Ioannis C. Demetriou

Publication Activity (10 Years)

Years Active: 1995-2022
Publications (10 Years): 3

Top Topics

Constraint Satisfaction

Data Distribution

Application Domains

Top Venues

J. Comb. Optim.

J. Glob. Optim.

Optim. Methods Softw.

Publications

Ioannis C. Demetriou
A binary search algorithm for univariate data approximation and estimation of extrema by piecewise monotonic constraints. J. Glob. Optim. 82 (4) (2022)
Demetrius E. Davos, Ioannis C. Demetriou
Convex-Concave fitting to successively updated data and its application to covid-19 analysis. J. Comb. Optim. 44 (5) (2022)
Ioannis C. Demetriou
Separation theorems for the extrema of best piecewise monotonic approximations to successive data. Optim. Methods Softw. 35 (3) (2020)
E. E. Vassiliou, Ioannis C. Demetriou
A linearly distributed lag estimator with r-convex coefficients. Comput. Stat. Data Anal. 54 (11) (2010)
Sofia A. Georgiadou, Ioannis C. Demetriou
The Karush-Kuhn-Tucker Test of Convexity of Univariate Observations and Certain Economic Applications. World Congress on Engineering (2007)
S. S. Papakonstantinou, Ioannis C. Demetriou
Necessary and Sufficient Conditions for Best L1 Estimates of Ordinates of Convex Functions. World Congress on Engineering (2007)
Ioannis C. Demetriou
Algorithm 863: L2WPMA, a Fortran 77 package for weighted least-squares piecewise monotonic data approximation. ACM Trans. Math. Softw. 33 (1) (2007)
Ioannis C. Demetriou
L2CXCV: A Fortran 77 package for least squares convex/concave data smoothing. Comput. Phys. Commun. 174 (8) (2006)
E. E. Vassiliou, Ioannis C. Demetriou
An adaptive algorithm for least squares piecewise monotonic data fitting. Comput. Stat. Data Anal. 49 (2) (2005)
Ioannis C. Demetriou
Least Squares Convex-Concave Data Smoothing. Comput. Optim. Appl. 29 (2) (2004)
Ioannis C. Demetriou, David J. Evans
Adaptive Preconditioned Variational Methods for Solving Self-Adjoint Partial Differential Equations. Int. J. Comput. Math. 80 (5) (2003)
Ioannis C. Demetriou
Algorithm 742: L2CXFT: A Fortran Subroutine for Least Squares Data Fitting with Nonnegative Second Divided Differences. ACM Trans. Math. Softw. 21 (1) (1995)