. Front. Math. China 10, 33–51 (2015). https://doi.org/10.1007/s11464-014-0370-x
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DOI: https://doi.org/10.1007/s11464-014-0370-x