The talk Localization of $W^{-1,q}$ norm for local a posteriori efficiency, by Jan Blechta, will be held on Monday April 4, 2016 at 9:00 in room K6. Abstract We show how to localize dual norms of bounded linear functionals on the Sobolev space $W_0^{1,p}(\Omega)$. The only condition is that the functional in question vanishes over locally supported test functions from $W_0^{1,p}(\Omega)$ which ...