Jun ZOU

He is an Associate Professor in Department of Mathematics of The Chinese University of Hong Kong . Before taking up his current position in Hong Kong, he had worked two years (93-95) in University of California at Los Angeles (USA) as a CAM Assistant Professor , worked two and a half years (91-93) in Technical University of Munich (Germany) as a Visiting Assistant Professor and as an Alexander von Humboldt Research Fellow , and worked two years (89-91) in Chinese Academy of Sciences (Beijing) as an Assistant Professor. Recently, he has been listed in Marquis Who'sWho in Science and Engineering , and Marquis Who'sWho in the World.

 

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Publications in Refereed Journals:

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(with Qiya Hu) Two new variants of nonlinear inexact Uzawa algorithms for saddle-point problems. Accepted for publication in Numerische Mathematik (compressed postscript)
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(with Tsz Shun Chung) A finite volume method for Maxwell's equations with discontinuous physical coefficients, Inter'l J. Appl. Math. 7 (2001), 201--223. (compressed postscript)
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(with Jianguo Huang) A Mortar Element Method for Elliptic Problems with Discontinuous Coefficients. Accepted for publication in IMA J Numer. Anal. (compressed postscript)
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(with K. Chan, K.Zhang and G. Schubert) A nonlinear vacillating dynamo induced by an electrically heterogeneous mantle. Accepted for publication in Geophysics Research Letters. (compressed postscript)
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(with K. Chan, K.Zhang and G. Schubert) A nonlinear 3-D spherical alpha-square dynamo using a finite element method. Accepted for publication in Physics of the Earth and Planetary Interiors. (compressed postscript)
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(with Ben-yu Guo) An augmented Lagrangian method for parameter identifications in parabolic systems. Accepted for publication in Journal of Mathematical Analaysis and Applications. (compressed postscript)
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(with Qiya Hu) An iterative method with variable relaxation parameters for saddle-point problems, SIAM J. Matrix Anal. Appl. 23 (2001), 317--338. (compressed postscript)
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(with Heinz W. Engl) A new approach to convergence rate analysis of Tikhonov regularization for parameter identification in heat conduction, Inverse Problems 16 (2000), 1907--1923. (compressed postscript)
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(with Z. Chen and Q. Du) Finite element methods with matching and non-matching meshes for Maxwell equations with discontinuous coefficients, SIAM J. Numer. Anal. 37 (2000), 1542--1570. (compressed postscript)
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(with Masahiro Yamamoto) Simultanenous reconstruction of the initial temperature and heat radiative coefficient, Inverse Problems 17 (2001), 1181-1202. (compressed postscript)
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(with Kazi Ito) Identification of some source densities of the distribution type, J. Comput. Appl. Math. 132 (2001), 295-308. (compressed postscript)
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(with Y.L. Keung) An efficient linear solver for nonlinear parameter identification problems, SIAM J. Sci. Comput., 22 (2000), pp. 1511-1526. (compressed postscript)
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(with Chang-Pu Sun and Kenneth Young) Numerical algorithms for the determination of the potential of a conservative system from its normal mode spectra, Journal of Physics A-Mathematical and General, 32 (1999), 3833-3849. (compressed postscript)
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(with P. Ciarlet) Fully discrete finite element approaches for time-dependent Maxwell's equations, Numerische Mathematik 82 (1999), 193--219. (compressed postscript) (the original publication available at www.springer.de)
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(with H.T. Banks) Regularity and approximation of systems arising in electromagnetic interrogation of dielectric material, Numer. Funct. Anal. Optimiz. 20: 7&8 (1999), 609-627. (compressed postscript)
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(with Z. Chen) An augmented Lagrangian method for identifying discontinuous parameters in elliptic systems, SIAM J. Control Optim. 37 (1999), 892-910. (compressed postscript)
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(with K. Kunisch) Iterative choices of regularization parameters in linear inverse problems, Inverse Problems, 14 (1998), 1247--1264. (compressed postscript)
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Numerical methods for elliptic inverse problems, Int. J. Comput. Math. 70 (1998), 211--232.
