1. S. Arora, J. Lee and A. Naor, Fréchet embeddings of negative type metrics. Discrete & Computational Geometry 38 (2007), 726–739.
2. S. Arora, S. Rao and U. Vazirani, Expander flows, geometric embeddings, and graph partitionings, in Proceedings of the 36th Annual ACM Symposium on Theory of Computing, ACM, New York, 2004, pp. 222–231.
3. K. Ball, Markov chains, Riesz transforms and Lipschitz maps, Geometric and Functional Analysis 2 (1992), 137–172.
4. J. Bourgain, A counterexample to a complementation problem, Compositio Mathematica 43 (1981), 133–144.
5. G. Calinescu, H. Karloff and Y. Rabani, Approximation algorithms for the 0-extension problem, in Proceedings of the Twelfth Annual ACM-SIAM Symposium on Discrete Algorithms (Washington, DC, 2001), SIAM, Philadelphia, PA, 2001, pp. 8–16.