@conference {SastryShontzVavasis, title = {A log-barrier method for mesh quality improvement}, booktitle = {Proceedings of 20th International Meshing Roundtable}, year = {2012}, note = { appeared in Proceedings of the 2011 International Meshing Roundtable. }, pages = {329-346}, publisher = {Springer}, organization = {Springer}, author = {S. Sastry and S. Shontz and S. Vavasis} }