George A. Gravvanis

123 papers A 1C 8Misc 9Journal 70Unranked 25
YearRankTypeTitle / Venue / Authors
2026 J jnl
Parallel sparsity patterns for factored incomplete inverse matrices.
J. Comput. Sci.
Christos K. Filelis-Papadopoulos, George A. Gravvanis
2024 J jnl
Sparse Approximate Pseudoinverse Preconditioning for Sparse Supervised Learning Problems with More Features than Samples.
Int. J. Artif. Intell. Tools
Anastasia-Dimitra Lipitakis, George A. Gravvanis, Christos K. Filelis-Papadopoulos, Sotiris Kotsiantis, Dimosthenis Anagnostopoulos
2023 J jnl
A generic sparse regression imputation method for time series and tabular data.
Knowl. Based Syst.
Athanasios I. Salamanis, George A. Gravvanis, Sotiris Kotsiantis, Konstantinos M. Giannoutakis
2023 J jnl
Novel Sparse Feature Regression Method for Traffic Forecasting.
Int. J. Artif. Intell. Tools
Athanasios I. Salamanis, George A. Gravvanis, Sotiris B. Kotsiantis, Michael N. Vrahatis
2022 J jnl
Rotation forest of random subspace models.
Intell. Decis. Technol.
Stamatios-Aggelos N. Alexandropoulos, Christos K. Aridas, Sotiris B. Kotsiantis, George A. Gravvanis, Michael N. Vrahatis
2021 J jnl
An adaptive cluster-based sparse autoregressive model for large-scale multi-step traffic forecasting.
Expert Syst. Appl.
Athanasios I. Salamanis, Anastasia-Dimitra Lipitakis, George A. Gravvanis, Sotiris Kotsiantis, Dimosthenis Anagnostopoulos
2021 J jnl
Evaluation of self-organizing and self-managing heterogeneous high performance computing clouds through discrete-time simulation.
Concurr. Comput. Pract. Exp.
Konstantinos M. Giannoutakis, Christos K. Filelis-Papadopoulos, George A. Gravvanis, Dimitrios Tzovaras
2021 J jnl
On the Optimization of Self-Organization and Self-Management Hardware Resource Allocation for Heterogeneous Clouds.
Comput.
Konstantinos M. Giannoutakis, Christos K. Filelis-Papadopoulos, George A. Gravvanis, Dimitrios Tzovaras
2020 J jnl
A note on parallel approximate pseudoinverse matrix techniques for solving linear least squares problems.
J. Comput. Sci.
Anastasia-Dimitra Lipitakis, Christos K. Filelis-Papadopoulos, George A. Gravvanis, Dimosthenis Anagnostopoulos
2020 — conf
An Efficient Method for Accelerating Training of Short-Term Traffic Prediction Models in Large-Scale Traffic Networks.
PCI
Athanasios I. Salamanis, George A. Gravvanis, Christos K. Filelis-Papadopoulos, Dimitrios Tzovaras
2020 — conf
Benchmark Comparison of Methods for Approximate Neighborhood Estimation of Road Segments in Large-Scale Traffic Networks.
PCI
Athanasios I. Salamanis, George A. Gravvanis, Christos K. Filelis-Papadopoulos, Dimitrios Michail
2020 J jnl
Hybrid multi-projection method using sparse approximate inverses on GPU clusters.
Int. J. High Perform. Comput. Appl.
Byron E. Moutafis, George A. Gravvanis, Christos K. Filelis-Papadopoulos
2020 J jnl
On the design of two-stage multiprojection methods for distributed memory systems.
J. Supercomput.
Byron E. Moutafis, George A. Gravvanis, C. K. Filelis-Papadopoulos
2020 — ch.
The Variability of the Reasons for Student Dropout in Distance Learning and the Prediction of Dropout-Prone Students.
Machine Learning Paradigms
Christos Pierrakeas, Giannis Koutsonikos, Anastasia-Dimitra Lipitakis, Sotiris Kotsiantis, Michalis Xenos, George A. Gravvanis
2020 J jnl
Towards simulation and optimization of cache placement on large virtual content distribution networks.
J. Comput. Sci.
Christos K. Filelis-Papadopoulos, Patricia Takako Endo, Malika Bendechache, Sergej Svorobej, Konstantinos M. Giannoutakis, George A. Gravvanis, Dimitrios Tzovaras, James Byrne, Theo Lynn
2019 J jnl
A parallel unified transform solver based on domain decomposition for solving linear elliptic PDEs.
