# Ahmed Sameh

#29,401

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Egyptian-American computer scientist

## Ahmed Sameh's AcademicInfluence.com Rankings

Ahmed Samehcomputer-science Degrees

Computer Science

#2642

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#2763

Historical Rank

#1132

USA Rank

Machine Learning

#4740

World Rank

#4794

Historical Rank

#164

USA Rank

Artificial Intelligence

#5113

World Rank

#5180

Historical Rank

#277

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Database

#7356

World Rank

#7622

Historical Rank

#893

USA Rank

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Computer Science

## Ahmed Sameh's Degrees

- Bachelors Computer Science Cairo University
- Masters Computer Science Carnegie Mellon University
- PhD Computer Science Stanford University

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## Why Is Ahmed Sameh Influential?

(Suggest an Edit or Addition)According to Wikipedia, Ahmed Hamdy Mohamed Sameh is the Samuel D. Conte Professor of Computer Science at Purdue University. He is known for his contributions to parallel algorithms in numerical linear algebra. Biography Sameh received his BSc in civil engineering from the University of Alexandria, Egypt in 1961, MS in civil engineering from Georgia Institute of Technology in 1964 and PhD in civil engineering from the University of Illinois at Urbana–Champaign in 1968 under the supervision of Alfredo Hua-Sing Ang.

