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We prove that there are no nonzero uniformly subsonic potential flows aroundbodies with three or more protruding corners, for piecewise analytic boundaryand for equation of state a $\gamma$-law with $\gamma>1$. This generalizes anearlier result limited to the low-Mach limit for nondegenerate polygons. Forincompressible flows we show the velocity cannot be globally bounded.

Piecewise analytic bodies in subsonic potential flow