%0 Journal Article %T $C^k$-smooth approximations of LUR norms %A Petr Hajek %A Antonin Prochazka %J Mathematics %D 2009 %I arXiv %X Let $X$ be a WCG Banach space admitting a $C^k$-Fr\' echet smooth norm. Then $X$ admits an equivalent norm which is simultaneously $C^1$-Fr\' echet smooth, LUR, and a uniform limit of $C^k$-Fr\' echet smooth norms. If $X=C([0,\alpha])$, where $\alpha$ is an ordinal, then the same conclusion holds true with $k=\infty$. %U http://arxiv.org/abs/0901.3623v1