Corrigendum and Improvements to “Carleman Estimates, Observability Inequalities and Null Controllability for Interior Degenerate Nonsmooth Parabolic Equations” and Its Consequences

Abstract

This paper is a corrigendum of one hypothesis introduced in Mem. Amer. Math. Soc. 242 (2016), no. 1146, and used again in J. Differential Equations 260 (2016), pp. 1314-1371 and Adv. Nonlinear Anal. 6 (2017), pp. 61-84]. We give here the corrected proofs of the concerned results, improving most of them.