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(with Z. Li and D. Wang) Theoretical and numerical analysis on a thermo-elastic system with discontinuities, J. Comput. Appl. Math. 92 (1998), 37--58. (compressed postscript)
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(with J. Xu) Some nonoverlapping domain decomposition methods, SIAM Review 40:4 (1998), 857--914. (compressed postscript)
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(with X.-L. Cheng and H.-C. Huang) Quadrilateral finite elements for planar linear elasticity problem with large Lame constant, J. Comput. Math. 16:4 (1998), 357--366. (compressed postscript)
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(with Y.L. Keung) Numerical identifications of parameters in parabolic systems,
Inverse Problems 14 (1998), 83--100. (compressed postscript)
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(with T. Chan and S. Go) Boundary treatments for multilevel methods on unstructured meshes,
SIAM J. Sci. Comput. 21 (1999), 46--66. (compressed postscript)
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(with Z. Chen) Finite element methods and their convergence for elliptic and parabolic interface problems, Numerische Mathematik 79 (1998), 175--202. (compressed postscript) .
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(with K.-H. Hoffmann) Finite element analysis on the Lawrence-Doniach model for layered superconductors, Numer. Funct. Anal. Optimiz. 18:5&6 (1997), 567-589. (compressed postscript)
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(with P. Ciarlet) Finite element convergence for the Darwin model to Maxwell's equations, RAIRO Math. Modelling Numer. Anal. 31:2 (1997), 213--250. (compressed postscript)
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(with T.F. Chan) A convergence theory of multilevel additive Schwarz methods on unstructured meshes, Numerical Algorithms 13 (1996), 365--398. (compressed postscript) .
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(with T.F. Chan and B. Smith) Overlapping Schwarz methods on unstructured meshes using non-matching coarse grids, Numerische Mathematik 73 (1996), 149--167. (compressed postscript)
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(with K.-H. Hoffmann) Parallel solution of variational inequality problems with nonlinear source terms, IMA J. Numer. Anal. 16:1(1996), 31--45.
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Finite element approximation for nonlinear systems describing multi-component phase transitions with dissipation, J. Intelligent Mat. Sys. Struct. 6:1 (1995), 38--48.
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(with K.-H. Hoffmann) Finite element approximations of Landau-Ginzburg's equation model for structural phase transitions in shape memory alloys, RAIRO Math. Modelling Numer. Anal. 29:6 (1995), 629--655. (compressed postscript)
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(with K.-H. Hoffmann) The existence and uniqueness of global solutions to a mathematical model for shape memory alloys, Advances in Math. Sci. and Appl. 5:2 (1995), 343--362.
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(with T.F. Chan) Additive Schwarz domain decomposition methods for elliptic problems on unstructured meshes, Numerical Algorithms 8 (1994), 329--346.
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(with K.-H. Hoffmann) Parallel efficiency of domain decomposition methods, Parallel Computing 19 (1993), 1375--1391.
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(with K.-H. Hoffmann) Parallel algorithms of Schwarz variant for the variational inequalities, Numer. Funct. Anal. Optimiz. 13 (1992), 449--462.
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(with H.-C. Huang) Schwarz chaotic relaxation (S-COR) method and synchronous/asynchronous parallel algorithms, Math. Numer. Sinica 14(1992), 102--106.
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(with H.-C. Huang) Algebraic subproblem decomposition methods and parallel algorithms with monotone convergence, J. Comput. Math. 10 (1992), 47--59.
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(with H.-C. Huang) A posteriori error estimates for the h-p version of the finite element method for 1-D problem, Math. Numer. Sinica 12 (1990), 302--317.
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A class of nonlinear variational inequalities and their numerical approximations, Journal of Mathematics (China) 9 (1989), 33--42. d
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A new fast solver-- monotone MG method (MMG), J. Comput. Math. 5 (1987), 325--335.
