PUBLICATION LIST

 

 

[1]  MR0639182 (82k:65013) Evans, D. J.; Hadjidimos, A.; Noutsos, D. Parallel solution of linear systems by quadrant interlocking factorisation methods. Comput. Methods Appl. Mech. Engrg. 29 (1981), no. 1, 97--107.

[2]  MR0607257 (82i:65021) Evans, D. J.; Hadjidimos, A.; Noutsos, D. The parallel solution of banded linear equations by the new quadrant interlocking factorisation (Q.I.F.) method . Intern. J. Comput. Math. 9 (1981), no. 2, 151--161.

[3]  MR0816172 (88d:65051) Hadjidimos, A.; Noutsos, D. Special similarity transformations in connection with the quadrant interlocking factorisation techniques. Bull. Soc. Math. Grece (N.S.) 22 (1981), 44--66.

[4]  MR0840179 (87g:65045) Galanis, S.; Hadjidimos, A.; Noutsos, D. On different classes of monoparametric stationary iterative methods for the solution of linear systems. Math. Comput. Simulation 28 (1986), no. 2, 115--128.

[5]  Galanis, S.; Hadjidimos, A.; Noutsos, D. On the convergence of Monoparametric k-step Iterative Euler methods for the solution of linear systems. Int. Journ. Comp. Maths 26(1988), 45--56.

[6]  MR0948893 (89j:65034) Galanis, S.; Hadjidimos, A.; Noutsos, D. On the equivalence of the $k$-step iterative Euler methods and successive overrelaxation (SOR) methods for $k$-cyclic matrices. Math. Comput. Simulation 30 (1988), no. 3, 213--230.

[7]  MR0992119 (90m:65065) Galanis, S.; Hadjidimos, A.; Noutsos, D. The relationship between the Jacobi and the successive overrelaxation (SOR) matrices of a $k$-cyclic matrix. Comput. Math. Appl. 17 (1989), no. 10, 1351--1357.

[8]  MR1009649 (91a:65080) Galanis, S.; Hadjidimos, A.; Noutsos, D. Optimum first and second order extrapolations of successive overrelaxation type methods for certain classes of matrices. BIT 29 (1989), no. 3, 477--490.

[9]  MR1036925 (91a:65081) Galanis, S.; Hadjidimos, A.; Noutsos, D. On an SSOR matrix relationship and its consequences. Internat. J. Numer. Methods Engrg. 27 (1989), no. 3, 559--570.

[10]  MR1066164 (91g:65067) Hadjidimos, A.; Noutsos, D. The Young-Eidson algorithm: applications and extensions. SIAM J. Matrix Anal. Appl. 11 (1990), no. 4, 620--631.

[11]  MR1148413 (92m:65040) Galanis, S.; Hadjidimos, A.; Noutsos, D.; Tzoumas, M.. On the optimum relaxation factor associated with $p$-cyclic matrices. Directions in matrix theory (Auburn, AL, 1990). Linear Algebra Appl. 162/164 (1992), 433--445.

[12]  MR1207081 (94b:65046) Hadjidimos, Apostolos; Noutsos, Dimitrios. On a matrix identity connecting iteration operators associated with a $p$-cyclic matrix. Linear Algebra Appl. 182 (1993), 157--177.

[13]   MR1252543 (94k:65048) Noutsos, Dimitrios. Optimal stretched parameters for the SOR method. Journal of Comput. Appl. Math. 48 (1993), pp 293--308.

[14]  MR1431343 (98e:65020) Hadjidimos, A.; Noutsos, D.; Tzoumas, M. Exact SOR convergence regions for a general class of $p$-cyclic matrices. BIT 35 (1995), no. 4, 469--487.

[15]  MR1366586 (97c:65058) Hadjidimos, A.; Noutsos, D.; Tzoumas, M. On the exact $p$-cyclic SSOR convergence domains. Linear Algebra Appl. 232 (1996), 213--236.

[16]  MR1403485 (97m:65067) Hadjidimos, A.; Noutsos, D.; Tzoumas, M. On the convergence domains of the $p$-cyclic SOR. J. Comput. Appl. Math. 72 (1996), no. 1, 63--83.

[17]  MR1397242 (97g:65072) Noutsos, Dimitrios. An operator relation in the USSOR and the Jacobi iteration matrices of a $p$-cyclic matrix. SIAM J. Matrix Anal. Appl. 17 (1996), no. 3, 515--529.

[18]  MR1453974 (98b:65032) Galanis, S.; Hadjidimos, A.; Noutsos, D. Optimal $p$-cyclic SOR for complex spectra. Linear Algebra Appl. 263 (1997), 233--260.

[19]  MR1627188 (99c:65055) Hadjidimos, A.; Noutsos, D.; Tzoumas, M.; Towards the determination of the optimal $p$-cyclic SSOR. J. Comput. Appl. Math. 90 (1998), no. 1, 1--14.

