Gravvanis, G. A.; Filelis-Papadopoulos, C. K.; Giannoutakis, K. M.; Lipitakis, E. A. A note on parallel finite difference approximate inverse preconditioning on multicore systems using POSIX threads. (English) Zbl 1359.65232 Int. J. Comput. Methods 10, No. 5, Article ID 1350032, 22 p. (2013). MSC: 65N06 65Y05 65Y10 65F50 65N22 PDFBibTeX XMLCite \textit{G. A. Gravvanis} et al., Int. J. Comput. Methods 10, No. 5, Article ID 1350032, 22 p. (2013; Zbl 1359.65232) Full Text: DOI
Gravvanis, G. A.; Giannoutakis, K. M. Finite element approximate inverse preconditioning for solving 3D biharmonic problems on shared memory systems. (English) Zbl 1231.65064 CMES, Comput. Model. Eng. Sci. 71, No. 4, 305-330 (2011). MSC: 65F08 65F50 65N22 65N30 PDFBibTeX XMLCite \textit{G. A. Gravvanis} and \textit{K. M. Giannoutakis}, CMES, Comput. Model. Eng. Sci. 71, No. 4, 305--330 (2011; Zbl 1231.65064) Full Text: DOI
Filelis-Papadopoulos, C. K.; Gravvanis, G. A.; Matskanidis, P. I.; Giannoutakis, K. M. On the GPGPU parallelization issues of finite element approximate inverse preconditioning. (English) Zbl 1228.65043 J. Comput. Appl. Math. 236, No. 3, 294-307 (2011). MSC: 65F08 35J25 65N30 65Y05 65F50 65F10 PDFBibTeX XMLCite \textit{C. K. Filelis-Papadopoulos} et al., J. Comput. Appl. Math. 236, No. 3, 294--307 (2011; Zbl 1228.65043) Full Text: DOI
Gravvanis, G. A.; Giannoutakis, K. M. Fast parallel finite element approximate inverses. (English) Zbl 1232.65053 CMES, Comput. Model. Eng. Sci. 32, No. 1, 35-44 (2008). MSC: 65F10 65-04 65Y05 PDFBibTeX XMLCite \textit{G. A. Gravvanis} and \textit{K. M. Giannoutakis}, CMES, Comput. Model. Eng. Sci. 32, No. 1, 35--44 (2008; Zbl 1232.65053) Full Text: DOI
Gravvanis, George A.; Epitropou, Victor N.; Giannoutakis, Konstantinos M. On the performance of parallel approximate inverse preconditioning using Java multithreading techniques. (English) Zbl 1122.65320 Appl. Math. Comput. 190, No. 1, 255-270 (2007). MSC: 65F35 65F50 65Y05 65Y10 65F10 PDFBibTeX XMLCite \textit{G. A. Gravvanis} et al., Appl. Math. Comput. 190, No. 1, 255--270 (2007; Zbl 1122.65320) Full Text: DOI
Giannoutakis, Konstantinos M.; Gravvanis, George A. Fast normalized approximate inverse preconditiong for solving non-linear finite element systems. (English) Zbl 1154.65321 Neural Parallel Sci. Comput. 14, No. 2-3, 205-224 (2006). MSC: 65F35 35J65 65N30 65H10 PDFBibTeX XMLCite \textit{K. M. Giannoutakis} and \textit{G. A. Gravvanis}, Neural Parallel Sci. Comput. 14, No. 2--3, 205--224 (2006; Zbl 1154.65321)
Gravvanis, George A.; Giannoutakis, Konstantinos M. Normalized explicit approximate inverse preconditioning for solving 3D boundary value problems on uniprocessor and distributed systems. (English) Zbl 1109.65039 Int. J. Numer. Methods Eng. 65, No. 1, 84-110 (2006). MSC: 65F35 65F50 65Y05 65N06 35J25 65Y20 65F10 65N12 PDFBibTeX XMLCite \textit{G. A. Gravvanis} and \textit{K. M. Giannoutakis}, Int. J. Numer. Methods Eng. 65, No. 1, 84--110 (2006; Zbl 1109.65039) Full Text: DOI
Gravvanis, George A.; Giannoutakis, Konstantinos M. On the rate of convergence and complexity of normalized implicit preconditioning for solving finite difference equations in three space variables. (English) Zbl 1083.65102 Int. J. Comput. Methods 1, No. 2, 367-386 (2004). Reviewer: Leonid B. Chubarov (Novosibirsk) MSC: 65N12 65F05 65F35 65F50 65N06 35J25 PDFBibTeX XMLCite \textit{G. A. Gravvanis} and \textit{K. M. Giannoutakis}, Int. J. Comput. Methods 1, No. 2, 367--386 (2004; Zbl 1083.65102) Full Text: DOI
Gravvanis, G. A.; Giannoutakis, K. M.; Bekakos, M. P.; Efremides, O. B. Parallel and systolic solution of normalized explicit approximate inverse preconditioning. (English) Zbl 1074.65037 J. Supercomput. 30, No. 2, 77-96 (2004). MSC: 65F10 65F50 65N06 65Y05 65Y20 35J25 65F35 PDFBibTeX XMLCite \textit{G. A. Gravvanis} et al., J. Supercomput. 30, No. 2, 77--96 (2004; Zbl 1074.65037) Full Text: DOI
Gravvanis, G. A.; Giannoutakis, K. M.; Missirlis, N. M. A distributed normalized explicit preconditioned conjugate gradient method. (English) Zbl 1091.65031 Parallel Algorithms Appl. 19, No. 2-3, 163-174 (2004). MSC: 65F10 65Y05 65F35 35J25 65N06 PDFBibTeX XMLCite \textit{G. A. Gravvanis} et al., Parallel Algorithms Appl. 19, No. 2--3, 163--174 (2004; Zbl 1091.65031) Full Text: DOI
Gravvanis, George A.; Giannoutakis, Konstantinos M. Normalized explicit finite element approximate inverses. (English) Zbl 1045.65102 Int. J. Differ. Equ. Appl. 6, No. 3, 253-267 (2002). MSC: 65N30 65F35 35J25 65F10 65F50 65Y05 PDFBibTeX XMLCite \textit{G. A. Gravvanis} and \textit{K. M. Giannoutakis}, Int. J. Differ. Equ. Appl. 6, No. 3, 253--267 (2002; Zbl 1045.65102)