12 J. T. Vogelstein, J. M. Conroy, V. Lyzinski, L. J. Podrazik, S. G. Kratzer, E. T. Harley, D. E. Fishkind, R. J. Vogelstein, and C. E. Priebe. Fast Approximate Quadratic Programming for Large (Brain) Graph Matching. arXiv, 1112.5507, December 2011. #6
is now accepted at PLoS One. please update