Theodoula N. Grapsa

According to our database, Theodoula N. Grapsa authored at least 11 papers between 1990 and 2021.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2021

Guiding iterative optimisation methods to a predefined kind of optima for unconstrained optimisation problems.

Christina D. Nikolakakou, Athanasia N. Papanikolaou, Eirini I. Nikolopoulou, Theodoula N. Grapsa, George S. Androulakis

Int. J. Math. Model. Numer. Optimisation, 2021

2020

Hybridization of bisection method for solving non-differentiable nonlinear equations.

Ioannis Nikas, Theodoula N. Grapsa

Proceedings of the PCI 2020: 24th Pan-Hellenic Conference on Informatics, 2020

2019

Performance Evaluation and Comparison of Multi-objective optimization Algorithms.

Dimitris G. Tsarmpopoulos, Athanasia N. Papanikolaou, Sotiris Kotsiantis, Theodoula N. Grapsa, George S. Androulakis

Proceedings of the 10th International Conference on Information, 2019

2017

Early dropout prediction in distance higher education using active learning.

Georgios Kostopoulos, Sotiris Kotsiantis, Omiros Ragos, Theodoula N. Grapsa

Proceedings of the 8th International Conference on Information, 2017

2015

A sequential approach for unconstrained optimization via a partitioning technique.

Christina D. Nikolakakou, Theodoula N. Grapsa, I. A. Nikas, George S. Androulakis

Int. J. Comput. Math., 2015

An incorporation of trust region methods on LexOpt algorithm for unconstrained optimization.

Christina D. Nikolakakou, Theodoula N. Grapsa, George S. Androulakis

Proceedings of the 19th Panhellenic Conference on Informatics, 2015

2009

Self-scaled conjugate gradient training algorithms.

Aristotelis E. Kostopoulos, T. N. Grapsa

Neurocomputing, 2009

Bounding the zeros of an interval equation.

I. A. Nikas, T. N. Grapsa

Appl. Math. Comput., 2009

2005

Optimal centers in branch-and-prune algorithms for univariate global optimization.

D. G. Sotiropoulos, T. N. Grapsa

Appl. Math. Comput., 2005

1995

A new dimension - reducing method for solving systems of nonlinear equations.

Theodoula N. Grapsa, Michael N. Vrahatis

Int. J. Comput. Math., 1995

1990

Solving systems of nonlinear equations In using a rotating hyperplane in.

T. N. Grapsa, Michael N. Vrahatis, Tassos Bountis

Int. J. Comput. Math., 1990