%0 Journal Article %T Random Homogenization of Fractional Obstacle Problems %A L. A. Caffarelli %A A. Mellet %J Mathematics %D 2007 %I arXiv %X We use a characterization of the fractional Laplacian as a Dirichlet to Neumann operator for an appropriate differential equation to study its obstacle problem in perforated domains. %U http://arxiv.org/abs/0711.2266v1