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PUBLICATIONS  GRANTS  GRADUATE-STUDENTS  LECTURES  CITATIONS  

TEACHING

RESEARCH MILESTONES

1) Design of new parallel (so-called s-step) iterative methods for linear systems and eigenvalue problems (supported by NSF grants).

2) Application of parallel computing techniques to engineering problems (e.g. Traffic Flow Simulation, Computational Fluid Dynamics (CFD) for Aircraft movement) (supported by the Minnesota Department of Transportation and NASA grants).

3) A Petaflop parallel system design study (supported by an NSF grant).

4) Scheduling and Load Balancing methods for Distributed Computing ( e.g. Dynamic Loop scheduling for heterogeneous distributed  systems, Application of Game Theory Methods to Load balancing in Distributed Systems) ( supported by a NASA grant).

5) Applications of Scheduling and Game Theory methods to  Standard and Wireless  Networks ( supported by NSF grants).

Our Parallel Iterative Algorithms have been implemented on state of the art High Performance Systems and exhibited the best performance (see publications):

(I) Enhancing the Performance of Conjugate Gradient Solvers on Graphic Processing Units, IEEE Transactions on Magnetics,  47(5),  pp.1162 – 1165, 2011.

(II) Early Evaluation of IBM BlueGene/P, Proceedings of the ACM/IEEE International Conference for High Performance Computing, Networking, Storage and Analysis (SC08), Austin, TX, November 15-21, 2008.

SELECTED PUBLICATIONS 

These publications must not be made available for duplication without the explicit permission of the copyright holders.

[J47] A. Bassias, A. T. Chronopoulos, Statistical Performance Analysis of the MUSIC Algorithm in Angular Sectors, 
Journal of Signal Processing, Vol.15, No.1, pp.37-46, January 2011

[J44] A. T. Chronopoulos, A. Kucherov, Block S-step Krylov Iterative Methods,
Numerical Linear Algebra with Applications, Vol. 17, Issue 1, pp. 3-15, January 2010  


[J33]  C. Tang, A. T. Chronopoulos, E. Yaprak, An Efficient Network Switch Scheduling for Real-Time Applications,
IEEE Transactions on Communications, Vol. 53, No. 3, pp. 401-407, March 2005  


[J22]  A. T. Chronopoulos, G. Wang, Parallel Solution of a Traffic Flow Simulation 
Problem, Parallel Computing, Volume 22, pp. 1965-1983, 1997

[J21]    A. T. Chronopoulos, G. Wang, Traffic Flow Simulation through Parallel Processing, 
Transportation Research Record, Volume 1566, pp. 31-38, 1996 

[J18]    A. T. Chronopoulos, C. D. Swanson, Parallel Iterative S-step Methods for Unsymmetric Linear
 Systems, Parallel Computing. Volume 22/5, pp. 623-641, 1996 


[C34]  S. Penmatsa, A. T. Chronopoulos, N. T. Karonis, B. Toonen,  Implementation of Distributed Loop Scheduling Schemes on the TeraGrid, 
Proceedings of the 21st IEEE International Parallel and Distributed Processing Symposium (IPDPS 2007),  4th High-Performance 
Grid Computing Workshop, Long Beach, California, USA, pp. 1-8, March 26-30  2007

[C33]  S. Penmatsa, A. T. Chronopoulos. Dynamic Multi-User Load Balancing in Distributed 
Systems, Proceedings of the 21st IEEE International Parallel and Distributed Processing 
Symposium (IPDPS 2007), Long Beach, California, USA, pp. 1-10, March 26-30  2007

[C31]  S. Penmatsa, A. T. Chronopoulos, Price-based User-optimal Job Allocation Scheme for 
Grid Clusters,  Proceedings of IEEE IPDPS 2006, The 20th IEEE International 
Parallel & Distributed  Processing Symposium, Rhodes, Greece, pp. 1-8, 25-29 April 2006

