Quantitative strong unique continuation for the Lam�� system with less regular coefficients

In this paper we prove a quantitative form of the strong unique continuation property for the Lam�� system when the Lam�� coefficients $��$ is Lipschitz and $��$ is essentially bounded in dimension $n\ge 2$. This result is an improvement of our earlier result \cite{lin5} in which both $��$ and $��$ were assumed to be Lipschitz.
10 pages