![Ioannis DEMETRIOU | Professor Mathematics and Informatics | Ph.D. University of Cambridge, Department of Applied Mathematics and Theoretical Physics | National and Kapodistrian University of Athens, Athens | uoa | Faculty of Economics Ioannis DEMETRIOU | Professor Mathematics and Informatics | Ph.D. University of Cambridge, Department of Applied Mathematics and Theoretical Physics | National and Kapodistrian University of Athens, Athens | uoa | Faculty of Economics](https://www.researchgate.net/publication/352928596/figure/fig3/AS:1041352791953408@1625289261294/As-in-Fig-2-but-k20documentclass12ptminimal-usepackageamsmath_Q320.jpg)
Ioannis DEMETRIOU | Professor Mathematics and Informatics | Ph.D. University of Cambridge, Department of Applied Mathematics and Theoretical Physics | National and Kapodistrian University of Athens, Athens | uoa | Faculty of Economics
![Ioannis DEMETRIOU | Professor Mathematics and Informatics | Ph.D. University of Cambridge, Department of Applied Mathematics and Theoretical Physics | National and Kapodistrian University of Athens, Athens | uoa | Faculty of Economics Ioannis DEMETRIOU | Professor Mathematics and Informatics | Ph.D. University of Cambridge, Department of Applied Mathematics and Theoretical Physics | National and Kapodistrian University of Athens, Athens | uoa | Faculty of Economics](https://www.researchgate.net/publication/352928596/figure/fig1/AS:1041352791965696@1625289261131/Detected-peaks-targets-by-a-best-piecewise-monotonic-fit-with_Q320.jpg)
Ioannis DEMETRIOU | Professor Mathematics and Informatics | Ph.D. University of Cambridge, Department of Applied Mathematics and Theoretical Physics | National and Kapodistrian University of Athens, Athens | uoa | Faculty of Economics
![Ioannis DEMETRIOU | Professor Mathematics and Informatics | Ph.D. University of Cambridge, Department of Applied Mathematics and Theoretical Physics | National and Kapodistrian University of Athens, Athens | uoa | Faculty of Economics Ioannis DEMETRIOU | Professor Mathematics and Informatics | Ph.D. University of Cambridge, Department of Applied Mathematics and Theoretical Physics | National and Kapodistrian University of Athens, Athens | uoa | Faculty of Economics](https://www.researchgate.net/publication/350190207/figure/tbl2/AS:1018164183826435@1619760666381/As-in-Table-3-but-by-the-least-squares-approximations-of-11_Q320.jpg)
Ioannis DEMETRIOU | Professor Mathematics and Informatics | Ph.D. University of Cambridge, Department of Applied Mathematics and Theoretical Physics | National and Kapodistrian University of Athens, Athens | uoa | Faculty of Economics
![Ioannis DEMETRIOU | Professor Mathematics and Informatics | Ph.D. University of Cambridge, Department of Applied Mathematics and Theoretical Physics | National and Kapodistrian University of Athens, Athens | uoa | Faculty of Economics Ioannis DEMETRIOU | Professor Mathematics and Informatics | Ph.D. University of Cambridge, Department of Applied Mathematics and Theoretical Physics | National and Kapodistrian University of Athens, Athens | uoa | Faculty of Economics](https://www.researchgate.net/publication/350190207/figure/tbl1/AS:1018164183834628@1619760666353/Left-four-columns-Turning-points-in-the-Zircon-spectrum-by-a-best-L-1-fit-with-k-16_Q320.jpg)
Ioannis DEMETRIOU | Professor Mathematics and Informatics | Ph.D. University of Cambridge, Department of Applied Mathematics and Theoretical Physics | National and Kapodistrian University of Athens, Athens | uoa | Faculty of Economics
![Ioannis DEMETRIOU | Professor Mathematics and Informatics | Ph.D. University of Cambridge, Department of Applied Mathematics and Theoretical Physics | National and Kapodistrian University of Athens, Athens | uoa | Faculty of Economics Ioannis DEMETRIOU | Professor Mathematics and Informatics | Ph.D. University of Cambridge, Department of Applied Mathematics and Theoretical Physics | National and Kapodistrian University of Athens, Athens | uoa | Faculty of Economics](https://www.researchgate.net/profile/Evangelos-Vassiliou/publication/26587309/figure/tbl2/AS:669348565893120@1536596542017/Performance-and-CPU-times-when-r-01-q-e-k-S-ph-b-P-RelError-Iterations-CPU-time_Q320.jpg)
Ioannis DEMETRIOU | Professor Mathematics and Informatics | Ph.D. University of Cambridge, Department of Applied Mathematics and Theoretical Physics | National and Kapodistrian University of Athens, Athens | uoa | Faculty of Economics
![Ioannis DEMETRIOU | Professor Mathematics and Informatics | Ph.D. University of Cambridge, Department of Applied Mathematics and Theoretical Physics | National and Kapodistrian University of Athens, Athens | uoa | Faculty of Economics Ioannis DEMETRIOU | Professor Mathematics and Informatics | Ph.D. University of Cambridge, Department of Applied Mathematics and Theoretical Physics | National and Kapodistrian University of Athens, Athens | uoa | Faculty of Economics](https://www.researchgate.net/publication/352928596/figure/fig4/AS:1041352791949320@1625289261427/Best-fit-with-k15documentclass12ptminimal-usepackageamsmath-usepackagewasysym_Q320.jpg)