1. Axelsson, O.: Iterative Solution Methods. Cambridge University Press, Cambridge (1994)
2. Brenner, S.C.: The condition number of the Schur complement in domain decomposition. Numer. Math. 83, 187–203 (1999)
3. Brzobohatý, T., Jarošová, M., Kozubek, T., Menšík, M., Markopoulos, A.: The hybrid total FETI method, Proceedings of the Third International Conference on Parallel, Distributed, Grid, and Cloud Computing for Engineering Civil-Comp. (2013)
4. Dostál, Z.: Optimal Quadratic Programming Algorithms, SOIA 23, 1st edn. Springer, US, New York (2009)
5. Dostál, Z., Brzobohatý, T., Vlach, O.: Bounds on the spectra of Schur complements of large H-TFETI clusters for 3D Laplacian and huge problems, submitted