Home Page of Irad Yavneh

	Irad Yavneh

CONTACT INFORMATION

Email:	irad@cs.technion.ac.il
Office:	618
Phone:	+972-4-829-4945

RESEARCH INTERESTS

Multigrid computational methods; scientific computing; image processing; computational fluid dynamics; geophysical turbulence; numerical analysis.

Performances

SELECTED PUBLICATIONS

Achi Brandt and Irad Yavneh.
Inadequacy of first-order upstream difference schemes for some recirculating flows.
J. Comput. Phys., 93(1):128-141, 1991.

Achi Brandt and Irad Yavneh.
On multigrid solution of high-Reynolds incompressible entering flows.
J. Comput. Phys., 101(1):151-164, 1992.

Achi Brandt and Irad Yavneh.
Accelerated multigrid convergence and high- Reynolds recirculating flows.
SIAM J. Sci. Comput., 14(3):607-626, 1993.

Irad Yavneh.
A method for devising efficient multigrid smoothers for complicated PDE systems.
SIAM J. Sci. Comput., 14(6):1437-1463, 1993.

Eli Tziperman, Irad Yavneh, and Shlomo Ta'asan.
Multilevel turbulence simulations.
Europhysics Lett., 24(4):239-244, 1993.

Yossef Rosenwaks, Irad Yavneh, and Arthur I. Nozik.
The effect of electric fields on time-resolved photoluminescence spectra in semiconductors.
J. Appl. Phys., 75(8):4255-4257, 1994.

James C. McWilliams, Jeffery B. Weiss, and Irad Yavneh.
Anisotropy and coherent vortex structures in planetary turbulence.
Science, 264(5157):410-413, 1994.

Y. Rosenwaks, B. R. Thacker, R. K. Ahrenkiel, A. J. Nozik, and Irad Yavneh.
Photogenerated carrier dynamics under the influence of electric fields in III-V semiconductors. Phys. Rev. B: Condensed matter, 50(3):1746-1754, 1994.

Irad Yavneh and James C. McWilliams.
Breakdown of the slow manifold in the shallow-water equations.
Geo. and Astr. Fluid Dyn., 75:131-161, 1994.

Irad Yavneh.
Multigrid smoothing factors of red-black Gauss-Seidel applied to a class of elliptic operators.
SIAM J. Numer. Anal., 32(6):1126-1138, 1995.

Irad Yavneh and James C. McWilliams.
Robust multigrid solution of the shallow-water balance equations.
J. Comput. Phys., 119:1-25, 1995.

Irad Yavneh.
On red-black SOR smoothing in multigrid.
SIAM J. Sci. Comput., 17(1):180-192, 1996.

Irad Yavneh and James C. McWilliams.
Multigrid solution of stably stratified flows: The quasigeostrophic equations.
J. Sci. Comput., 11(1):47-69, 1996.

Irad Yavneh.
Analysis of a fourth-order compact scheme for convection-diffusion.
J. Comput. Phys., 133:361-364, 1997.

Irad Yavneh, Alexander A. Shchepetkin, James C. McWilliams, and Lee P. Graves.
Multigrid solution of stably stratified flows: The balance equations and their turbulent dynamics.
J. Comput. Phys., 136(2):245-262, 1997.

Irad Yavneh, Cornelius H. Venner, and Achi Brandt.
Fast multigrid solution of the advection problem with closed characteristics.
SIAM J. Sci. Comput., 19(1):111-125, 1998.

Irad Yavneh.
Coarse-grid correction for nonelliptic and singular perturbation problems.
SIAM J. Sci. Comput., 19(5):1682-1699, 1998.

Irad Yavneh and Elena Olvovsky.
Multigrid smoothing for symmetric nine-point stencils.
Appl. Math. Comput., 92:229-246, 1998.

James C. McWilliams and Irad Yavneh.
Fluctuation growth and instability associated with a singularity of the balance equations.
Phys. Fluids, 10(10):2587-2596, 1998.

James C. McWilliams, Irad Yavneh, Michael J. P. Cullen, and Peter R. Gent.
The breakdown of large-scale flows in rotating stratified fluids.
Phys. Fluids, 10(12):3178-3184, 1998.

Amnon J. Meir and Irad Yavneh.
An elliptic problem with integral constraints, with application to large-scale geophysical flow.
Comput. Geosciences, 2:337-346, 1998.

