Omiros Ragos

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Michael N. VrahatisDepartment of Mathematics, University of Patras, GreeceVerified email at upatras.gr
Sotiris KotsiantisAssistant Professor, Department of Mathematics, University of Patras, GreeceVerified email at math.upatras.gr
Dr. Georgios KostopoulosHellenic Open University, University of Patras-Department of Mathematics, ESDLab, GreeceVerified email at sch.gr
Efstathios PerdiosProfessor Emeritus, Department of Electrical and Computer Engineering, University of PatrasVerified email at upatras.gr
Theodoula N. GrapsaProfessor, Department of Mathematics, University of Patras, GreeceVerified email at math.upatras.gr
Panos Fitsilis; Πάνος ΦιτσιλήςProfessor, University of Thessaly, Department of Business Administration, Larissa, GreeceVerified email at uth.gr
Vassilis KalantonisAssociate Professor of Applied Mathematics, Department of Electrical and Computer EngineeringVerified email at upatras.gr
Angela PerdiouAssistant Professor of Applied Mathematics, Department of Civil Engineering, University of PatrasVerified email at upatras.gr
Peter KravanjaKatholieke Universiteit LeuvenVerified email at arts.kuleuven.be
K.E. PapadakisProfessor of Civil Engineering, University of PatrasVerified email at upatras.gr

Omiros Ragos

Department of Mathematics, University of Patras, Greece

Verified email at math.upatras.gr

Computational methods in Dynamic Systems problems Computational methods in the study of Special Functions Mathematical foundat


Title Sort by citations Sort by year Sort by title	Cited by Cited by	Year
Semi-supervised regression: A recent review G Kostopoulos, S Karlos, S Kotsiantis, O Ragos Journal of Intelligent & Fuzzy Systems 35 (2), 1483-1500, 2018	128	2018
Implementing AutoML in Educational Data Mining for Prediction Tasks M Tsiakmaki, G Kostopoulos, S Kotsiantis, O Ragos Applied Sciences 10 (1), 90, 2020	92	2020
Transfer learning from deep neural networks for predicting student performance M Tsiakmaki, G Kostopoulos, S Kotsiantis, O Ragos Applied Sciences 10 (6), 2145, 2020	89	2020
A numerical study of the influence of the Poynting-Robertson effect on the equilibrium points of the photogravitational restricted three-body problem II. Out of plane case O Ragos, FA Zafiropoulos, MN Vrahatis Astronomy and Astrophysics 300, 579, 1995	68	1995
Periodic solutions about the ‘out of plane’equilibrium points in the photogravitational restricted three-body problem O Ragos, C Zagouras Celestial mechanics 44 (1-2), 135-154, 1988	58	1988
ZEAL: A mathematical software package for computing zeros of analytic functions P Kravanja, M Van Barel, O Ragos, MN Vrahatis, FA Zafiropoulos Computer physics communications 124 (2-3), 212-232, 2000	45	2000
On the equilibrium points of the relativistic restricted three-body problem O Ragos, EA Perdios, VS Kalantonis, MN Vrahatis Nonlinear Analysis-Theory Methods and Applications 47 (5), 3413-3418, 2001	34	2001
Method for computing long periodic orbits of dynamical systems L Drossos, O Ragos, MN Vrahatis, T Bountis Physical Review E 53 (1), 1206, 1996	33	1996
Predicting University Students' Grades Based on Previous Academic Achievements M Tsiakmaki, G Kostopoulos, G Koutsonikos, C Pierrakeas, S Kotsiantis, ... 2018 9th International Conference on Information, Intelligence, Systems and …, 2018	31	2018
Yukawa-type potential effects in the anomalistic period of celestial bodies I Haranas, O Ragos, V Mioc Astrophysics and Space Science 332 (1), 107-113, 2011	29	2011
Periodic solutions around the collinear langrangian points in the photo gravitational restricted three-body problem: Sun-Jupiter case O Ragos, C Zagouras Celestial Mechanics and Dynamical Astronomy 50 (4), 325-347, 1990	29	1990
On the localization and computation of zeros of Bessel functions MN Vrahatis, TN Grapsa, O Ragos, FA Zafiropoulos ZAMM‐Journal of Applied Mathematics and Mechanics/Zeitschrift für Angewandte …, 1997	28	1997
RFSFNS: A portable package for the numerical determination of the number and the calculation of roots of Bessel functions MN Vrahatis, O Ragos, T Skiniotis, FA Zafiropoulos, TN Grapsa Computer physics communications 92 (2-3), 252-266, 1995	26	1995
Locating and computing zeros of Airy functions MN Vrahatis, O Ragos, FA Zafiropoulos, TN Grapsa ZAMM‐Journal of Applied Mathematics and Mechanics/Zeitschrift für Angewandte …, 1996	25	1996
Yukawa-type effects in satellite dynamics I Haranas, O Ragos Astrophysics and Space Science 331 (1), 115-119, 2011	24	2011
Fuzzy-based active learning for predicting student academic performance using autoML: a step-wise approach M Tsiakmaki, G Kostopoulos, S Kotsiantis, O Ragos Journal of Computing in Higher Education 33 (3), 635-667, 2021	22	2021
On the existence of the “out of plane” equilibrium points in the photogravitational restricted three-body problem O Ragos, CG Zagouras Astrophysics and space science 209 (2), 267-271, 1993	22	1993
Nexus Services in Smart City Ecosystems P Tsoutsa, P Fitsilis, L Anthopoulos, O Ragos Journal of the Knowledge Economy, 1-21, 0	21
Effects in the anomalistic period of celestial bodies due to a logarithmic correction to the Newtonian gravitational potential O Ragos, I Haranas, I Gkigkitzis Astrophysics and Space Science 345 (1), 67-72, 2013	19	2013
Periodic motion around stable collinear equilibrium point in the photogravitational restricted problem of three bodies O Ragos, CG Zagouras, E Perdios Astrophysics and space science 182 (2), 313-336, 1991	19	1991

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