Frédéric Chazal, André Lieutier. Stability and homotopy of a subset of the medial axis. In Gershon Elber, Nicholas M. Patrikalakis, Pere Brunet, editors, Proceedings of the Ninth ACM Symposium on Solid Modeling and Applications, Genova, Italy, June 09-11, 2004. pages 243-248, ACM, 2004. [doi]
Abstract is missing.