J. Supercomput.
Eleftherios-Nektarios G. Grylonakis, George A. Gravvanis, Christos K. Filelis-Papadopoulos, Athanassios S. Fokas
2019 — ch.
Advanced Parametric Methods for Short-Term Traffic Forecasting in the Era of Big Data.
Machine Learning Paradigms
George A. Gravvanis, Athanasios I. Salamanis, Christos K. Filelis-Papadopoulos
2019 J jnl
An iterative spatial-stepping numerical method for linear elliptic PDEs using the Unified Transform.
J. Comput. Appl. Math.
Eleftherios-Nektarios G. Grylonakis, Christos K. Filelis-Papadopoulos, George A. Gravvanis, Athanassios S. Fokas
2019 C conf
Analyzing resource distribution over a real-world large-scale virtual content infrastructure.
ISCC
Patricia Takako Endo, James Byrne, Theo Lynn, Radhika Loomba, Ruth Quinn, Christos K. Filelis-Papadopoulos, Konstantinos M. Giannoutakis, George A. Gravvanis, Dimitrios Tzovaras, Peter Willis, Sergej Svorobej
2019 J jnl
Distributed algebraic tearing and interconnecting techniques.
Numer. Algorithms
N. A. Tselepidis, Christos K. Filelis-Papadopoulos, George A. Gravvanis
2019 J jnl
Simulating Fog and Edge Computing Scenarios: An Overview and Research Challenges.
Future Internet
Sergej Svorobej, Patricia Takako Endo, Malika Bendechache, Christos K. Filelis-Papadopoulos, Konstantinos M. Giannoutakis, George A. Gravvanis, Dimitrios Tzovaras, James Byrne, Theo Lynn
2019 J jnl
Simulating large vCDN networks: A parallel approach.
Simul. Model. Pract. Theory
Christos K. Filelis-Papadopoulos, Konstantinos M. Giannoutakis, George A. Gravvanis, Patricia Takako Endo, Dimitrios Tzovaras, Sergej Svorobej, Theo Lynn
2018 J jnl
A Hybrid Method for Solving Inhomogeneous Elliptic PDEs Based on Fokas Method.
Comput. Methods Appl. Math.
Eleftherios-Nektarios G. Grylonakis, Christos K. Filelis-Papadopoulos, George A. Gravvanis
2018 J jnl
A framework for simulating large scale cloud infrastructures.
Future Gener. Comput. Syst.
Christos K. Filelis-Papadopoulos, George A. Gravvanis, Panagiotis E. Kyziropoulos
2018 J jnl
Forecasting students' success in an open university.
Int. J. Learn. Technol.
George Kostopoulos, Sotiris Kotsiantis, Christos Pierrakeas, Giannis Koutsonikos, George A. Gravvanis
2018 J jnl
Large-scale simulation of a self-organizing self-management cloud computing framework.
J. Supercomput.
Christos K. Filelis-Papadopoulos, Konstantinos M. Giannoutakis, George A. Gravvanis, Dimitrios Tzovaras
2018 J jnl
Parallel Schur Complement Techniques Based on Multiprojection Methods.
SIAM J. Sci. Comput.
Byron E. Moutafis, Christos K. Filelis-Papadopoulos, George A. Gravvanis
2018 — conf
RECAP (Reliable Capacity Provisioning and Enhanced Remediation for Distributed Cloud Applications): The Simulation Approach.
ESOCC Workshops
Patricia Takako Endo, Christos K. Filelis-Papadopoulos, Sergej Svorobej, Anna Gourinovitch, Konstantinos M. Giannoutakis, George A. Gravvanis, Dimitrios Tzovaras, Divyaa Manimaran Elango, James Byrne, Theo Lynn
2018 J jnl
Special Issue: Recent trends in cloud computing.
Future Gener. Comput. Syst.
George A. Gravvanis, John P. Morrison, Dana Petcu, Theo Lynn, Christos K. Filelis-Papadopoulos
2018 J jnl
Special section: towards high performance computing in the cloud.
J. Supercomput.
George A. Gravvanis, John P. Morrison, Dan C. Marinescu, Christos K. Filelis-Papadopoulos
2018 J jnl
Toward the design of a novel hybrid parallel N-body method in scope of modern cloud architectures.
