Optimal server resource reservation policies for priority classes of users under cyclic non-homogeneous markov modeling von Koutras, V.P., Platis, A.N., Gravvanis, G.A.

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An iterative spatial-stepping numerical method for linear elliptic PDEs using the Unified Transform von Grylonakis, E.-N.G., Filelis-Papadopoulos, C.K., Gravvanis, G.A., Fokas, A.S.

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An efficient method for computing the inverse of arrowhead matrices von Saberi Najafi, H., Edalatpanah, S.A., Gravvanis, G.A.

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A class of unified transform techniques for solving linear elliptic PDEs in convex polygons von Grylonakis, E.N.G., Filelis-Papadopoulos, C.K., Gravvanis, G.A.

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A parallel unified transform solver based on domain decomposition for solving linear elliptic PDEs von Grylonakis, E. N. G., Gravvanis, G. A., Filelis-Papadopoulos, C. K., Fokas, A. S.

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On the GPGPU parallelization issues of finite element approximate inverse preconditioning von Filelis-Papadopoulos, C.K., Gravvanis, G.A., Matskanidis, P.I., Giannoutakis, K.M.

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On the design and implementation of parallel finite element approximate inverses using POSIX threads on multicore systems von Gravvanis, G.A., Matskanidis, P.I., Giannoutakis, K.M., Lipitakis, E.A.

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Explicit preconditioned domain decomposition schemes for solving nonlinear boundary value problems von Gravvanis, G.A.

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A three-dimensional explicit preconditioned solver von Gravvanis, G.A., Lipitakis, E.A.

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On the Numerical Modeling and Solution of a Time Harmonic 3D Wave Equation by Explicit Approximate Inverse Preconditioning von Karamouta, A., Filelis-Papadopoulos, C.K., Gravvanis, G.A., Chryssomallis, M.T.

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On the performance of parallel normalized explicit preconditioned conjugate gradient type methods von Gravvanis, G.A., Giannoutakis, K.M.

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An Improved Parallel Algorithm for Computing Approximate Inverses by Reducing Synchronizations von Gravvanis, G.A., Giannoutakis, K.M.

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Parallel approximate finite element inverse preconditioning on distributed systems von Gravvanis, G.A., Giannoutakis, K.M.

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