[20]  MR1661198 (99j:65044) Galanis, S.; Hadjidimos, A.; Noutsos, D. A Young-Eidson's type algorithm for complex $p$-cyclic SOR spectra. Linear Algebra Appl. 286 (1999), 87--106.

[21]  MR1741412 (2000m:65148) Hadjidimos, A.; Noutsos, D.; Tzoumas, M. Nonoverlapping domain decomposition: a linear algebra viewpoint. Math. Comput. Simulation 51 (2000), no. 6, 597--625.

[22]  MR1896816 (2003d:65027) Noutsos, D.; Vassalos, P. New band Toeplitz preconditioners for ill-conditioned symmetric positive definite Toeplitz systems. SIAM J. Matrix Anal. Appl. 23 (2001/02), no. 3, 728--743.

[23]  MR1971100 (2004c:65028) Hadjidimos, A.; Noutsos, D.; Tzoumas, M. More on modifications and improvements of classical iterative schemes for $M$-matrices. Linear Algebra Appl. 364 (2003), 253--279.

[24]  MR1999402 (2004g:65039) Noutsos, D.; Serra Capizzano, S.; Vassalos, P. Spectral equivalence and matrix algebra preconditioners for multilevel Toeplitz systems: a negative result. Fast algorithms for structured matrices: theory and applications (South Hadley, MA, 2001), 313--322, Contemp. Math., 323, Amer. Math. Soc., Providence, RI, 2003.

[25]  MR2073065 (2005f:65049) Noutsos, D.; Serra Capizzano, S.; Vassalos, P. Matrix algebra preconditioners for multilevel Toeplitz systems do not insure optimal convergence rate. Theoret. Comput. Sci. 315 (2004), no. 2-3, 557--579.

[26]  MR2112879 (2006d:15010) Noutsos, D.; Serra Capizzano, S.; Vassalos, P. Asymptotic behavior of the condition number of two-level Toeplitz matrix sequences. Linear Algebra Appl. 395 (2005), 121--140.

[27]  MR2125634 (2005j:65032) Noutsos, D.; Serra Capizzano, S.; Vassalos, P. A preconditioning proposal for ill-conditioned Hermitian two-level Toeplitz systems. Numer. Linear Algebra Appl. 12 (2005), no. 2-3, 231--239.

[28]  MR2182957 (2006i:15046) Noutsos, Dimitrios. On Perron-Frobenius property of matrices having some negative entries. Linear Algebra Appl. 412 (2006), no. 2-3, 132--153.

[29]  MR2192629 (2006h:65047) Noutsos, D.; Tzoumas, M. On optimal improvements of classical iterative schemes for $Z$-matrices. J. Comput. Appl. Math. 188 (2006), no. 1, 89--106.

[30]  MR2231715 (2007d:65034) Noutsos, D.; Serra Capizzano, S.; Vassalos, P. Two-level Toeplitz preconditioning: approximation results for matrices and functions. SIAM J. Sci. Comput. 28 (2006), no. 2, 439--458.

[31]  MR2244357 (2008a:65094) Noutsos, D.; Serra Capizzano, S.; Vassalos, P. Block band Toeplitz preconditioners derived from generating function approximations: analysis and applications. Numer. Math. 104 (2006), no. 3, 339--376.

[32]  Huckle, T.; Noutsos D. , Preconditioning block Toeplitz matrices, Electronic Transaction on Numerical Analysis (ETNA) 29 (2007), 31 -- 45.

[33]MR2421466 Noutsos, Dimitrios; Tsatsomeros, Michael J. Reachability and holdability of nonnegative states. SIAM J. Matrix Anal. Appl. 30 (2008), no. 2, 700--712. 

[34] MR2374569 (2008k:65087) Noutsos, D.; Serra Capizzano, S.; Vassalos, P. The conditioning of FD matrix sequences coming from semi-elliptic differential equations. Linear Algebra Appl. 428 (2008), no. 2-3, 600--624.
 
[35] MR2437293 Noutsos, D.; Vassalos, P. Superlinear convergence for PCG using band plus algebra preconditioners for Toeplitz systems. Comput. Math. Appl. 56 (2008),no. 5, 1255--1270.
 
[36] MR2446635 Noutsos, D., On Stein-Rosenberg type theorems for nonnegative splittings, Linear Algebra Appl., 429 (2008), no. 8-9, 1983 --1996.
 
[37] Noutsos, D.;  Tsatsomeros, M.  On the Numerical Characterization of the Reachability Cone for an Essentially Nonnegative Matrix, Linear Algebra Appl. 430 (2009), no. 4, 1350--1363.
 
[38] Noutsos, D.;  Vassalos, P. Band plus Algebra Preconditioners for Two-Level Toeplitz Systems. BIT Numer Math 51 (2011), 695–719.
 
[39] Noutsos, D.;  Varga, R.S. On the Perron-Frobenius theory for complex matrices, Linear Algebra Appl. 437 (2012) 1071-1088