J. Supercomput.
Panagiotis E. Kyziropoulos, C. K. Filelis-Papadopoulos, George A. Gravvanis, Christos Efthymiopoulos
2017 C conf
A Generic Framework Supporting Self-Organisation and Self-Management in Hierarchical Systems.
ISPDC
Christos K. Filelis-Papadopoulos, Huanhuan Xiong, Adrian F. Spataru, Gabriel G. Castañé, Dapeng Dong, George A. Gravvanis, John P. Morrison
2017 — conf
A comparative study of CPU power consumption models for cloud simulation frameworks.
PCI
Antonios T. Makaratzis, Christos K. Filelis-Papadopoulos, Konstantinos M. Giannoutakis, George A. Gravvanis, Dimitrios Tzovaras
2017 J jnl
A parallel Self Mesh-Adaptive N-body method based on approximate inverses.
J. Supercomput.
Panagiotis E. Kyziropoulos, C. K. Filelis-Papadopoulos, George A. Gravvanis, Christos Efthymiopoulos
2017 — conf
CloudLightning Simulation and Evaluation Roadmap.
CloudNG@EuroSys
C. K. Filelis-Papadopoulos, George A. Gravvanis, John P. Morrison
2017 — conf
On the numerical solution of Helmholtz-type PDEs using an adaptive complex collocation technique.
PCI
P. A. Dinopoulos, Eleftherios-Nektarios G. Grylonakis, C. K. Filelis-Papadopoulos, George A. Gravvanis
2017 — conf
On the power consumption modeling for the simulation of Heterogeneous HPC clouds.
CloudNG@EuroSys
Konstantinos M. Giannoutakis, Antonios T. Makaratzis, Dimitrios Tzovaras, Christos K. Filelis-Papadopoulos, George A. Gravvanis
2017 — conf
Parallel Multi-Projection type methods on hybrid CPU/MIC cluster.
PCI
Byron E. Moutafis, C. K. Filelis-Papadopoulos, Panagiotis E. Kyziropoulos, George A. Gravvanis
2017 J jnl
Parallel multi-projection preconditioned methods based on semi-aggregation techniques.
J. Comput. Sci.
Byron E. Moutafis, Christos K. Filelis-Papadopoulos, George A. Gravvanis
2017 C conf
Predicting Student Performance in Distance Higher Education Using Active Learning.
EANN
Georgios Kostopoulos, Anastasia-Dimitra Lipitakis, Sotiris Kotsiantis, George A. Gravvanis
2016 — conf
A note on the convergence rate of a class of Approximate Sparse Inverse Matrix Methods.
PCI
C. K. Filelis-Papadopoulos, George A. Gravvanis, Elias A. Lipitakis
2016 — conf
CLOUDLIGHTNING: A Framework for a Self-organising and Self-managing Heterogeneous Cloud.
CLOSER (1)
Theo Lynn, Huanhuan Xiong, Dapeng Dong, Bilal Momani, George A. Gravvanis, Christos K. Filelis-Papadopoulos, Anne C. Elster, Malik Muhammad Zaki Murtaza Khan, Dimitrios Tzovaras, Konstantinos M. Giannoutakis, Dana Petcu, Marian Neagul, Ioan Dragon, Perumal Kuppudayar, Suryanarayanan Natarajan, Michael McGrath, Georgi Gaydadjiev, Tobias Becker, Anna Gourinovitch, David Kenny, John P. Morrison
2016 — conf
Characterization of hardware in self-managing self-organizing Cloud environment.
PCI
C. K. Filelis-Papadopoulos, Eleftherios-Nektarios G. Grylonakis, Panagiotis E. Kyziropoulos, George A. Gravvanis, John P. Morrison
2016 J jnl
Managing Spatial Graph Dependencies in Large Volumes of Traffic Data for Travel-Time Prediction.
IEEE Trans. Intell. Transp. Syst.
Athanasios Salamanis, Dionysios D. Kehagias, Christos K. Filelis-Papadopoulos, Dimitrios Tzovaras, George A. Gravvanis
2016 Misc conf
On Issues Concerning Cloud Environments in Scope of Scalable Multi-Projection Methods.
SYNASC
Byron E. Moutafis, Christos K. Filelis-Papadopoulos, George A. Gravvanis, John P. Morrison
2016 J jnl
Parallel multilevel recursive approximate inverse techniques for solving general sparse linear systems.