## Ahmed Sameh's Published Works

### Published Works

- The Perfect Club Benchmarks: Effective Performance Evaluation of Supercomputers (1989) (567)
- On Stable Parallel Linear System Solvers (1978) (276)
- Parallel Supercomputing Today and the Cedar Approach (1986) (245)
- Parallel Algorithms for Dense Linear Algebra Computations (1990) (232)
- CEDAR: a large scale multiprocessor (1983) (209)
- A parallel hybrid banded system solver: the SPIKE algorithm (2006) (194)
- Trace Minimization Algorithm for the Generalized Eigenvalue Problem (1982) (165)
- On Jacobi and Jacobi-like algorithms for a parallel computer (1971) (162)
- Impact of Hierarchical Memory Systems On Linear Algebra Algorithm Design (1988) (152)
- Row Projection Methods for Large Nonsymmetric Linear Systems (1992) (110)
- Scalable parallel formulations of the Barnes-Hut method for n-body simulations (1994) (105)
- Practical Parallel Band Triangular System Solvers (1978) (102)
- On some parallel banded system solvers (1984) (100)
- Parallel Algorithms for Matrix Computations (1987) (99)
- A multiprocessor algorithm for the symmetric tridiagonal eigenvalue problem (1985) (96)
- Solving Triangular Systems on a Parallel Computer (1977) (93)
- The trace minimization method for the symmetric generalized eigenvalue problem (2000) (91)
- The computation and communication complexity of a parallel banded system solver (1984) (91)
- High Speed Computer and Algorithm Organization (1977) (88)
- SPIKE: A parallel environment for solving banded linear systems (2007) (82)
- EFFECTS OF PROGRAM RESTRUCTURING, ALGORITHM CHANGE, AND ARCHITECTURE CHOICE ON PROGRAM PERFORMANCE. (1984) (80)
- Performance and Scalability of Preconditioned Conjugate Gradient Methods on Parallel Computers (1995) (74)
- Solution of linear systems in arterial fluid mechanics computations with boundary layer mesh refinement (2010) (69)
- A nested iterative scheme for computation of incompressible flows in long domains (2008) (69)
- Nested and parallel sparse algorithms for arterial fluid mechanics computations with boundary layer mesh refinement (2011) (64)
- An Efficient Iterative Method for the Generalized Stokes Problem (1998) (63)
- Preconditioning Techniques for Nonsymmetric Linear Systems in the Computation of Incompressible Flows (2009) (60)
- Implementation of some concurrent algorithms for matrix factorization (1986) (59)
- A Parallel QR Algorithm for Symmetric Tridiagonal Matrices (1977) (58)
- A parallel sparse algorithm targeting arterial fluid mechanics computations (2011) (54)
- PSPIKE: A Parallel Hybrid Sparse Linear System Solver (2009) (52)
- A projection method for solving nonsymmetric linear systems on multiprocessors (1989) (51)
- NEW TECHNIQUES FOR MODELING PAVEMENT DETERIORATION (1987) (50)
- A matrix decomposition method for orthotropic elasticity problems (1989) (45)
- Hybrid Parallel Linear System Solvers (1999) (45)
- The Cedar System And An Initial Performance Study (1993) (44)
- Multiprocessor Schemes for Solving Block Tridiagonal Linear Systems (1988) (44)
- Analyzing memory access intensity in parallel programs on multicore (2008) (43)
- Parallel Hierarchical Solvers and Preconditioners for Boundary Element Methods (1996) (42)
- An overview of parallel algorithms for the singular value and symmetric eigenvalue problems (1989) (40)
- A parallel hybrid sparse linear system solver (1990) (40)
- A fictitious domain method with distributed Lagrange multipliers for the numerical simulation of par (1998) (37)
- Parallel Algorithms for the Singular Value Decomposition (2005) (36)
- Model Reduction of Large-Scale Dynamical Systems (2004) (34)
- Parallel scalable PDE-constrained optimization: antenna identification in hyperthermia cancer treatment planning (2009) (33)
- Parallel finite element computations in fluid mechanics (2006) (33)
- Parallel Computation of Eigenvalues of Real Matrices (1971) (32)
- Weighted Matrix Ordering and Parallel Banded Preconditioners for Iterative Linear System Solvers (2010) (30)
- Analysis of Rounding Methods in Floating-Point Arithmetic (1977) (28)
- The behavior of conjugate gradient algorithms on a multivector processor with a hierarchical memory (1988) (26)
- Parallel block schemes for large-scale least-squares computations (1988) (26)
- The sas domain decomposition method for structural analysis (1988) (26)
- Parallel computation of the singular value decomposition (2003) (25)
- Efficient iterative solvers for structural dynamics problems (2004) (24)
- Efficient Calculation of the Effects of Roundoff Errors (1978) (24)
- Parallel Algorithms on the CEDAR System (1986) (23)
- Parallel direct linear system solvers -- a survey☆ (1977) (23)