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Publications in Intern'l Conference Proceedings and Books:
A fictitious domain method for parabolic problems and its finite element approximation, Advances in Scientific Computing, editors: Z.-C. Shi, M. Mu, W.-M. Xue and J. Zou, Science Press, Beijing/New York, 2001, pp. 236--243.
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(with T.F. Chan and S. Go ) Multilevel spectral partitioning of unstructured grids, Proceedings of the 11th International Conference on Domain Decomposition Methods, editors: C.-H. Lai, P. Bjorstad, M. Cross and O. Widlund. DDM.org, USA, 1999, pp. 190--196.
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(with Y.L. Keung) Finite element methods for solving parabolic inverse problems, High Performance Optimization Techniques, editors: H. Frenk, K. Roos., T. Terlaky and S. Zhang. Kluwer Academic Publishers, Netherland, 1999, pp. 373--388.
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(with Y. Seid) Identifying parameters in elliptic systems by finite element methods with multi-level initializing techniques, Recent Advances in Differential Equations, editors: P.L. Sachdev and H.-H. Dai. Addison Wesley Longman, Edinburgh, 1998, pp. 213--228. (compressed postscript) .
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(with Z. Chen) An efficient finite element method for interface problems, Scientific Computing, editors: G. Golub, S.H. Lui, F. Luk and R. Plemmons, Springer-Verlag, 1997, pp. 188--194.
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(with T.F. Chan and S. Go ) Multilevel domain decomposition and multigrid methods for unstructured meshes: algorithms and theory,
in Domain Decomposition Methods in Science and Engineering, editors: R. Glowinski, J. Periaux, Z.-C. Shi and O. Widlund, John Wiley and Sons, 1997, pp. 159-176. (compressed postscript) .
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(with T.F. Chan and B. Smith) Multigrid and domain decomposition methods for unstructured meshes, Proceedings of the 3rd International Conference on Numerical Methods and Applications NM & A - O(h^3), Sofia, Bulgaria, 1994, pp. 53--62.
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Finite element approximation to a nonlinear system describing multi-component phase transitions with dissipation, Proceedings of Second International Conference on Intelligent Materials, Virginia, USA, 1994, pp. 1348--1359.
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Submitted Papers:
(with Ben-yu Guo) AN AUGMENTED LAGRANGIAN METHOD FOR PARAMETER IDENTIFICATIONS IN PARABOLIC SYSTEMS. (compressed postscript)
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(with Tsz Shun Chung) A finite volume method for Maxwell's equations with discontinuous physical coefficients. (compressed postscript)
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(with Tsz Shun Chung) The eigenvalues and eigenspaces of some discrete div- and curl-related operators. (compressed postscript)
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(with Xiao-Chuan Cai) Some observations on the L2 convergence of the additive Schwarz preconditioned GMRES method. (compressed postscript)
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(with Jianguo Huang) A Mortar Element Method for Elliptic Problems with Discontinuous Coefficients. (compressed postscript)
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(with Xiao-liang Cheng) An inexact Uzawa-type iterative method for solving saddle point problems. (compressed postscript)
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(with Qiya Hu) On nonlinear inexact Uzawa algorithms for saddle-point problems. (compressed postscript)
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(with Jianguo Huang) Construction of Explicit Extension Operators on General Finite Element Grids. (compressed postscript)

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Invited Talks in Conferences/Workshops
(30-min) Simultaneous reconstruction of the heat radiation coefficient and initial data, International Conference on Differential Equations from Mechnics, May 31--June 5, 1999, Shatin, Hong Kong.
(50-min talk) On some regularized numerical identification methods, Conference on Mathematical Theory and Numerical Analysis for Inverse Problems, January 18-22, 1999, Kiryu, Japan.
(30-min talk) On some nonlinear inverse problem solvers, Workshop on Numerical Partial Differential Equations, January 13, 1999, Clear Water Bay, Hong Kong.
(30-min talk) Regularity and approximation of systems arising in electromagnetic interrogation of dielectric materials, Workshop on Scientific Computing and its Applications, Dec. 7--10, 1998, Kowloon, Hong Kong.