J. Supercomput.
Antonios T. Makaratzis, Christos K. Filelis-Papadopoulos, George A. Gravvanis
2015 — conf
Deflation techniques in conjunction with generic factored approximate sparse inverse preconditioning.
Panhellenic Conference on Informatics
Byron E. Moutafis, C. K. Filelis-Papadopoulos, George A. Gravvanis
2015 — conf
On the numerical solution of the generalized dirichlet-neumann map for the 2D laplace equation using modified generic factored approximate sparse inverse preconditioning.
Panhellenic Conference on Informatics
Eleftherios-Nektarios G. Grylonakis, C. K. Filelis-Papadopoulos, George A. Gravvanis
2014 J jnl
An efficient method for computing the inverse of arrowhead matrices.
Appl. Math. Lett.
Hashem Saberi Najafi, S. A. Edalatpanah, George A. Gravvanis
2014 J jnl
Distributed generic approximate sparse inverses.
J. Supercomput.
George A. Gravvanis, Christos K. Filelis-Papadopoulos
2014 — conf
Geometric multigrid methods based on Generic Approximate Sparse Inverses.
Panhellenic Conference on Informatics
George A. Gravvanis, C. K. Filelis-Papadopoulos
2014 — conf
Higher Order Finite Difference Scheme for solving 3D Black-Scholes equation based on Generic Factored Approximate Sparse Inverse Preconditioning using Reordering Schemes.
Panhellenic Conference on Informatics
Eleftherios-Nektarios G. Grylonakis, C. K. Filelis-Papadopoulos, George A. Gravvanis
2014 J jnl
On the numerical modeling of convection-diffusion problems by finite element multigrid preconditioning methods.
Adv. Eng. Softw.
Christos K. Filelis-Papadopoulos, George A. Gravvanis, Elias A. Lipitakis
2014 J jnl
Parallel multigrid algorithms based on generic approximate sparse inverses: an SMP approach.
J. Supercomput.
Christos K. Filelis-Papadopoulos, George A. Gravvanis
2013 C conf
N-body simulation based on the Particle Mesh method using Multigrid schemes.
FedCSIS
Panagiotis E. Kyziropoulos, C. K. Filelis-Papadopoulos, George A. Gravvanis
2013 — conf
On numerical modeling performance of generalized preconditioned methods.
BCI
George A. Gravvanis, C. K. Filelis-Papadopoulos, Elias A. Lipitakis
2013 C conf
Schur Complement Domain Decomposition in conjunction with Algebraic Multigrid methods based on Generic Approximate Inverses.
FedCSIS
P. I. Matskanidis, George A. Gravvanis
2012 — conf
A Note on the Comparison of a Class of Preconditioned Iterative Methods.
Panhellenic Conference on Informatics
George A. Gravvanis, C. K. Filelis-Papadopoulos, Elias A. Lipitakis
2012 — conf
On the Algebraic Multigrid Method Based on Generic Approximate Banded Inverses.
Panhellenic Conference on Informatics
P. I. Matskanidis, George A. Gravvanis
2012 — conf
On the Numerical Modeling and Solution of a Time Harmonic 3D Wave Equation by Explicit Approximate Inverse Preconditioning.
Panhellenic Conference on Informatics
A. Karamouta, C. K. Filelis-Papadopoulos, George A. Gravvanis, M. T. Chryssomallis
2012 J jnl
Solving finite difference linear systems on GPUs: CUDA based Parallel Explicit Preconditioned Biconjugate Conjugate Gradient type Methods.
J. Supercomput.
George A. Gravvanis, C. K. Filelis-Papadopoulos, Konstantinos M. Giannoutakis
2011 — conf
A Note on Parallel Finite Element Approximate Inverses Using OpenMP on Multicore Systems.
Panhellenic Conference on Informatics
P. I. Matskanidis, George A. Gravvanis, Konstantinos M. Giannoutakis
2011 J jnl
An ontology-based mechanism for automatic categorization of web services.
Concurr. Comput. Pract. Exp.
Dionysios D. Kehagias, Konstantinos M. Giannoutakis, George A. Gravvanis, Dimitrios Tzovaras
2011 — conf
Higher Order Finite Difference Preconditioned Scheme: A Multithreaded Approach.