- Parallelism in Matrix Computations (2016) (23)
- The cedar system and an initial performance study (1993) (21)
- On some parallel algorithms on a ring of processors (1985) (20)
- A tearing-based hybrid parallel banded linear system solver (2009) (20)
- Adaptive Model Trust Region Methods for Generalized Eigenvalue Problems (2005) (18)
- On an iterative method for saddle point problems (1998) (17)
- Multiprocessor Jacobi Algorithms for Dense Symmetric Eigenvalue and Singular Value Decompositions (1986) (17)
- A nested iterative scheme for indefinite linear systems in particulate flows (2004) (17)
- A parallel balance scheme for banded linear systems (2001) (15)
- Solving Elliptic Difference Equations on a Linear Array of Processors (1985) (15)
- On Certain Parallel Toeplitz Linear System Solvers (1981) (15)
- A communication-efficient linear system solver for large eddy simulation of jet engine noise (2013) (15)
- CSE: content and product (1997) (15)
- A Supercomputing Performance Evaluation Plan (1988) (15)
- A direct tridiagonal solver based on Givens rotations for GPU architectures (2015) (14)
- Parallel Numerical Algorithms (1997) (14)
- A FAST POISSON SOLVER FOR MULTIPROCESSORS (1984) (14)
- TRACEMIN-Fiedler: A Parallel Algorithm for Computing the Fiedler Vector (2010) (14)
- Exact calculation of entanglement in a 19-site two-dimensional spin system (2009) (14)
- Solving general sparse linear systems using conjugate gradient-type methods (1990) (14)
- Parallel algorithms for indefinite linear systems (2002) (13)
- Petascale large eddy simulation of jet engine noise based on the truncated SPIKE algorithm (2014) (13)
- n-body simulations using message passing parallel computers. (1995) (13)
- Parallel Simulation of Particulate Flows (1998) (13)
- A robust parallel solver for block tridiagonal systems (1988) (13)
- Domain decomposition for parallel row projection algorithms (1991) (12)
- A scalable hybrid linear solver based on combinatorial algorithms (2012) (12)
- A tearing-based hybrid parallel sparse linear system solver (2010) (11)
- Supercomputing tradeoffs and the cedar system (1988) (11)
- On the intermediate eigenvalues of symmetric sparse matrices (1975) (11)
- Improving error bounds for multipole-based treecodes (1998) (11)
- A PARALLEL BLOCK STIEFEL METHOD FOR SOLVING POSITIVE DEFINITE SYSTEMS (1981) (11)
- PSPIKE+: A family of parallel hybrid sparse linear system solvers (2017) (11)
- Parallel implementations of the trace minimization scheme TraceMIN for the sparse symmetric eigenvalue problem (2013) (11)
- Performance Models for the Spike Banded Linear System Solver (2010) (11)
- Parallel Matrix-Vector Product Using Approximate Hierarchical Methods (1995) (10)
- Multipole-based preconditioners for large sparse linear systems (2003) (10)
- Iterative methods for the solution of elliptic difference equations on multiprocessors (1981) (9)
- Algorithms for roundoff error analysis —A relative error approach (1980) (8)
- N-Body Simulations Using Message Passsing Parallel Computers (1995) (8)
- Performance and Scalability of Preconditioned Conjugate Gradient Methods on the CM-5 (1993) (6)
- Hierarchical Divergence-Free Bases and Their Application to Particulate Flows (2003) (6)
- Parallel matrix algorithms and applications (2008) (6)
- Iterative algorithms for tridiagonal matrices on a WSI-multiprocessor (1982) (6)
- Analyzing the Error Bounds of Multipole-Based Treecodes (1998) (6)
- Numerical Linear Algebra On The CEDAR Multiprocessor (1988) (6)
- MPSE: Multidisciplinary Problem Solving Environments (1995) (6)
- A Parallel Numerical Solver Using Hierarchically Tiled Arrays (2010) (6)
- Autonomous Flight Take-off in Flapping Wing Aerial Vehicles (2020) (5)
- ROM-rounding: A new rounding scheme (1975) (5)
- A Multiprocessor Scheme for the Singular Value Decomposition (1987) (5)
- Solving sparse linear least-squares problems on some supercomputers by using large dense blocks (1997) (5)
- Reducing Communication Overhead in Large Eddy Simulation of Jet Engine Noise (2010) (5)
- NUMERICAL CALCULATION AND COMPUTER DESIGN (1978) (4)
- How to Generate Effective Block Jacobi Preconditioners for Solving Large Sparse Linear Systems (2016) (4)
- Parallel Poisson and Biharmonic solvers (1976) (4)
- Large scale simulation of particulate flows (1999) (4)
- On some parallel preconditioned CG schemes (1991) (4)
- Structural computations on the Cedar system (1985) (3)
- A parallel sparse linear system solver based on Hermitian/skew-Hermitian splitting (2016) (3)
- Corrections to “The Computation and Communication Complexity of a Parallel Banded System Solver” (1985) (3)
- Operator splitting methods for the navier-stokes equations (1992) (3)
