Chen Greif | Academic Influence

Chen Greif's AcademicInfluence.com Rankings

Chen Greif

Computer Science

#11713

World Rank

#12445

Historical Rank

Database

#9529

World Rank

#10045

Historical Rank

computer-science Degrees

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Computer Science

Chen Greif's Degrees

PhD Computer Science University of British Columbia
Masters Computer Science University of British Columbia
Bachelors Computer Science University of British Columbia

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Why Is Chen Greif Influential?

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According to Wikipedia, Chen Greif is a professor and former department head of computer science at the University of British Columbia. In March 2022 he was elected a fellow of the Society for Industrial and Applied Mathematics for "contributions to scientific computing, especially in numerical linear algebra and its applications."

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Chen Greif's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

ℓ1-Sparse reconstruction of sharp point set surfaces (2010) (184)
On Solving Block-Structured Indefinite Linear Systems (2003) (161)
A First Course in Numerical Methods (2011) (145)
A mixed finite element method with exactly divergence-free velocities for incompressible magnetohydrodynamics (2010) (140)
An Arnoldi-type algorithm for computing page rank (2006) (126)
Preconditioners for the discretized time‐harmonic Maxwell equations in mixed form (2007) (110)
Space-time surface reconstruction using incompressible flow (2008) (93)
An Inner-Outer Iteration for Computing PageRank (2010) (78)
Preconditioners for saddle point linear systems with highly singular blocks. (2006) (64)
Restoring the missing vorticity in advection-projection fluid solvers (2015) (60)
Fast Matrix Computations for Pairwise and Columnwise Commute Times and Katz Scores (2011) (58)
A Multipreconditioned Conjugate Gradient Algorithm (2005) (57)
A Preconditioner for Linear Systems Arising From Interior Point Optimization Methods (2007) (55)
Bounds on Eigenvalues of Matrices Arising from Interior-Point Methods (2012) (54)
Simulating rigid body fracture with surface meshes (2015) (37)
An Algebraic Analysis of a Block Diagonal Preconditioner for Saddle Point Systems (2005) (36)
The power and Arnoldi methods in an algebra of circulants (2011) (32)
Iterative Solution of Cyclically Reduced Systems Arising from Discretization of the Three-Dimensional Convection-Diffusion Equation (1998) (32)
Block Stationary Methods for Nonsymmetric Cyclically Reduced Systems Arising from Three-Dimensional Elliptic Equations (1999) (28)
Simultaneous registration and activation detection for fMRI (2003) (20)
Parallel numerical solution of the time‐harmonic Maxwell equations in mixed form (2012) (20)
A Sampler of Useful Computational Tools for Applied Geometry, Computer Graphics, and Image Processing (2015) (18)
SYM-ILDL: Incomplete LDLT Factorization of Symmetric Indefinite and Skew-Symmetric Matrices (2015) (17)
Fast Katz and Commuters: Efficient Estimation of Social Relatedness in Large Networks (2010) (16)
On Nonsingular Saddle-Point Systems with a Maximally Rank Deficient Leading Block (2015) (16)
Iterative Solution of Skew-Symmetric Linear Systems (2009) (16)
GMRES with multiple preconditioners (2017) (16)
Milestones in Matrix Computation - Selected Works of Gene H. Golub, with Commentaries (2007) (15)
Preconditioners for Mixed Finite Element Discretizations of Incompressible MHD Equations (2017) (15)
Minimizing the Condition Number for Small Rank Modifications (2006) (15)
Additive Schwarz with variable weights (2014) (14)
A Scalable Approximate Inverse Block Preconditioner for an Incompressible Magnetohydrodynamics Model Problem (2020) (13)
Dip transform for 3D shape reconstruction (2017) (12)
SYM-ILDL (2015) (12)
Three results on the PageRank vector: eigenstructure, sensitivity, and the derivative (2007) (12)
Augmented Lagrangian Techniques for Solving Saddle Point Linear Systems (2004) (11)
MPGMRES : A GENERALIZED MINIMUM RESIDUAL METHOD WITH MULTIPLE PRECONDITIONERS (2012) (10)
A closed-form multigrid smoothing factor for an additive Vanka-type smoother applied to the Poisson equation (2021) (9)
Towards an optimal condition number of certain augmented Lagrangian‐type saddle‐point matrices (2016) (8)
