Stephen W. Drury, Sébastien Loisel. Sharp Condition Number Estimates for the Symmetric 2-Lagrange Multiplier Method. In Randolph E. Bank, Michael J. Holst, Olof B. Widlund, Jinchao Xu, editors, Domain Decomposition Methods in Science and Engineering XX. Volume 91 of Lecture Notes in Computational Science and Engineering, pages 255-261, Springer, 2013. [doi]
Abstract is missing.