[C30]  S. Penmatsa, A. T. Chronopoulos,  Cooperative Load Balancing for a Network of Heterogeneous Computers,Proceedings of IEEE IPDPS 2006, 
The 20th IEEE International Parallel & Distributed Processing Symposium, Rhodes, 
Greece, pp. 1-8, 25-29 April 2006

[C23]  S. Penmatsa, A. T. Chronopoulos, Job Allocation Schemes in Computational Grids based on Cost Optimization, 
Proceedings of IEEE IPDPS 2005, 19th International Parallel & Distributed Processing 
Symposium,  Denver, Colorado, pp. 180-187, April 2005

[OP1]  A. T. Chronopoulos, A Class of Parallel Iterative Methods Implemented on Multiprocessors, Ph. D. thesis, Technical Report UIUCDCS-R-86-1267, 
Department of Computer Science,University of Illinois, Urbana, Illinois, pp. 1-116, 1986

PROGRAM  COMMITTEES

      (9) IEEE International Conference on Computational Science and Engineering (track Cluster, Grid, Cloud and P2P Computing) (2010) 

     (8) IEEE International Parallel and Distributed Processing Symposium (IPDPS)
            High-Performance Grid Computing Workshop (HPGC), (2006-2012);
      (7) IEEE International Symposium on Network Computing and Applications (2004-2012);
      (6) IEEE International Conference on Computing in Engineering, Science and Information (April 2-9, 2009,
            California State University, Fullerton, CA, USA);
      (5) 12th IFAC Symposium on Transportation Systems (CTS'09) (Sept. 2-4, 2009, Redondo Beach, CA, USA);
      (4) Conference in Numerical Analysis (NumAn 2007), Recent Approaches To Numerical Analysis: Theory,
            Methods and Applications (September 3-7, 2007, Kalamata,  Greece, http://www.math.upatras.gr/numan2007/ );
      (3) IEEE/WIC/ACM Conference on Web Intelligence, International Workshop on Incentive
            Based Computing (2005); International Workshop on Incentive-Based Computing (IBC'06),
            26th IEEE International Conference on Distributed Computing Systems (2006);
      (2) Workshop on Modeling and Control of Complex Systems (June 30-July 1, 2005, Cyprus).
      (1) Intl. Symposium on Parallel and Distributed Computing (ISPDC'02) Iasi, Romania, July 17-20, 2002.

BIOGRAPHY

Dr. Chronopoulos is an IEEE Senior member (since 1998) and a member of ACM and SIAM. Dr. Chronopoulos has published 100  journal and refereed conference proceedings publications in the areas: Computational Science and Engineering, Distributed and Parallel Computing, High Performance Computing. Dr. Chronopoulos has performed research funded by  15 external grants. Dr. Chronopoulos has (co-)supervised/completed 5 Ph.D. dissertations and 15 Master's thesis. Dr. Chronopoulos publications have  over 1000 non co-authors citations. 

EDUCATION

 University of Illinois at Urbana-Champaign (Ph.D., Major Computer Science)

 University of Minnesota, MPLS (M.Sc., Major Mathematics/Minor Statistics)

 University of Athens (B.Sc., Major Mathematics and Computer Science), Greece

 Highschool at the historic town of PYLOS-MESSINIA-GREECE

           Chronopoulos <- Gear <- Taub <- Robertson <- Bell <- Cole <- Felix Klein <- Lipschitz <- Dirichlet <- Poisson / Fourier <- Lagrange <- Euler <-Johann Bernoulli <- Jacob Bernoulli <- Leibniz <- Weigel

NEWS

(1) Our recent research article on Noncooperative Game Theory Applied to Load Balancing was 1st, in The ScienceDirect TOP25 Hottest Articles (JUL-SEP 2005): (http://top25.sciencedirect.com/?journal_id=07437315)

(2) OPNET Modeling Excellence Award, for outstanding paper "Adaptive buffer threshold updating for an ATM switch", The Third IEEE Symposium on Computers and Communications", pp. 400-405,  1998 (co-authored with X. Yi)