Selected papers from ICNAAM 2007 and ICCMSE 2007 special presentations at the International Conference on Numerical Analysis and Applied Mathematics 2007 held in Corfu, Greece on 16-20 September 2007 and at the International Conference on Computational Methods in Science and Engineering 2007 held in Corfu, Greece, 25-30 September 2007 - Maroulis, Georges; Σίμος, Θεόδωρος Η.; Ψυχογιός, Γιώργος; Τσίτουρας, Χαράλαμπος (American Institute of Physics, 2008)