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## Demetriou, Ioannis C.

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 Author ID: demetriou.ioannis-c Published as: Demetriou, I. C.; Demetriou, Ioannis C.; Demetriou, Ioannis External Links: MGP
 Documents Indexed: 41 Publications since 1985 1 Contribution as Editor
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#### Co-Authors

 17 single-authored 10 Lipitakis, Elias A. 6 Vassiliou, Evangelos E. 4 Evans, David John 3 Powell, Michael James David 2 Papakonstantinou, S. S. 1 Georgiadou, Sofia A. 1 Pardalos, Panos M.
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#### Serials

 4 HERMIS-$$\mu\pi$$. Hellenic European Research on Mathematics and Informatics Science 3 IAENG. International Journal of Applied Mathematics 2 IMA Journal of Numerical Analysis 2 Mathematics of Computation 2 Journal of Computational and Applied Mathematics 2 Computational Statistics and Data Analysis 1 Computer Physics Communications 1 ACM Transactions on Mathematical Software 1 Mathematics and Computers in Simulation 1 Applied Numerical Mathematics 1 International Journal of Computer Mathematics 1 Computational Optimization and Applications 1 Neural, Parallel & Scientific Computations 1 International Transactions in Operational Research 1 Optimization Methods & Software 1 Springer Optimization and Its Applications
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#### Fields

 32 Numerical analysis (65-XX) 23 Operations research, mathematical programming (90-XX) 7 Statistics (62-XX) 5 Approximations and expansions (41-XX) 3 Partial differential equations (35-XX) 1 General and overarching topics; collections (00-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 1 Systems theory; control (93-XX)

#### Citations contained in zbMATH Open

14 Publications have been cited 40 times in 18 Documents Cited by Year
Least squares smoothing of univariate data to achieve piecewise monotonicity. Zbl 0726.65008
Demetriou, I. C.; Powell, M. J. D.
1991
The minimum sum of squares change to univariate data that gives convexity. Zbl 0726.65009
Demetriou, I. C.; Powell, M. J. D.
1991
Algorithm 742: L2CXFT: A Fortran subroutine for least-squares data fitting with nonnegative second divided differences. Zbl 0887.65014
Demetriou, I. C.
1995
Discrete piecewise monotonic approximation by a strictly convex distance function. Zbl 0824.41019
Demetriou, I. C.
1995
The preconditioning by direct factorization method for solving self- adjoint partial differential equations. Zbl 0785.65025
Evans, D. J.; Demetriou, I. C.
1991
Least squares fitting to univariate data subject to restrictions on the signs of the second differences. Zbl 1031.65027
Demetriou, I. C.; Powell, M. J. D.
1997
Certain positive definite submatrices that arise from binomial coefficient matrices. Zbl 0979.65031
Demetriou, I. C.; Lipitakis, E. A.
2001
An adaptive algorithm for least squares piecewise monotonic data fitting. Zbl 1429.62033
Vassiliou, E.; Demetriou, I. C.
2005
A characterization theorem for the discrete best monotonic approximation problem. Zbl 0696.41026
Demetriou, I. C.
1990
Least squares convex-concave data smoothing. Zbl 1060.65013
Demetriou, I. C.
2004
Best $$L_ 1$$ piecewise monotonic data modelling. Zbl 0852.41021
Demetriou, I. C.
1994
CXFTV2: A Fortran subroutine for the discrete least squares convex approximation. Zbl 0927.65010
Demetriou, I. C.
1997
A dual algorithm with multiple constraint additions for strictly convex quadratic programming. Zbl 0801.65059
Demetriou, I. C.
1993
An algorithm for distributed lag estimation subject to piecewise monotonic coefficients. Zbl 1229.62118
Demetriou, I. C.; Vassiliou, E. E.
2009
An algorithm for distributed lag estimation subject to piecewise monotonic coefficients. Zbl 1229.62118
Demetriou, I. C.; Vassiliou, E. E.
2009
An adaptive algorithm for least squares piecewise monotonic data fitting. Zbl 1429.62033
Vassiliou, E.; Demetriou, I. C.
2005
Least squares convex-concave data smoothing. Zbl 1060.65013
Demetriou, I. C.
2004
Certain positive definite submatrices that arise from binomial coefficient matrices. Zbl 0979.65031
Demetriou, I. C.; Lipitakis, E. A.
2001
Least squares fitting to univariate data subject to restrictions on the signs of the second differences. Zbl 1031.65027
Demetriou, I. C.; Powell, M. J. D.
1997
CXFTV2: A Fortran subroutine for the discrete least squares convex approximation. Zbl 0927.65010
Demetriou, I. C.
1997
Algorithm 742: L2CXFT: A Fortran subroutine for least-squares data fitting with nonnegative second divided differences. Zbl 0887.65014
Demetriou, I. C.
1995
Discrete piecewise monotonic approximation by a strictly convex distance function. Zbl 0824.41019
Demetriou, I. C.
1995
Best $$L_ 1$$ piecewise monotonic data modelling. Zbl 0852.41021
Demetriou, I. C.
1994
A dual algorithm with multiple constraint additions for strictly convex quadratic programming. Zbl 0801.65059
Demetriou, I. C.
1993
Least squares smoothing of univariate data to achieve piecewise monotonicity. Zbl 0726.65008
Demetriou, I. C.; Powell, M. J. D.
1991
The minimum sum of squares change to univariate data that gives convexity. Zbl 0726.65009
Demetriou, I. C.; Powell, M. J. D.
1991
The preconditioning by direct factorization method for solving self- adjoint partial differential equations. Zbl 0785.65025
Evans, D. J.; Demetriou, I. C.
1991
A characterization theorem for the discrete best monotonic approximation problem. Zbl 0696.41026
Demetriou, I. C.
1990
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#### Cited by 17 Authors

 11 Demetriou, Ioannis C. 2 Evans, David John 2 Royset, Johannes O. 2 Vassiliou, Evangelos E. 2 Wets, Roger Jean-Baptiste 1 Audish, S. E. 1 Belsley, David A. 1 Dai, Yu-Hong 1 Davies, Patrick Laurie 1 Feklin, V. G. 1 Hao, Chunlin 1 Höhenrieder, Christian 1 Hu, Yiqing 1 Karabutov, N. N. 1 Kontoghiorghes, Erricos John 1 Krämer, Walter 1 Lipitakis, Elias A.
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#### Cited in 11 Serials

 4 Computational Statistics and Data Analysis 2 Mathematics of Computation 2 Journal of Computational and Applied Mathematics 2 Optimization Methods & Software 1 Computer Physics Communications 1 Mathematics and Computers in Simulation 1 Applied Numerical Mathematics 1 International Journal of Computer Mathematics 1 Mathematical Programming. Series A. Series B 1 Journal of Mathematical Sciences (New York) 1 Set-Valued and Variational Analysis
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#### Cited in 10 Fields

 11 Numerical analysis (65-XX) 4 Statistics (62-XX) 4 Operations research, mathematical programming (90-XX) 3 Approximations and expansions (41-XX) 2 Calculus of variations and optimal control; optimization (49-XX) 1 General and overarching topics; collections (00-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Partial differential equations (35-XX) 1 Game theory, economics, finance, and other social and behavioral sciences (91-XX) 1 Systems theory; control (93-XX)