Panhellenic Conference on Informatics
C. K. Filelis-Papadopoulos, George A. Gravvanis, Elias A. Lipitakis
2011 J jnl
On the GPGPU parallelization issues of finite element approximate inverse preconditioning.
J. Comput. Appl. Math.
C. K. Filelis-Papadopoulos, George A. Gravvanis, P. I. Matskanidis, Konstantinos M. Giannoutakis
2011 J jnl
Special Issue on "Aspects of Numerical Algorithms, Parallelization and Applications".
J. Comput. Appl. Math.
George A. Gravvanis
2010 — conf
Finite Element Approximate Inverse Preconditioning using POSIX threads on multicore systems.
IMCSIT
George A. Gravvanis, P. I. Matskanidis, Konstantinos M. Giannoutakis, Elias A. Lipitakis
2010 — ed.
Proceedings of the 2010 International Conference on Foundations of Computer Science, FCS 2010, July 12-15, 2010, Las Vegas, Nevada, USA
FCS
Hamid R. Arabnia, George A. Gravvanis, Ashu M. G. Solo
2010 — ed.
Proceedings of the 2010 International Conference on Grid Computing & Applications, GCA 2010, July 12-15, 2010, Las Vegas, Nevada, USA
GCA
Hamid R. Arabnia, George A. Gravvanis, Ashu M. G. Solo
2010 — ed.
Proceedings of the 2010 International Conference on Scientific Computing, CSC 2010, July 12-15, 2010, Las Vegas, Nevada, USA
CSC
Hamid R. Arabnia, George A. Gravvanis, Louis D'Alotto, James F. Nystrom, Ashu M. G. Solo, William Spataro, Emre Tokgoz
2010 Misc ed.
Proceedings of the International Conference on Parallel and Distributed Processing Techniques and Applications, PDPTA 2010, Las Vegas, Nevada, USA, July 12-15, 2010, 2 Volumes
PDPTA
Hamid R. Arabnia, Steve C. Chiu, George A. Gravvanis, Minoru Ito, Kazuki Joe, Hiroaki Nishikawa, Ashu M. G. Solo
2009 J jnl
OpenMP based parallel normalized direct methods for sparse finite element linear systems.
J. Supercomput.
George A. Gravvanis
2009 J jnl
Optimal server resource reservation policies for priority classes of users under cyclic non-homogeneous markov modeling.
Eur. J. Oper. Res.
Vasilis P. Koutras, Agapios N. Platis, George A. Gravvanis
2009 — ed.
Proceedings of the 2009 International Conference on Foundations of Computer Science, FCS 2009, July 13-16, 2009, Las Vegas, Nevada, USA
FCS
Hamid R. Arabnia, George A. Gravvanis
2009 — ed.
Proceedings of the 2009 International Conference on Grid Computing & Applications, GCA 2009, July 13-16, 2009, Las Vegas, Nevada, USA
GCA
Hamid R. Arabnia, George A. Gravvanis
2009 J jnl
Special Section: Defining the grid, experiences and future trends.
Future Gener. Comput. Syst.
George A. Gravvanis, John P. Morrison, Heinz Stockinger
2008 C conf
An Improved Parallel Algorithm for Computing Approximate Inverses by Reducing Synchronizations.
ISPDC
George A. Gravvanis, Konstantinos M. Giannoutakis
2008 J jnl
High performance finite element approximate inverse preconditioning.
Appl. Math. Comput.
Konstantinos M. Giannoutakis, George A. Gravvanis
2008 J jnl
Java multithreading-based parallel approximate arrow-type inverses.
Concurr. Comput. Pract. Exp.
George A. Gravvanis, Victor N. Epitropou
2008 — conf
Parallel Approximate Finite Element Inverses on Symmetric Multiprocessor Systems.
ICCS (1)
Konstantinos M. Giannoutakis, George A. Gravvanis
2007 C conf
Java Multithreading based Parallel Preconditioned Generalized Conjugate Gradient type methods.
ISPDC
Victor N. Epitropou, Konstantinos M. Giannoutakis, George A. Gravvanis
2007 J jnl
Matching high performance approximate inverse preconditioning to architectural platforms.
J. Supercomput.
Konstantinos M. Giannoutakis, George A. Gravvanis, Brian C. Clayton, Adarsh Patil, Therese Enright, John P. Morrison
2007 Misc conf
On the Design of Parallel Finite Element Approximate Inverses.
