Blowup of Smooth Solutions to the Navier-Stokes Equations for Compressible Isothermal Fluids

Abstract

It is shown that the one-dimensional or two-dimensional radially symmetric isothermal compressible Navier-Stokes system has no non-trivial global smooth solutions if the initial density is compactly supported. This result is a generalization of Xin's work Xin98 to the isothermal case.

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