James C. McWilliams, Jeffrey B. Weiss, and Irad Yavneh.
The vortices of homogeneous geostrophic turbulence.
J. Fluid Mech., 401:1-26, 1999.

Achi Brandt, Moshe Israeli, Irad Yavneh, and Andrew Siegel.
Multigrid solution of an elliptic boundary-value problem with integral constraints.
SIAM J. Sci. Comput., 21(4):1357-1369, 2000.

Amir Averbuch, Boris Epstein, Ludmila Ioffe, and Irad Yavneh.
Efficient parallelization of a three-dimensional Navier-Stokes solver on MIMD multiprocessors.
J. Supercomputing, 17:123-142, 2000.

Amir Averbuch, Moshe Israeli, Igor Ravve, and Irad Yavneh.
Computation for electro-migration in interconnects of microelectronic devices.
J. Comput. Phys., 167:316-371, 2001.

Boris Epstein, Amir Averbuch, and Irad Yavneh.
An accurate ENO driven multigrid method applied to 3D turbulent transonic flows.
J. Comput. Phys., 168(2):316-338, 2001.

M. Jeroen Molemaker, James C. McWilliams, and Irad Yavneh.
Instability and equilibration of centrifugally-stable stratified Taylor-Couette flow.
Phys. Rev. Lett., 86(23):5270-5273, 2001.

Andrew Siegel, Jeffrey B. Weiss, Juri Toomre, James C. McWilliams, Pavel Berloff, and Irad Yavneh.
Eddies and vortices in ocean basin dynamics.
Geo. Res. Lett., 28(16):3183-3186, 2001.

Joseph Gil, Zvi Gutterman, Shmuel Onn, and Irad Yavneh.
Automated transformations for PDE systems with application to multigrid solvers.
SIAM J. Sci. Comput., 24(3):886-904, 2003.

Ron Kimmel and Irad Yavneh.
An algebraic multigrid approach to image analysis.
SIAM J. Sci. Comput., 24(4):1218-1231, 2003.

Jacques Vanneste and Irad Yavneh.
Exponentially small inertia-gravity waves and the breakdown of quasi-geostrophic balance.
J. Atmos. Sci., 61(2), 2004

Gregory Dardyk and Irad Yavneh.
A multigrid approach to two-dimensional phase unwrapping.
Numerical Linear Algebra with Applications, 11:241-259, 2004.

McWilliams, J. C., Molemaker, M. J., and Yavneh, I.

Ageostrophic, Anticyclonic Instability of a Geostrophic, Barotropic Boundary Current.

Phys. Fluids 16 (10) 3720-3725 (2004).

Roichman, Y., Levine, D., and Yavneh, I.

Propagation of Interacting Force Chains in the Continuum Limit.

Phys. Rev. E 70 061301 (2004).

Molemaker, M. J., McWilliams, J. C., and Yavneh, I.

Baroclinic Instability and Loss of Balance.

J. Phys. Ocean. 35 (9) 1505-1517 (2005)

Koren, Y., Yavneh, I., and Spira, A.

A Multigrid Approach to the 1D Quantization Problem.

IEEE Trans. Information Theory 51 (8) 2993-2998 (2005).

Koren, Y. and Yavneh, I.

Adaptive Multiscale Redistribution for Vector Quantization'.

SIAM J. Sci. Comput. 27 (5) 1573-1593 (2006).

Yavneh, I., and Dardyk, G.

A Multilevel Nonlinear Method.

SIAM J. Sci. Comput. 28 (1) 24-46 (2006).

Bronstein, M. M., Bronstein, A. M., Kimmel, R., and Yavneh, I.

Multigrid Multidimensional Scaling.

Numer. Lin. Alg. Appl. 13 (2-3) 149-171 (2006).

Bar-Yehuda, R., and Yavneh, I.

A Factor-Two Approximation Algorithm for Two-Dimensional Phase-Unwrapping

J. Graph Algor. Appl. 10 (2) 123-139 (2006).

Vanneste, J., and Yavneh, I.

Unbalanced instabilities of rapidly rotating stratified shear flows.

J. Fluid. Mech. 584 373-396 (2007).

Shalem, I., and Yavneh, I.

A Multilevel Graph Algorithm for Two Dimensional Phase Unwrapping.

Computation and Visualization in Science 11 (2) 89-100 (2008).

Holtzmann-Gazit, M., and Yavneh, I.

A Scale-Consistent Approach to Image Completion.

Int. J. Multiscale Comput. Eng. 6 (6) 617-628 (2008).

