Search Results - "Gravvanis, G.A."

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

“…Resource availability optimization is studied on a server–client system where different users are partitioned into priority classes. The aim is to provide…”
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A class of unified transform techniques for solving linear elliptic PDEs in convex polygons by Grylonakis, E.N.G., Filelis-Papadopoulos, C.K., Gravvanis, G.A.

“…A class of numerical techniques is introduced for computing the solution and its normal derivative for two-dimensional, linear, elliptic partial differential…”
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An efficient method for computing the inverse of arrowhead matrices by Saberi Najafi, H., Edalatpanah, S.A., Gravvanis, G.A.

“…In this paper we propose a simple and effective method to find the inverse of arrowhead matrices which often appear in wide areas of applied science and…”
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A parallel unified transform solver based on domain decomposition for solving linear elliptic PDEs by Grylonakis, E. N. G., Gravvanis, G. A., Filelis-Papadopoulos, C. K., Fokas, A. S.

“…A hybrid approach for the solution of linear elliptic PDEs, based on the unified transform method in conjunction with domain decomposition techniques, is…”
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On the GPGPU parallelization issues of finite element approximate inverse preconditioning by Filelis-Papadopoulos, C.K., Gravvanis, G.A., Matskanidis, P.I., Giannoutakis, K.M.

“…During the past decades, explicit finite element approximate inverse preconditioning methods have been extensively used for efficiently solving sparse linear…”
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On the design and implementation of parallel finite element approximate inverses using POSIX threads on multicore systems by Gravvanis, G.A., Matskanidis, P.I., Giannoutakis, K.M., Lipitakis, E.A.

“…Purpose - The purpose of this paper is to propose novel parallel computational techniques for the parallelization of explicit finite element generalized…”
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Explicit preconditioned domain decomposition schemes for solving nonlinear boundary value problems by Gravvanis, G.A.

“…A new class of inner-outer iterative procedures in conjunction with Picard-Newton methods based on explicit preconditioning iterative methods for solving…”
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On the Numerical Modeling and Solution of a Time Harmonic 3D Wave Equation by Explicit Approximate Inverse Preconditioning by Karamouta, A., Filelis-Papadopoulos, C.K., Gravvanis, G.A., Chryssomallis, M.T.

“…Explicit Preconditioned Biconjugate gradient methods, based on approximate inverse are used for the evaluation of the field distributions inside an…”
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A three-dimensional explicit preconditioned solver by Gravvanis, G.A., Lipitakis, E.A.

“…A new class of Generalized Approximate Inverse Matrix (GAIM) techniques, based on the concept of LU-sparse factorization procedures, is introduced for…”
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On the performance of parallel normalized explicit preconditioned conjugate gradient type methods by Gravvanis, G.A., Giannoutakis, K.M.

“…A new class of parallel normalized preconditioned conjugate gradient type methods in conjunction with normalized approximate inverses algorithms, based on…”
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An Improved Parallel Algorithm for Computing Approximate Inverses by Reducing Synchronizations by Gravvanis, G.A., Giannoutakis, K.M.

“…A new parallel algorithm, based on the concept of anti diagonal wave pattern, for computing approximate inverses, is introduced for symmetric multiprocessor…”
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Java Multithreading based Parallel Preconditioned Generalized Conjugate Gradient type methods by Epitropou, V.N., Giannoutakis, K.M., Gravvanis, G.A.

“…A new class of Java multithreading based parallel approximate inverse preconditioning is introduced, for efficiently solving sparse arrow-type linear systems…”
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Parallel approximate finite element inverse preconditioning on distributed systems by Gravvanis, G.A., Giannoutakis, K.M.

“…New parallel Normalized Explicit Preconditioned Conjugate Gradient-type methods are introduced for solving finite element systems on distributed memory MIMD…”
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