%0 Journal Article %T Weighted norm inequalities, off-diagonal estimates and elliptic operators. Part IV: Riesz transforms on manifolds and weights %A Pascal Auscher %A Jos¨¦ Maria Martell %J Mathematics %D 2006 %I arXiv %X This is the fourth article of our series. Here, we study weighted norm inequalities for the Riesz transform of the Laplace-Beltrami operator on Riemannian manifolds and of subelliptic sum of squares on Lie groups, under the doubling volume property and Gaussian upper bounds. %U http://arxiv.org/abs/math/0603643v2