@article{10_2140_agt_2014_14_283, author = {Walsh, Genevieve S}, title = {The bumping set and the characteristic submanifold}, journal = {Algebraic and Geometric Topology}, pages = {283--297}, year = {2014}, volume = {14}, number = {1}, doi = {10.2140/agt.2014.14.283}, url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2014.14.283/} }