(45-min talk) Numerical methods for determination of physical parameters and potentials, International Conference on Inverse Problems, September 28 - October 2, 1998, Vietri sul mare (Salerno), Italy.
(One-hour talk) Non-overlapping domain decomposition methods, The Seventh International Colloquium on Numerical Analysis and Computer Science with Applications, August 13-17, 1998, Plovdiv, Bulgaria.
(One-hour talk) Elliptic and parabolic inverse problems: algorithms and analysis, The Ninth International Colloquium on Differential Equations,
August 18-23, 1998, Plovdiv, Bulgaria.
(40-min talk) Efficient linear solvers for some nonlinear inverse problems, Workshop on Numerical PDEs, April 28, 1998, Hong Kong.
(40-min talk) Numerical methods for inverse problems and their convergence analyses, The Joint Chinese-Swedish Conference in Numerical Analysis,
October 13-18, 1997, Stockholm, Sweden.
(30-min talk) Finite element methods for solving Maxwell's equations, China National Conference on Numerical Mathematics,
January 6-9, 1997, Xiangtan, China.
(30-min talk) Numerical solutions of elliptic and parabolic inverse problems, Hong Kong Mathematical Society Annual Meeting,
April 26, 1997, Hong Kong.
(30-min talk) Numerical algorithms and convergence analysis on parabolic inverse problems, The First Pan-China Conference on Differential equations,
May 31-June 3, 1997, Kuming, China.

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Presentations in Conferences/Workshops
Numerical solution of mildly nonlinear elliptic problems by monotone multigrid method (MMG), the Second National Conference on Finite Element Method, Chengdu, China, November 1986.
Parallel solution of a class of linear and nonlinear PDE problems by domain decomposition methods, the Second National Conference on Parallel Computation, Zhuoxian County, China, October 1989.
(with Jiangheng He) The construction of domain decomposition preconditioners for the biharmonic problems discretized by FEM, Intern'l Workshop on Continuous Optimization and Control, Augsburg, Germany, September 1991.
(with K.-H. Hoffmann) Domain decomposition methods for free boundary value problems, Intern'l Workshop on Continuous Optimization and Control , Irsee/Bavaria, Germany, July 1992.
(with K.-H. Hoffmann) Solution of the biharmonic problems by domain decomposition methods, German FORTWIHR-Symposium on Scientific Supercomputing, Munich, June 1993. Also in Research Report No. 387 (1992), pp. 1--14, DFG-SPP `` Anwendungsbezogene Optimierung und Steuerung '' , Tech. Univ. of Munich.
(with T. Chan and B. Smith) Additive Schwarz theory for unstructured meshes, Workshop on Computational and Applied Mathematics, Lake Arrowhead, California, February 16-18, 1994.
Finite element error estimates of fictitious domain methods for parabolic problems, the SIAM Annual Meeting, July 25--29, 1994, San Diego, USA. Also in CAM Report 94-6, pp. 1-11, Dept. of Math., Univ. of California at Los Angeles.
(with T. Chan and S. Go) Different coarse-to-fine interpolants and their performance in DD and MG methods on unstructured Meshes, Grid Adaption in Computational PDEs: Theory and Applications, Edinburgh, July 1-5, 1996.
(with P. Ciarlet) Fully-discrete finite element schmes for Maxwell's equations, Sixth International Conference on Hyperbolic Problems: Theory, Numerics, Applications, June 15-19, 1996, Hong Kong.
Optimization methods in solving elliptic and parabolic inverse problems, Intern'l Workshop on High Performance Optimization Techniques, Rotterdam, The Netherlands, Aug 20-22, 1997.
Multilevel methods on unstructured meshes, First Pacific Rim Conference on Mathematics, Hong Kong, Jan. 19--23, 1998.
Numerical determination of dielectric material defects and parameters, International Congress of Chinese Mathematicians 98, Beijing, Dec. 12--16, 1998.