Di Castro, D., Meir, R., and Yavneh, I.

Delays and Oscillations in Networks of Spiking Neurons – a Two Time Scale Analysis.

Neural Computation 21 (4) 1100-1124 (2009).

Gronau, I., Moran, S., and Yavneh, I.

Towards Optimal Distance Functions for Stochastic Substitution Models.

J. Theor. Biol. 260 294-307 (2009).

Elad, M., and Yavneh, I.

A Plurality of Sparse Representations is Better than the Sparsest One Alone.

IEEE Trans. Information Theory 55 (10) 4701-4714 (2009).

Wienands, R., and Yavneh, I.

Collocation Coarse Approximation in Multigrid.

SIAM J. Sci. Comput. 31 (5) 3643-3660 (2009).

Treister, E., and Yavneh, I.

Square & Stretch Multigrid for Stochastic Matrix Eigenproblems.

Numer. Lin. Alg. Appl. 17 (2-3) 229-251 (2010).

Knoll, Y., and Yavneh, I.

Scale Covariant Physics: a `Quantum Deformation' of Classical Electrodynamics.

Journal of Physics A: Mathematical and Theoretical 43 (2010) 055401 (22 pp).

Protter, M., Yavneh, I., and Elad, M.

Closed-Form MMSE Estimation for Signal Denoising Under Sparse Representation Modeling Over a Unitary Dictionary.

IEEE Trans. Signal Proc. 58 (7) 3471-3484 (2010).

Wasserman, M., Mor-Yossef, Y., Yavneh, I., and Greenberg, J. B.

A Robust Implicit Multigrid Method for RANS Equations with Two-Equation Turbulence Models.

J. Comput. Phys. 229 5820-5842 (2010).

Gronau, I., Moran, S., and Yavneh, I.

Adaptive Distance Measures for Resolving K2P Quartets: Metric Separation versus Stochastic Noise.

J. Comput. Biology 17 (11) 1391-1400 (2010).

Rodrigo, C., Gaspar, F. J., Oosterlee, C. W., and Yavneh, I.

Accuracy Measures and Fourier Analysis for the Full Multigrid Algorithm.

SIAM J. Sci. Comput. 32 (5) 3108-3129 (2010)

Turek, J. S., Yavneh, I., Protter, M., and Elad, M.

On MMSE and MAP Denoising Under Sparse Representation Modeling Over a Unitary Dictionary.

IEEE Trans. Signal Proc. 59 (8) 3526-3535 (2011)

Osherovich, E., Zibulevsky, M., and Yavneh, I.

Approximate Fourier Phase Information in the Phase Retrieval Problem: What it Gives and How to Use it.

J. Opt. Soc. Am. A 28 (10) 2124-2131 (2011)

de Sterck, H., Miller, K., Treister, E., and Yavneh, I.

Fast multilevel methods for Markov chains.

Numer. Lin. Alg. Appl. doi: 10.1002/nla.800 (2011)

Treister, E., and Yavneh, I.

On-the-Fly Adaptive Smoothed Aggregation Multigrid Applied to Markov Chains.

SIAM J. Sci. Comput. 33 (5) 2927-2949 (2011)

Bolten, M., Thiess, A., Yavneh, I., and Zeller, R.

Preconditioning Systems Arising from the KKR Green Function Method Using Block-Circulant Matrices.

Linear Algebra and its Applications 436 (2) 436-446 (2012)

Yavneh, I., and Weinzierl, M.

Nonsymmetric Black Box Multigrid with Coarsening by Three.

Numer. Lin. Alg. Appl. 19 (2) 194-209 (2012), DOI: 10.1002/nla.1813

Szameit, A., Shechtman, Y., Osherovich, E., Bullkich, E., Sidorenko, P., Dana, H.,

Steiner, S., Kley, E. B., Gazit, S., Cohen-Hyams, T., Shoham, S., Zibulevsky, M.,

Yavneh, I., Eldar, Y. C., Cohen, O., and Segev, M.

Sparsity-Based Single-Shot Subwavelength Coherent Diffractive Imaging.

Nature Materials 11 455–459 (2012), DOI:10.1038/nmat3289

Treister, E. and Yavneh, I.

A Multilevel Iterated-Shrinkage Approach to l(1) Penalized Least-Squares Minimization.

IEEE Trans. Signal Proc. 60 (12) 6319-6329 (2012) DOI: 10.1109/TSP.2012.2218807