PDPTA
Konstantinos M. Giannoutakis, George A. Gravvanis
2007 J jnl
On the optimization of free resources using non-homogeneous Markov chain software rejuvenation model.
Reliab. Eng. Syst. Saf.
Vasilis P. Koutras, Agapios N. Platis, George A. Gravvanis
2007 J jnl
On the performance of parallel approximate inverse preconditioning using Java multithreading techniques.
Appl. Math. Comput.
George A. Gravvanis, Victor N. Epitropou, Konstantinos M. Giannoutakis
2007 J jnl
Software rejuvenation for resource optimization based on explicit approximate inverse preconditioning.
Appl. Math. Comput.
Vasilis P. Koutras, Agapios N. Platis, George A. Gravvanis
2007 J jnl
Special issue on "Grid Technologies".
J. Supercomput.
George A. Gravvanis, John P. Morrison, Geoffrey C. Fox
2007 J jnl
Special section: Grid technology and applications.
Future Gener. Comput. Syst.
George A. Gravvanis, John P. Morrison, Hamid R. Arabnia
2006 A conf
On the performance of parallel normalized explicit preconditioned conjugate gradient type methods.
IPDPS
George A. Gravvanis, Konstantinos M. Giannoutakis
2006 Misc conf
Parallel Exact and Approximate Arrow-Type Inverses on Symmetric Multiprocessor Systems.
International Conference on Computational Science (1)
George A. Gravvanis, Konstantinos M. Giannoutakis
2006 J jnl
Special section: Parallel and distributed algorithms and systems.
Future Gener. Comput. Syst.
George A. Gravvanis, Hamid R. Arabnia
2005 J jnl
High Performance Computations Using Internet and Grid Technology.
Neural Parallel Sci. Comput.
Konstantinos M. Giannoutakis, George A. Gravvanis, M. P. Bekakos
2005 J jnl
Parallel preconditioned conjugate gradient square method based on normalized approximate inverses.
Sci. Program.
George A. Gravvanis, Konstantinos M. Giannoutakis
2005 — ed.
Proceedings of The 2005 International Conference on Scientific Computing, CSC 2005, Las Vegas, Nevada, USA, June 20-23, 2005
CSC
Hamid R. Arabnia, George A. Gravvanis
2004 J jnl
A Distributed Normalized Explicit Preconditioned Conjugate Gradient Method.
Parallel Algorithms Appl.
George A. Gravvanis, Konstantinos M. Giannoutakis, Nikolaos M. Missirlis
2004 J jnl
Computing the Success Factors in Consistent Acquisition and Recognition of Objects in Color Digital Images by Explicit Preconditioning.
J. Supercomput.
Ilias Maglogiannis, Elias P. Zafiropoulos, Agapios N. Platis, George A. Gravvanis
2004 J jnl
Guest Editorial.
J. Supercomput.
George A. Gravvanis, Eunice E. Santos
2004 — conf
Normalized Isomorphic Preconditioned Methods for Solving Sparse Non-Linear Systems.
MSV/AMCS
George A. Gravvanis, Konstantinos M. Giannoutakis
2004 — conf
Parallel Approximate Finite Element Inverse Preconditioning on Distributed Systems.
ISPDC/HeteroPar
George A. Gravvanis, Konstantinos M. Giannoutakis
2004 Misc conf
Parallel Finite Element Approximate Inverse Preconditioning on Symmetric Multiprocessor Systems.
PDPTA
George A. Gravvanis, Konstantinos M. Giannoutakis, M. P. Bekakos
2004 J jnl
Parallel and Systolic Solution of Normalized Explicit Approximate Inverse Preconditioning.
J. Supercomput.
George A. Gravvanis, Konstantinos M. Giannoutakis, Michael P. Bekakos, Odysseas Efremides
2004 — ed.
Proceedings of the International Conference on Modeling, Simulation & Visualization Methods, MSV '04 & Proceedings of the International Conference on Algorithmic Mathematics & Computer Science, AMCS '04, June 21-24, 2004, Las Vegas, Nevada, USA
MSV/AMCS
Hamid R. Arabnia, Rose Joshua, Iyad A. Ajwa, George A. Gravvanis
2004 C conf
Solving Non-linear Finite Difference Systems by Normalized Approximate Inverses.