- Bio-inspired jumping maneuver for launching flapping wing micro air vehicles (2018) (3)
- A new approach for solving symmetric eigenvalue problems (1992) (3)
- Proceedings of the 4th international conference on Supercomputing (1990) (3)
- Comparison of Ten Methods for the Solution of Large and Sparse Linear Algebraic Systems (2002) (3)
- High performance algorithms for structured matrix problems (1998) (3)
- Parallel algorithms for network routing problems and recurrences (1982) (3)
- The Omni Macroprogramming Environment for Sensor Networks (2006) (3)
- A fast elliptic solver for simply connected domains (1989) (3)
- Building Verifiable Sensing Applications Through Temporal Logic Specification (2007) (3)
- A Partitioning Scheme for the Parallel Solution of Banded Linear Systems (1997) (3)
- Latency Hiding (2011) (2)
- Distributed Fault Tolerant Linear System Solvers Based on Erasure Coding (2017) (2)
- Solution of the Navier-Stokes equations for a driven cavity (1991) (2)
- Design of Large-Scale Parallel Simulations (2000) (2)
- New 3D Translational Interconnected Manipulator for Industrial Applications (2018) (2)
- Parallel Algorithms for Large-Scale Nanoelectronics Simulations Using NESSIE (2004) (2)
- A general framework for lumbar spine modelling and simulation (2008) (2)
- Lumbar Spine : Parameter Estimation for Realistic Modeling (2006) (2)
- Computing Extremal Singular Triplets of Sparse Matrices on a Shared-Memory Multiprocessor (1994) (2)
- The behaviour of conjugate gradient based algorithms on a multi-vector processor with a memory hierarchy (1986) (2)
- High-Fidelity Simulation of Large-Scale Structures (2005) (2)
- Numerical Analysis of Axi-Symmetric Wave Propagation in Elastic-Plastic Layered Media (1968) (2)
- On Optimal Banded Preconditioners for the Five-Point Laplacian (1999) (2)
- Parallel iterative solvers and preconditioners using approximate hierarchical methods (1996) (2)
- An Auspicious Beginning (1995) (2)
- Preconditioners for nonsymmetric indefinite linear systems (2020) (2)
- Reliability of Krylov Subspace Methods - A Practical Perspective II (2007) (2)
- Solving Linear Systems on Multiprocessors (1988) (2)
- On the Development of Libraries and their use in Applications (1994) (2)
- A Fast Technique for Modeling and Control of Dynamic Systems (2002) (2)
- Parallel Preconditioners for Elliptic PDEs (1996) (2)
- A Feature-complete SPIKE Dense Banded Solver (2020) (1)
- Walter Gautschi, Volume 3 (2014) (1)
- Enhancing Partitionable Group Membership Service in Asynchronous Distributed Systems (2001) (1)
- On the identification of multi-output linear time-invariant and periodic dynamic systems (1973) (1)
- Three Dimensional Deformable Modeling of the Spinal Lumbar Region (2002) (1)
- A Parallel Iterative Solver for Almost Block-Diagonal Linear Systems (1995) (1)
- Parallel Solution of Multibody Store Separation Problems by a Fictitious Domain Method (2000) (1)
- Special Linear Systems (2016) (1)
- Evaluating Sparse Linear System Solvers on Scalable Parallel Architectures (2008) (1)
- A discrete-variable approach for elastic-plastic wave motions in layered solids (1971) (1)
- A partial surface/volume match for high accuracy object localization (2001) (1)
- AN EFFICIENT ITERATIVE METHOD FOR THE GENERALIZED (1998) (1)
- Anytime Algorithms for Maximal Constraint Satisfaction (2001) (1)
- Computational Challenges in Nanoscale Device Modeling (2004) (1)
- Visual constraint programming environment for configuration problems (2000) (1)
- - Dimension and Shape Invariant Array Programming : The Implementation and the Application (1)
- EIGEN-VALUE PROBLEMS, (1968) (1)
- Parallel Programming Paradigms (2016) (1)
- Design, control, and dynamic simulation of securing and transformation mechanisms for a hybrid ground aerial robot (2020) (1)
- Block row projection method based on M-matrix splitting (2017) (1)
- Development of a Balanced 3D Translational Interconnected Manipulator With Solely Rotary Joints/Actuators and Free-Internal-Singularity Workspace (2021) (1)
- A Spring-Dashpot-String Element for Modeling Spinal Column Dynamics (2002) (1)
- A Hybrid Scheme for the Singular Value Decomposition on a Multiprocessor (1991) (1)
- High speed computer and algorithm organization : [proceedings of the Symposium on High Speed Computer and Algorithm Organization, held at the University of Illinois April 13-15, 1977] (1977) (1)
- Parallel Solution of Large Sparse Linear Systems by a Balance Scheme Preconditioner (1998) (1)
- Papers to be Published in the Next Issue September 1977 (1977) (1)
- Walter Gautschi, Volume 2 (2014) (1)
- Parallel Sparse Linear System and Eigenvalue Problem Solvers: From Multicore to Petascale Computing (2015) (1)