An analysis of low-rank modifications of preconditioners for saddle point systems (2010) (7)
SPMR: A Family of Saddle-Point Minimum Residual Solvers (2018) (7)
Conjugate gradient for nonsingular saddle-point systems with a maximally rank-deficient leading block (2019) (6)
Closed-form multigrid smoothing factors for lexicographic Gauss–Seidel (2012) (6)
Eigenvalue Bounds for Double Saddle-Point Systems (2021) (6)
A Note on the Convergence of SOR for the PageRank Problem (2011) (6)
Block Orderings for Tensor-Product Grids in Two and Three Dimensions (2002) (5)
Mstab: Stabilized Induced Dimension Reduction for Krylov Subspace Recycling (2018) (5)
Numerical Equivalences among Krylov Subspace Algorithms for Skew-Symmetric Matrices (2016) (4)
MULTI-PRECONDITIONED GMRES (2011) (4)
Eigenvalues and Singular Values (2022) (4)
Reduced Systems for Three-Dimensional Elliptic Equations with Variable Coefficients (1999) (3)
A stabilized multigrid solver for hyperelastic image registration (2017) (3)
Analysis of cyclic reduction for the numerical solution of three-dimensional convection-diffusion equations (1998) (3)
Incomplete LDL T Factorization of Symmetric Indefinite and Skew-Symmetric Matrices (2018) (3)
The d2-transformation for infinite double series and the D2-transformation for infinite double integrals (1998) (2)
Optimal Complex Relaxation Parameters in Multigrid for Complex-Shifted Linear Systems (2021) (2)
Chapter 15: Numerical Integration (2011) (2)
Chapter 9: Nonlinear Systems and Optimization (2011) (2)
Simulating Rigid Body Fracture with Surface Meshes ( Supplemental Material ) (2015) (2)
Chapter 16: Differential Equations (2011) (1)
Overcoming activation-induced registration errors in fMRI (2003) (1)
Numerical Solution of Linear Eigenvalue Problems (2016) (1)
Nonlinear Systems and Optimization (2011) (1)
Chapter 11: Piecewise Polynomial Interpolation (2011) (1)
Eigenvalue Bounds for Saddle-Point Systems with Singular Leading Blocks (2022) (1)
Piecewise Polynomial Interpolation (2011) (1)
Structured shifts for skew-symmetric matrices (2022) (1)
Linear Systems: Direct Methods (2011) (0)
Nonlinear Equations in One Variable (2011) (0)
Chapter 8: Eigenvalues and Singular Values (2011) (0)
An Inner/Outer Stationary Iteration for Computing PageRank (2007) (0)
A note on using the mass matrix as a preconditioner for the Poisson equation (2021) (0)
Chapter 6: Linear Least Squares Problems (2011) (0)
Chapter 13: Fourier Transform (2011) (0)
Chapter 2: Roundoff Errors (2011) (0)
Commentary on Matrix Factorizations and Applications (2007) (0)
Preface to the 18th ILAS Conference Proceedings, Providence, 2013 (2015) (0)
HSS(0): an Improved Hermitian/Skew-Hermitian Splitting Iteration (2021) (0)
Linear Least Squares Problems (2011) (0)
Laplace and Poisson (2015) (0)
Chapter 1: Numerical Algorithms (2011) (0)
A Cross Eigenvalue Condition Matrix ∗ (2009) (0)
Chapter 10: Polynomial Interpolation (2011) (0)
Linear Systems: Iterative Methods (2011) (0)
Analytical Geometry . . . . . . . . . . . . . . . . . . . . . . . . . . Olga Sorkine-Hornung and Daniel Cohen-Or (2015) (0)
Linear Algebra Background (2011) (0)
GMRES with multiple preconditioners (2016) (0)
Chapter 7: Linear Systems: Iterative Methods (2011) (0)
An efficient linear programming solver for optimal filter synthesis (2007) (0)
Chapter 3: Nonlinear Equations in One Variable (2011) (0)
The D 2 -transformation for Innnite Double Series and the D 2 -transformation for Innnite Double Integrals (0)
Gene H. Golub Biography (2007) (0)
Chapter 14: Numerical Differentiation (2011) (0)
Chapter 5: Linear Systems: Direct Methods (2011) (0)
A box‐shaped cyclically reduced operator (2011) (0)
Chapter 4: Linear Algebra Background (2011) (0)
Solution of Linear Systems (2015) (0)
Chapter 12: Best Approximation (2011) (0)
Augmentation-Based Preconditioners for Saddle-Point Systems with Singular Leading Blocks (2022) (0)
Block preconditioners for the Marker and Cell discretization of the Stokes-Darcy equations (2022) (0)
Report on BIRS Workshop 09w5101: Advances and Perspectives on Numerical Methods for Saddle Point Problems (2009) (0)

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What Schools Are Affiliated With Chen Greif?

Chen Greif is affiliated with the following schools:

University of British Columbia