2012/09/10 by Crispo, Francesca, Maremonti, Paolo
#Analysis of PDEs (math.AP) #FOS: Mathematics
paper · doi:10.48550/arxiv.1209.1957
This paper has been withdrawn by the authors due to a mistake in the proof of the chief result. In particular Theorem 1.3 is correct, while Theorem 1.1 and Theorem 1.2 hold with μ>0 and a suitable restriction on the exponent p. The proof of the modified statements is slightly different.