Christos Kravvaritis: Difference between revisions
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== List of Publications== | == List of Publications== | ||
:'''Refereed Publications''' | |||
<BR> C. Kravvaritis and M. Mitrouli, The growth factor of | :<BR> C. Kravvaritis and M. Mitrouli, The growth factor of | ||
a Hadamard matrix of order 16 is 16, 2009, Numer. Linear | :a Hadamard matrix of order 16 is 16, 2009, Numer. Linear | ||
Algebra Appl., to appear. | :Algebra Appl., to appear. | ||
<BR> C. Kravvaritis and M. Mitrouli, A technique for computing | :<BR> C. Kravvaritis and M. Mitrouli, A technique for computing | ||
minors of binary Hadamard matrices and application to the Growth | :minors of binary Hadamard matrices and application to the Growth | ||
Problem, Electron. Trans. Numer. Anal., 31 (2008), 49-67. | :Problem, Electron. Trans. Numer. Anal., 31 (2008), 49-67. | ||
<BR> J. Geiser and C. Kravvaritis, Overlapping operator splitting methods and applications in stiff differential equations, Neural Parallel Sci. Comput., 16 (2008), 189-200. | :<BR> J. Geiser and C. Kravvaritis, Overlapping operator splitting methods and | ||
<BR> C. Kravvaritis and M. Mitrouli, Compound matrices: properties, | :applications in stiff differential equations, Neural Parallel Sci. Comput., 16 | ||
numerical issues and analytical computations, Numer. Algorithms, | :(2008), 189-200. | ||
(2008), to appear. | :<BR> C. Kravvaritis and M. Mitrouli, Compound matrices: properties, | ||
<BR> J. Geiser and C. Kravvaritis, A Domain | :numerical issues and analytical computations, Numer. Algorithms, | ||
Decomposition Method based on the Iterative Operator Splitting | :(2008), to appear. | ||
Method, Appl. Numer. Math., (2008), in press. | :<BR> J. Geiser and C. Kravvaritis, A Domain | ||
<BR> C. Kravvaritis and M. Mitrouli, An Algorithm to Find Values of Minors of Hadamard Matrices, Bull. Greek Math. Soc., 54 (2007), 221-238. | :Decomposition Method based on the Iterative Operator Splitting | ||
<BR> C. Kravvaritis and M. Mitrouli, Evaluation of Minors associated to | :Method, Appl. Numer. Math., (2008), in press. | ||
weighing matrices, Linear Algebra Appl., 426 (2007), 774-809. | :<BR> C. Kravvaritis and M. Mitrouli, An Algorithm to Find Values of Minors of | ||
<BR> C. Kravvaritis, M. Mitrouli and J. Seberry, On the Pivot Structure for the Weighing Matrix W(12,11), Linear Multilinear Algebra, 55:5 (2007), 471-490. | :Hadamard Matrices, Bull. Greek Math. Soc., 54 (2007), 221-238. | ||
<BR> C. Kravvaritis and M. Mitrouli, Determinant Evaluations for Weighing Matrices, Int. J. Pure Appl. Math., 34:2 (2007), 163-176. | :<BR> C. Kravvaritis and M. Mitrouli, Evaluation of Minors associated to | ||
<BR> J. Geiser and C. Kravvaritis, Weighted Iterative Operator Splitting Methods and Applications, Lecture Notes in Comput. Sci., 4310 (2007), 48-55. em <BR> S. Georgiou and C. Kravvaritis, New Good Quasi-Cyclic Codes over GF(3), Int. J. Algebra, 1:1 (2007), 11-24. | :weighing matrices, Linear Algebra Appl., 426 (2007), 774-809. | ||
<BR> C. Kravvaritis, M. Mitrouli and J. Seberry, Counting Techniques Specifying the Existence of Submatrices in Weighing Matrices, Lecture Notes in Comput. Sci., 3718 (2005), 294-305. | :<BR> C. Kravvaritis, M. Mitrouli and J. Seberry, On the Pivot Structure for | ||
<BR> C. Kravvaritis, E. Lappas and M. Mitrouli, An algorithm to find values of minors of weighing matrices, Lecture Notes in Comput. Sci., 3401 (2005), 375-382. | :the Weighing Matrix W(12,11), Linear Multilinear Algebra, 55:5 (2007), 471-:490. | ||
<BR> C. Kravvaritis, M. Mitrouli and J. Seberry, On the growth | :<BR> C. Kravvaritis and M. Mitrouli, Determinant Evaluations for Weighing | ||
problem for skew and symmetric conference matrices, Linear Algebra | :Matrices, Int. J. Pure Appl. Math., 34:2 (2007), 163-176. | ||
Appl., 403 (2005), 183-206. | :<BR> J. Geiser and C. Kravvaritis, Weighted Iterative Operator Splitting | ||
:Methods and Applications, Lecture Notes in Comput. Sci., 4310 (2007), 48-55. | |||
:em <BR> S. Georgiou and C. Kravvaritis, New Good Quasi-Cyclic Codes over GF | |||
:(3), Int. J. Algebra, 1:1 (2007), 11-24. | |||
