Fabián A. Chudak, Kiyohito Nagano. Efficient solutions to relaxations of combinatorial problems with submodular penalties via the Lovász extension and non-smooth convex optimization. In Nikhil Bansal, Kirk Pruhs, Clifford Stein, editors, Proceedings of the Eighteenth Annual ACM-SIAM Symposium on Discrete Algorithms, SODA 2007, New Orleans, Louisiana, USA, January 7-9, 2007. pages 79-88, SIAM, 2007. [doi]
Abstract is missing.