We prove that, for , the operator generates an analytic semigroup in if and or and or and . The above bounds are shown to be sharp.
Cite this article
Giorgio Metafune, Chiara Spina, A degenerate elliptic operator with unbounded diffusion coefficients. Atti Accad. Naz. Lincei Cl. Sci. Fis. Mat. Natur. 25 (2014), no. 2, pp. 109–140DOI 10.4171/RLM/670