%0 Journal Article %T Knots, sutures and excision %A P. B. Kronheimer %A T. S. Mrowka %J Mathematics %D 2008 %I arXiv %X We develop monopole and instanton Floer homology groups for balanced sutured manifolds. Applications include a new proof of Property P for knots. %U http://arxiv.org/abs/0807.4891v2