Numerical analysis and applied mathematics:ICNAAM 2011, International Conference on Numerical Analysis and Applied Mathematics, Halkidiki, Greece, 19-25 September 2011 / editor, Theodore E. Simos ; co-editors, George Psihoyios, Ch. Tsitouras, Zacharias Anastassi ; sponsoring organizations, European Society of Computational Methods in Sciences and Engineering, the R.M. Santilli Foundation.