%0 Journal Article %T An explicit Koppelman formula for $dd^c$ and Green currents on $\mathcal P^n$ %A Mats Andersson %J Mathematics %D 2010 %I arXiv %X We compute a quite explicit Koppelman formula for $dd^c$ on projective space, and obtain Green currents for positive closed currents. %U http://arxiv.org/abs/1003.2948v1