NUMERICAL LINEAR ALGEBRA

DAY

 

Thursday 10 November 2011

Department of Mathematics,

University of Athens

 

9:15-9:30     Opening Remarks

9:30-10:00   Claude Brezinski, Université des Sciences et Technologies de Lille, France.

                       “The PageRank problem”

10:00-10:30 Apostolos Hadjidimos, University of Thessaly,Volos.

                       “Irreducibility and extensions of Ostrowski’s Theorem”

10:30-11:00 Efstratios Gallopoulos, University of Patras.

                       “Functional rankings with multidampting: Generalizing PageRank with inhomogeneous matrix products”

 

 

COFFEE BREAK

 

 

11:30-12:00 Nikolaos Missirlis, University of Athens.

                       “Iterative methods for solving Laplacian systems for graphs”

12:00-12:30 Dimitrios Noutsos, University of Ioannina.

                         “Solution of ill conditioned Toeplitz systems by preconditioned conjugate gradient methods”

12:30-13:00 Paris Vassalos,  Athens University of Economics and Bussiness.

                       “Trigonometric matrix algebras can be spectrally equivalent with ill-condition Toeplitz matrices”

 

                                                                                                                 

13:30-15:30 MATLAB Workshop

                      Solving typical numerical analysis problems

                      using parallel computing capabilities.

 

                      Stelios Kondilis, Giannis Kalofolias, University of Patras.

                      “Towards a Spike implementation on the MATLAB Parallel Computing Toolbox”

 

16.00-16.20 Christos Kravvaritis, Technical University of Munich, Germany.

                       “The good pivots property of Hadamard Matrices and related issues”

16:20-16:40 Maria Louka, University of Athens.

                       “Preconditioning augmented linear systems”

16.40-17:00 Dimitrios Triantafyllou,  University of Athens.

                       “Numerical Linear Algebra methods for image denoising and deblurring”

17:00-17:20 Aikaterini Dimitrakopoulou, University of Athens.

                                “The nine neighbor Extrapolated Diffusion method for weighted torus graphs”

 

         COFFEE BREAK

Software Presentation                                                               

17:45-17:55 Ioannis Vassilopoulos, University of Athens.                             

                      “Computing pivot patterns of Hadamard matrices”

17:55-18:05 Evgenia-Maria Kontopoulou, University of Patras.

                      “TMG: A MATLAB tool for text mining”

 

18:15-18.35 Paraskevi Fika, University of Athens.

                       “An extrapolation method estimating the trace of the inverse of matrices”

18.35-18:55 Vasilis Kalantzis, University of Patras.

                       “Some projection methods for estimating the diagonal of a matrix inverse”

18:55-19:15 Anna Karapiperi, University of Athens.

                       “Different approaches evaluating minors for Hadamard matrices”

19:15-19:35 Stelios Kondilis, University of Patras.

Room Ã31, 3rd floor