Publications
Publicações

Publications

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

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

José Azevedo

Ana Azevedo

DOI

Some Tridiagonal Matrix of the Repunit Sequence

Eudes Costa

Douglas Santos

DOI

Total time on test-based goodness-of-fit statistics for the reciprocal property in fatigue-life models

Lifetime Data Analysis | 2025

Marta Azevedo

Victor Leiva

DOI

Profiling the geoscience community: exploring patterns of science communication and public engagement

Journal of Science Communication | 2025

Joana Rodrigues

Elsa Silva

Diamantino Pereira

DOI

Geostatistical Models for Identifying Juvenile Fish Hotspots in Marine Conservation

Springer Proceedings in Mathematics & Statistics | 2025

Francisco Gonçalves

Daniela Silva

Inês Dias

Alexandra Silva

DOI

Positive topological entropy for semi-Riemannian geodesic flows

Proceedings of the American Mathematical Society | 2025

Mário Bessa

João Lopes Dias

Pedro Matias

DOI

Survapp: A Shiny Application for Survival Data Analysis

Emanuel da Silva

Gustavo Soutinho

DOI

Efficient algorithms for perturbed symmetrical Toeplitz-plus-Hankel systems

Skander Belhaj

DOI

On the topology of concurrent systems

Journal of Applied and Computational Topology | 2025

Catarina Faustino

Rodrigo Lopes

DOI

The completeness problem on 3-dimensional non-unimodular Lie groups

Salah Chaib

Ana Cristina Ferreira

DOI

Characterization of the Drazin Index for Double Star Digraph Matrices

DOI

A model for slowing particles in random media

Discrete and Continuous Dynamical Systems | 2025

François Golse

Valeria Ricci

DOI

Global attractivity criteria for a discrete-time Hopfield neural network model with unbounded delays via singular M—matrices

Neurocomputing | 2025
DOI

A Study of the Symmetry of the Tricomplex Repunit Sequence with Repunit Sequence

E.A. Costa

D.C. Santos

DOI

PEDAGOGICAL CONTENT KNOWLEDGE FOR TEACHING NUMBERS AND OPERATIONS: A STUDY WITH PROSPECTIVE TEACHERS,CONHECIMENTO PEDAGÓGICO DO CONTEÚDO PARA O ENSINO DE NÚMEROS E OPERAÇÕES: UM ESTUDO COM FUTUROS PROFESSORES,CONOCIMIENTO PEDAGÓGICO DEL CONTENI

A. Joaquim

M. Nascimento

A.P. Aires

DOI

Isometries of 3-Dimensional Semi-Riemannian Lie Groups

Transformation Groups | 2025

A. Zeghib

DOI

On the Pascal simplex with hypercomplex entries

Carla Cruz

Helmuth R. Malonek

Graça Tomaz

DOI

Qualitative properties of solutions to parabolic anisotropic equations: Part II - The anisotropic Trudinger’s equation

Arxiv | 2025

S. Ciani

M.O. Savchenko

I.I. Skrypnik

DOI

A multi-risk criteria assessment methodology applied to the analysis of nitrogen dioxide concentrations in European capital cities

DOI

The completeness problem on the pseudo-homothetic Lie group

Differential Geometry and Its Application | 2025

A. Zeghib

DOI

A Note on Hybrid Numbers with Generalized Hybrid k-Pell Numbers as Coefficients

Elen Spreafico

Eudes Costa

DOI

On the continuity of solutions to anisotropic elliptic operators in the limiting case

Bulletin of the London Mathematical Society | 2025

S. Ciani

I.I. Skrypnik

DOI

A Note on the Fuzzy Leonardo Numbers

E.V.P. Spreafico

E.A. Costa

DOI

An evolutionary vector-valued variational inequality and Lagrange multiplier

Journal of Mathematical Analysis and Applications | 2025
DOI

On the Drazin inverse of double star digraph matrices: Index characterization and pseudo-inverses

Lisbon Young Mathematicians Conference 2025 | 2025

Cláudia Araújo

Pedro Patrício

FAUSTINO. Autor correspondente: MACIALA

Interpretação Combinatória dos termos de algumas Sequências Recorrentes via Tabuleiro e Ladrilhamentos

Francisco Alves

Renata Vieira

DOI

A Complete Characterization of the Drazin Index in Double Star Digraphs

CMAT Open Day 2025 | 2025

Pedro Patrício

F. A.. Autor correspondente: Maciala

Abordagem prática para a utilização do software octave: transferência de calor por condução unidimensional em regime transiente

Caires Sassupe

Armando Soares

Manuel Reis

DOI

Fine Boundary Continuity for Degenerate Double-Phase Diffusion

Potential Analysis | 2025

S. Ciani

I.I. Skrypnik

DOI

Asthma and severe acute respiratory infections: a stratified analysis of mortality patterns in Brazil

BMC Public Health | 2025

Victor Leiva

Viviana Giampaoli

Diana Prieto

Carlos Martin-Barreiro

Johanna Viana

DOI

Using GeoGebra as a tool for teaching the Padovan board and tiling

Renata Vieira

Francisco Alves

DOI

Isospectral reductions of non-negative matrices

Applied Mathematics and Computation | 2025

Alexandre Baraviera

Pedro Duarte

Longmei Shu

DOI

Distributed Generalized Linear Models: A Privacy-Preserving Approach

Computational Statistics | 2025

Daniel Tinoco

Carlos Baquero

DOI

The Conceptions of Future Primary Teachers About the Development of Computational Thinking Through a Card Game

André Joaquim

Ana Morais

Ana Aires

DOI

New Frontiers in Statistics and Data Science

Springer Nature Switzerland | 2025

Lígia Henriques-Rodrigues

Luís Machado

Susana Faria

Miguel de Carvalho

DOI

Joint model for zero-inflated data combining fishery-dependent and fishery-independent sources

Spatial Statistics | 2025

Daniela Silva

Gonçalo Araújo

Renato Rosa

Ana Moreno

Alexandra Silva

Susana Garrido

DOI

Revisiting fatigue-life distributions of Birnbaum-Saunders type: Mathematical characterization, simulation study, and applications

Applied Mathematical Modelling | 2025

Chang Dorea

Roberto Vila

Victor Leiva

Felipe Quintino

DOI

Multi-Factor Optimization and Failure-Tolerant Design of Cable-Driven Parallel Manipulators in Deep-Sea Robotics

IEEE Access | 2025

Asim Ghaffar

Muhammad Rahman

Victor Leiva

Carlos Martin-Barreiro

DOI

Distributed Formation Control of Double-Integrator Systems via Adaptive CBFs with Dynamic Safety Margins

Guettaf Wahid

Bouderah Brahim

DOI

Evaluating the Impact of Dataset Size on Classical and Topological Feature Extraction for Gait Classification

Matheus Carvalho

Wolfram Erlhagen

Miguel Gago

Estela Bicho

DOI

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

Ana Pedra

DOI

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

M. Fernanda P. Costa

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

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

Bioanalysis | 2025

Victor Leiva

DOI

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

Computational and Applied Mathematics | 2025

Roberto Vila

Helton Saulo

Carolina Marchant

Victor Leiva

DOI

Machine Learning-Based Ground Motion Modeling for Seismic Scenarios in Stable Continental Regions: Lisbon’s Case

Mediterranean Geosciences Union (MedGU) 2025 | 2025

Óscar Costa

Paula Reis

António Silva

Óscar. Costa

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

Gloria Carrascal

Jairo Plaza

DOI