A Unified Formulation of Analytical and Numerical Methods for Solving Linear Fredholm Integral Equations. - Efthimios Providas (Algorithms, 2021)

A Procedure for Factoring and Solving Nonlocal Boundary Value Problems for a Type of Linear Integro-Differential Equations. - Efthimios Providas; Ioannis Nestorios Parasidis (Algorithms, 2021)

Closed-Form Solutions of Linear Ordinary Differential Equations with General Boundary Conditions. - Efthimios Providas; Stefanos Zaoutsos; Ioannis Faraslis (Axioms, 2021)

Closed-Form Solution of the Bending Two-Phase Integral Model of Euler-Bernoulli Nanobeams. - Efthimios Providas (Algorithms, 2022)

An Algorithm for the Closed-Form Solution of Certain Classes of Volterra-Fredholm Integral Equations of Convolution Type. - Efthimios Providas (Algorithms, 2022)

A Symbolic Method for Solving a Class of Convolution-Type Volterra-Fredholm-Hammerstein Integro-Differential Equations under Nonlocal Boundary Conditions. - Efthimios Providas; Ioannis Nestorios Parasidis (Algorithms, 2023)

A Second-Order Numerical Method for a Class of Optimal Control Problems. - Kamil R. Aida-zade; Alexander Handzel; Efthimios Providas (Axioms, 2024)

A Comparative Study of Machine Learning Methods and Text Features for Text Authorship Recognition in the Example of Azerbaijani Language Texts. - Rustam Azimov; Efthimios Providas (Algorithms, 2024)