CIS
George A. Gravvanis, Konstantinos M. Giannoutakis
2004 J jnl
The Journal of Parallel Algorithms and Applications: Special Issue on Parallel and Distributed Algorithms.
Parallel Algorithms Appl.
George A. Gravvanis, Hamid R. Arabnia
2003 J jnl
A Two-Phase Cyclic Nonhomogeneous Markov Chain Performability Evaluation by Explicit Approximate Inverses Applied to a Replicated Database System.
J. Math. Model. Algorithms
Agapios N. Platis, George A. Gravvanis, Konstantinos M. Giannoutakis, Elias A. Lipitakis
2003 J jnl
Editorial - Special Issue: Computational Sciences and Applications.
J. Math. Model. Algorithms
Hamid R. Arabnia, George A. Gravvanis
2003 J jnl
Guest Editor's Editorial Computational Science and Scientific Computing.
J. Supercomput.
George A. Gravvanis
2003 J jnl
On the Solution of Boundary Value Problems by Using Fast Generalized Approximate Inverse Banded Matrix Techniques.
J. Supercomput.
George A. Gravvanis
2003 Misc conf
Performability Evaluation of Multitasking and Multiprocessor Systems by Explicit Approximate Inverses.
PDPTA
George A. Gravvanis, Agapios N. Platis, Konstantinos M. Giannoutakis, J. B. Violentis, Elias A. Lipitakis
2002 Misc conf
A Normalized Explicit Preconditioned Conjugate Gradient Method for Solving Sparse Non-linear Systems.
PDPTA
Konstantinos M. Giannoutakis, George A. Gravvanis
2002 J jnl
Domain Decomposition?CFinite Difference Approximate Inverse Preconditioned Schemes for Solving Fourth-Order Equations.
J. Math. Model. Algorithms
George A. Gravvanis
2002 Misc conf
Performability Evaluation of a Replicated Database System by Explicit Approximate Inverses.
PDPTA
George A. Gravvanis, Agapios N. Platis, J. B. Violentis, Konstantinos M. Giannoutakis
2002 J jnl
Solving Symmetric Arrowhead and Special Tridiagonal Linear Systems by Fast Approximate Inverse Preconditioning.
J. Math. Model. Algorithms
George A. Gravvanis
2001 J jnl
A fast explicit preconditioned finite element scheme.
Neural Parallel Sci. Comput.
George A. Gravvanis
2001 J jnl
The convergence rate and complexity of explicit preconditioned conjugate gradient methods based on approximate inverse banded matrix techniques.
Neural Parallel Sci. Comput.
George A. Gravvanis
2000 Misc conf
Domain Decomposition Approximate Inverse Preconditioning for Solving Fourth Order Equations.
PDPTA
George A. Gravvanis
2000 J jnl
Explicit isomorphic iterative methods for solving arrow-type linear systems.
Int. J. Comput. Math.
George A. Gravvanis
1999 J jnl
Generalized approximate inverse finite element matrix techniques.
Neural Parallel Sci. Comput.
George A. Gravvanis
1998 J jnl
An approximate inverse matrix technique for arrowhead matrices.
Int. J. Comput. Math.
George A. Gravvanis
1996 J jnl
The rate of convergence of explicit approximate inverse preconditioning.
Int. J. Comput. Math.
George A. Gravvanis
1995 J jnl
Explicit Preconditioned Iterative Methods for Solving Large Unsymmetric Finite Element Systems.
Computing
Elias A. Lipitakis, George A. Gravvanis
1995 J jnl
Explicit preconditioned methods for solving 3d boundary-value problems by approximate inverse finite element matrix techniques.
Int. J. Comput. Math.
George A. Gravvanis
1992 — —
ΜΕΛΕΤΗ ΥΠΟΛΟΓΙΣΤΙΚΩΝ ΜΕΘΟΔΩΝ ΓΙΑ ΤΗΝ ΑΡΙΘΜΗΤΙΚΗ ΕΠΙΛΥΣΗ ΕΛΛΕΙΠΤΙΚΩΝ ΚΑΙ ΠΑΡΑΒΟΛΙΚΩΝ ΔΙΑΦΟΡΙΚΩΝ ΕΞΙΣΩΣΕΩΝ ΜΕ ΔΥΟ ΚΑΙ ΤΡΕΙΣ ΧΩΡΟΜΕΤΑΒΛΗΤΕΣ
George A. Gravvanis