Konstantin Makarychev, Yury Makarychev. Metric Extension Operators, Vertex Sparsifiers and Lipschitz Extendability. In 51th Annual IEEE Symposium on Foundations of Computer Science, FOCS 2010, October 23-26, 2010, Las Vegas, Nevada, USA. pages 255-264, IEEE Computer Society, 2010. [doi]
Abstract is missing.