%0 Journal Article %T Canonical measures and Kahler-Ricci flow %A Jian Song %A Gang Tian %J Mathematics %D 2008 %I arXiv %X We show that the Kahler-Ricci flow on an algebraic manifold of positive Kodaira dimension and semi-ample canonical line bundle converges to a unique canonical metric on its canonical model. It is also shown that there exists a canonical measure of analytic Zariski decomposition on an algebraic manifold of positive Kodaira dimension. Such a canonical measure is unique and invariant under birational transformations under the assumption of the finite generation of canonical rings. %U http://arxiv.org/abs/0802.2570v1