Publications
Publicações

Publications

Multi-strain COVID-19 dynamics with vaccination strategies: Mathematical modeling and case study

Alexandria Engineering Journal | 2025

Venkatesh Ambalarajan

Ankamma Mallela

Prasantha Dhandapani

Vinoth Sivakumar

Victor Leiva

DOI

Green Exchange-Traded Fund Performance Evaluation Using the EU–EV Risk Model

José Azevedo

Ana Azevedo

DOI

Isometries of 3-dimensional semi-Riemannian Lie groups

Abdelghani Zeghib

DOI

A Two‐Stage Training Method for Modeling Constrained Systems With Neural Networks

M. Fernanda P. Costa

DOI

Artificial intelligence and blockchain in clinical trials: enhancing data governance efficiency, integrity, and transparency

Bioanalysis | 2025

Victor Leiva

DOI

Efficient algorithms for perturbed symmetrical Toeplitz-plus-Hankel systems

Skander Belhaj

DOI

Solar Radiation Forecasting: A Study Case in the Colombian Caribbean Region

Gloria Carrascal

Jairo Plaza

DOI

Bidimensional balancing, Lucas-balancing, cobalancing and Lucas-cobalancing numbers via the determinant of a tridiagonal matrix

P. Catarino

M. Otero-Espinar

DOI

Fibering polarizations and Mabuchi rays on symmetric spaces of compact type

Thomas Baier

Joachim Hilgert

José Mourão

João Nunes

DOI

Neural Chronos ODE: Modelling bidirectional temporal patterns in time-series data

Expert Systems with Applications | 2025
DOI

Bivariate extended skew-elliptical Heckman models: mathematical characterization and an application in economic sciences

Roberto Vila

Helton Saulo

Carolina Marchant

Victor Leiva

DOI

The weighted GS-PIA algorithm for cubic B-spline curve interpolations and convergence analysis

Computational and Applied Mathematics | 2025

Zhongyun Liu

Jian Yang

Xiaofei Xu

Mengzhu Lin

DOI

Neural fractional differential equations

Applied Mathematical Modelling | 2025
DOI

On the topology of concurrent systems

Journal of Applied and Computational Topology | 2025

Catarina Faustino

Rodrigo Lopes

DOI

On tridimensional Lucas-balancing numbers and some properties

P. Catarino

M. Otero-Espinar

DOI

A real-time intelligent system based on machine-learning methods for improving communication in sign language

IEEE Access | 2025

Victor Leiva

Muhammad Rahman

Muhammad Akbar

Mauricio Huerta

Muhammad Riaz

DOI

Clustering and Risk Analysis for Evaluating the Water Quality of a Hydrological Basin

Ana Pedra

DOI

Neurological Disease Classification Based on Gait Analysis Through Transformation-Based Multiple Linear Regression Normalization

Bárbara Araújo

Miguel Gago

Estela Bicho

DOI

Numerical simulation of a thixotropic-viscoelastic model in contraction geometries

Hugo Castillo-Sánchez

Manoel Araújo

Juliana Bertoco

C. Fernandes

António Castelo

DOI

Some identities and generating functions for bidimensional balancing and cobalancing sequences

Universal Journal of Mathematics and Applications | 2024

M. Otero-Espinar

DOI

What Mathematics for Portuguese Military Engineers?

DOI

Polymer Physics: From Theory to Experimental Applications

Célio Fernandes

Alexandre Afonso

DOI

Bidimensional extensions of balancing and Lucas-balancing numbers

Journal of Discrete Mathematical Sciences and Cryptography | 2024

A. Borges

DOI

Optimizing the Economic Order Quantity Using Fuzzy Theory and Machine Learning Applied to a Pharmaceutical Framework

Mathematics | 2024

Kalaiarasi Kalaichelvan

Soundaria Ramalingam

Prasantha Dhandapani

Victor Leiva

DOI