:<BR> C. Kravvaritis, M. Mitrouli and J. Seberry, Counting Techniques | |||
:Specifying the Existence of Submatrices in Weighing Matrices, Lecture Notes in | |||
:Comput. Sci., 3718 (2005), 294-305. | |||
:<BR> C. Kravvaritis, E. Lappas and M. Mitrouli, An algorithm to find values of | |||
:minors of weighing matrices, Lecture Notes in Comput. Sci., 3401 (2005), 375-:382. | |||
:<BR> C. Kravvaritis, M. Mitrouli and J. Seberry, On the growth | |||
:problem for skew and symmetric conference matrices, Linear Algebra | |||
:Appl., 403 (2005), 183-206. | |||
Revision as of 18:04, 8 January 2009
- Address:
- TU München
- Institut für Informatik
- Boltzmannstr. 3
- 85748 Garching b. München
- Office:
- MI 02.05.036
- Email:
- christos.kravvaritis@in.tum.de
- Phone:
- (089) 289 18 615
- Fax:
- (089) 289 18 607
- Personal Homepage:
- http://ckravv.googlepages.com
- Office Hours
- By arrangement
Forschungsgebiete (Research Area)
- Numerische Lineare Algebra
- Multigridverfahren
- Strukturierte Matrizen (Hadamard, weighing, compound)
- Determinanten
- Numerische Methoden für ODEs und PDEs
- Codierungstheorie
List of Publications
- Refereed Publications
C. Kravvaritis and M. Mitrouli, The growth factor of- a Hadamard matrix of order 16 is 16, 2009, Numer. Linear
- Algebra Appl., to appear.
C. Kravvaritis and M. Mitrouli, A technique for computing- minors of binary Hadamard matrices and application to the Growth
- Problem, Electron. Trans. Numer. Anal., 31 (2008), 49-67.
J. Geiser and C. Kravvaritis, Overlapping operator splitting methods and- applications in stiff differential equations, Neural Parallel Sci. Comput., 16
- (2008), 189-200.
C. Kravvaritis and M. Mitrouli, Compound matrices: properties,- numerical issues and analytical computations, Numer. Algorithms,
- (2008), to appear.
J. Geiser and C. Kravvaritis, A Domain- Decomposition Method based on the Iterative Operator Splitting
- Method, Appl. Numer. Math., (2008), in press.
C. Kravvaritis and M. Mitrouli, An Algorithm to Find Values of Minors of- Hadamard Matrices, Bull. Greek Math. Soc., 54 (2007), 221-238.
C. Kravvaritis and M. Mitrouli, Evaluation of Minors associated to- weighing matrices, Linear Algebra Appl., 426 (2007), 774-809.
C. Kravvaritis, M. Mitrouli and J. Seberry, On the Pivot Structure for- the Weighing Matrix W(12,11), Linear Multilinear Algebra, 55:5 (2007), 471-:490.
C. Kravvaritis and M. Mitrouli, Determinant Evaluations for Weighing- Matrices, Int. J. Pure Appl. Math., 34:2 (2007), 163-176.
J. Geiser and C. Kravvaritis, Weighted Iterative Operator Splitting- Methods and Applications, Lecture Notes in Comput. Sci., 4310 (2007), 48-55.
- em
S. Georgiou and C. Kravvaritis, New Good Quasi-Cyclic Codes over GF - (3), Int. J. Algebra, 1:1 (2007), 11-24.
C. Kravvaritis, M. Mitrouli and J. Seberry, Counting Techniques- Specifying the Existence of Submatrices in Weighing Matrices, Lecture Notes in
- Comput. Sci., 3718 (2005), 294-305.
C. Kravvaritis, E. Lappas and M. Mitrouli, An algorithm to find values of- minors of weighing matrices, Lecture Notes in Comput. Sci., 3401 (2005), 375-:382.
C. Kravvaritis, M. Mitrouli and J. Seberry, On the growth- problem for skew and symmetric conference matrices, Linear Algebra
- Appl., 403 (2005), 183-206.
Selected Publications
A technique for computing minors of binary Hadamard matrices and apllication to the Growth Problem, Electron. Trans. Numer. Anal., 31 (2008) 49-67, joint work with M. Mitrouli.
Compound matrices: properties, numerical issues and analytical computations, Numer. Algorithms, 2009, to appear, joint work with M. Mitrouli.
A Domain Decomposition Method based on the Iterative Operator Splitting Method, Appl. Numer. Math., 2008, to appear joint work with J. Geiser.
Evaluation of Minors associated to weighing matrices, Linear Algebra Appl., 426 (2007) 774-809, joint work with M. Mitrouli.
On the Pivot Structure for the Weighing Matrix W(12,11), Linear Multrilinear Algebra, 34 (2007) 163-176, joint work with M. Mitrouli and J. Seberry.
On the growth problem for skew and symmetric conference matrices, Linear Algebra Appl., 403 (2005) 183-206, joint work with M. Mitrouli and J. Seberry.