- Special issue on parallel matrix algorithms and applications (2002) (1)
- Parallel iterative algorithms for large sparse linear systems (2009) (0)
- Eigenvalue and Singular-Value Problems (2011) (0)
- A new approach for solving perturbed symmetric eigenvalue problems (1992) (0)
- Biography of Walter Gautschi (2014) (0)
- Simulation and Validation of Structural Models (2009) (0)
- The Symmetric Eigenvalue and Singular-Value Problems (2016) (0)
- Preconditioned schemes for nonsymmetric saddle-point problems (2004) (0)
- Adaptive Erasure Coded Fault Tolerant Linear System Solver (2021) (0)
- A New Trace Minimization Algorithm for the Generalized Symmetric Eigenvalue Problem (1999) (0)
- General Linear Systems (2016) (0)
- Center for supercomputing research and development (Cedar). Progress report, January 25, 1985-January 24, 1986 (1986) (0)
- The updated subspaces method in optimization and in solving linear systems of equations (1989) (0)
- Modeling and Simulation of Human Lumbar Spine (2008) (0)
- Matrix Functions and the Determinant (2016) (0)
- A Robust Parallel Iterative Solver for Sparse Nonsymmetric Linear Systems (0)
- Computational Mathematics Abstracts / CAC No. 90 (1973) (0)
- Recurrences and Triangular Systems (2016) (0)
- A Computing Platform for Parallel Sparse Matrix Computations (2016) (0)
- A Feature Complete SPIKE Banded Algorithm and Solver (2018) (0)
- Dimension and Shape Invariant Array Programming (2002) (0)
- Matrix computations on shared-memory multiprocessors (1988) (0)
- Large Symmetric Eigenvalue Problems (2016) (0)
- Preconditioning linear systems of the Navier – Stokes equations (2005) (0)
- Parallel Hybrid Sparse Linear System Solvers (2020) (0)
- W02-1-(3) PRECONDITIONING OF LINEAR SYSTEMS IN FLUID FLOW SIMULATIONS(International Minisymposium on Challenger and Advances in Flow Simulation and Modeling,Mechanical Engineering Congress, 2005 Japan (MECJ-05)) (2005) (0)
- Analysis ofRounding Methods inFloating-Point Arithmetic (1977) (0)
- Computational science and engineering (1993) (0)
- Banded Linear Systems (2016) (0)
- Computational Science and Engineering: Guest Editors' Introduction (1993) (0)
- A Note on Computational Methods for Input-Output Econometric Models (1975) (0)
- A communication-efficient linear system solver for large eddy simulation of jet engine noise (2011) (0)
- Prepared for the special issue of Computational Mechanics on Computational Fluid Mechanics and Fluid–Structure Interaction (2011) (0)
- ON THE INTERMEDIATE EIGENVALUES OF SYMMETRIC (1975) (0)
- Linear Least Squares and Orthogonal Factorization (2011) (0)
- Orthogonal Factorization and Linear Least Squares Problems (2016) (0)
- Parallel hybrid sparse system solvers (2009) (0)
- Walter Gautschi, Volume 1: Selected Works with Commentaries (2013) (0)
- International Workshop on Parallel Matrix Algorithms and Applications Parallel Restricted Maximum Likelihood Estimation for Linear Models with a Dense Exogenous Matrix. Iterative Methods Least-squares Polynomial Preconditioners for Symmetric Indefinite Linear Parallel Computation of Generalized Eige (2000) (0)
- Parallel machine architecture and compiler design facilities (1990) (0)
- 1 The Idea of PSPIKE (2012) (0)
- Loop Tiling (2011) (0)
- Quantifying and Tuning Entanglement for Spin Systems (2009) (0)
- Parallel Row Projection Algorithms for Nonsymmetric Systems (1989) (0)
- Linear Algebra, Numerical (2011) (0)
- Autonomous Flight Take-off in Flapping Wing Aerial Vehicles (2019) (0)
- Iterative Schemes for Large Linear Systems (2016) (0)
- Walter Gautschi : selected works with commentaries (2014) (0)
- Dense Linear System Solvers (2011) (0)
- Embedding SAS approach into conjugate gradient algorithms for asymmetric 3D elasticity problems (1996) (0)
- Parallel Numerical Algorithms and Software (1999) (0)
- Walter Gautschi, Volume 1 (2014) (0)
- Security in Mobile Agent Systems: A Model to Protect Against Malicious Host Attacks (2001) (0)
- New Methodology for Achieving Trim Condition for a small Flapping Wing Air Vehicle (2020) (0)
- Calibrating Camera Shake Photographs Using Parallel DeConvolution (2010) (0)
- A parallel eigenvalue problem solver for computational nanoelectronics (2007) (0)
- 1 Simulation and Validation of Structural Models (2009) (0)
- Parallel Algorithms for the Generalized Stokes Problem (1995) (0)
- Computational techniques for input-output econometric models / CAC No. 134 (1974) (0)
- Computing the Matrix Pseudospectrum (2016) (0)

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## What Schools Are Affiliated With Ahmed Sameh?

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