Publications
Publicações

Publications

A note on telephone numbers and their matrix generators

Notes on Number Theory and Discrete Mathematics | 2023

Francisco Alves

Renata Vieira

DOI

On the Hyperbolic Leonardo and Hyperbolic Francois Quaternions

Journal of New Theory | 2023

Orhan DIŞKAYA

Hamza MENKEN

DOI

Constructive semigroups with apartness - a state of the art

arXiv | 2023

M. Mitrović

M.N. Hounkonnou

DOI

An Epidemiological Analysis for Assessing and Evaluating COVID-19 Based on Data Analytics in Latin American Countries

Biology | 2023

Victor Leiva

Esdras Alcudia

Julia Montano

DOI

On Fuzzy and Crisp Solutions of a Novel Fractional Pandemic Model

Fractal and Fractional | 2023

Kalpana Umapathy

Balaganesan Palanivelu

Victor Leiva

Prasantha Dhandapani

DOI

Robust Semi-Parametric Inference for Two-Stage Production Models: A Beta Regression Approach

Symmetry | 2023

Raydonal Ospina

Samuel Baltazar

Victor Leiva

Jorge Figueroa-Zúñiga

DOI

Quasi-Cauchy Regression Modeling for Fractiles Based on Data Supported in the Unit Interval

Fractal and Fractional | 2023

Raydonal Ospina

Victor Leiva

Jorge Figueroa-Zúñiga

DOI

An Overview of Forecast Analysis with ARIMA Models during the COVID-19 Pandemic: Methodology and Case Study in Brazil

Mathematics | 2023

Raydonal Ospina

João Gondim

Victor Leiva

DOI

Biased Random-Key Genetic Algorithm with Local Search Applied to the Maximum Diversity Problem

Mathematics | 2023

Geiza Silva

André Leite

Raydonal Ospina

Victor Leiva

Jorge Figueroa-Zúñiga

DOI

Divisibility of Finite Geometric Series

Bulletin of the Malaysian Mathematical Sciences Society | 2023

Robert Hartwig

DOI

Synchronization of coupled map lattices

Proceedings of the Edinburgh Mathematical Society | 2023

Alexandre Baraviera

Pedro Duarte

A Two-Step Quaternionic Root-Finding Method

Ricardo Severino

Maria Soares

DOI

Remarks on the Vietoris Sequence and Corresponding Convolution Formulas

Isabel Cação

Helmuth Malonek

Graça Tomaz

DOI

The Stability of Complex Dynamics for Two Families of Coquaternionic Quadratic Polynomials

Ricardo Severino

Maria Soares

DOI

Clustering analysis for household week-daily water consumption profiles characterization

XXX Jornadas de Classificação e Análise de Dados | 2023

João Bastos

Duarte Silva

Wolfram Erlhagen

Estela Bicho

Modeling of hourly water consumption of residential clients in the north of Portugal

XXX Jornadas de Classificação e Análise de Dados | 2023

Tatiana Cunha

Eliana Costa e Silva

Science communication theory and practice among geoscientists

Jornadas do ICT | 2023

Joana Rodrigues

Elsa Costa e Silva

Diamantino Pereira

Para alem do binário: Lógica Fuzzy na modelação de problemas complexos

Geoscientists’ views about science communication: predicting willingness to communicate geoscience

Geoscience Communication | 2023

Joana Rodrigues

Elsa Costa e Silva

D. I. Pereira

Elsa Costa e Silva

Diamantino Insua Pereira

DOI

Existence and stability of a periodic solution of a general difference equation with applications to neural networks with a delay in the leakage terms

Communications in Nonlinear Science and Numerical Simulation | 2023

António Bento

César Silva

DOI

An Overview of Kriging and Cokriging Predictors for Functional Random Fields

Mathematics | 2023

Ramón Giraldo

Victor Leiva

DOI

On a class of nonlocal problems with fractional gradient constraint

European Congress of Mathematics | 2023

JOSÉ-FRANCISCO RODRIGUES

DOI

Fractional Transformation-Based Decentralized Robust Control of a Coupled-Tank System for Industrial Applications

Fractal and Fractional | 2023

Muhammad Rahman

Victor Leiva

Asim Ghaffar

Carlos Martin-Barreiro

Aashir Waleed

Xavier Cabezas

DOI

O estado da arte da sequência de Perrin: uma análise dos aspectos evolutivos

#Tear: Revista de Educação, Ciência e Tecnologia | 2023

Renata Vieira

Francisco Alves

DOI

O ESTUDO DO MODELO COMBINATÓRIO DE PADOVAN POR MEIO DA ENGENHARIA DIDÁTICA

Revista Binacional Brasil-Argentina: Diálogo entre as ciências | 2023

Renata Vieira

Francisco Alves

DOI

Nonparametric estimation of the distribution of gap times for recurrent events

Statistical Methods & Applications | 2023

Luís Meira-Machado

DOI

Advanced Polymer Simulation and Processing Volume II

S. A. Faroughi

Luís Jorge Lima Ferrás

Alexandre Afonso

DOI

Advanced Polymer Simulation and Processing Volume I

S. A. Faroughi

Luís Jorge Lima Ferrás

Alexandre Afonso

DOI

A Primer on CFD-DEM for Polymer-Filled Suspensions

Applied Sciences | 2023

Alexandre Afonso

DOI

The Generalization of Gaussians and Leonardo's Octonions

Annales Mathematicae Silesianae | 2023

R.P.M. Vieira

M.C. Dos Santos Mangueira

F.R.V. Alves

DOI

A Note on k-Telephone and Incomplete k-Telephone Numbers

Springer Proceedings in Mathematics and Statistics | 2023

E. Morais

H. Campos

DOI

A Note on Special Matrices Involving k-Bronze Fibonacci Numbers

Springer Proceedings in Mathematics and Statistics | 2023

S. Ricardo

DOI

BIBLIOGRAPHIC REVIEW ON TEACHING ORTHOGONAL PROJECTIONS WITH 3D TECHNOLOGY

Cacilda Chivai

Armando Soares

DOI

Geodesic completeness of pseudo and holomorphic-Riemannian metrics on Lie groups

Nonlinear Analysis | 2023

Ahmed Elshafei

Helena Reis

DOI

New algorithm for solving pentadiagonal CUPL-Toeplitz linear systems

Computational and Applied Mathematics | 2023

Hcini Fahd

DOI

A study of the complexification process of the (s,t)-Perrin sequence

Notes on Number Theory and Discrete Mathematics | 2023

Renata Vieira

Francisco Al

DOI

Tutorial R Shiny

Hugo Costeira

João Gouveia

Pedro Martins

João Silva

Geoscientists' views about science communication: predicting willingness to communicate geoscience

Geoscience Communication | 2023

Joana Rodrigues

Elsa Costa e Silva

Diamantino Insua Pereira

Elsa Costa e Silva

D. I. Pereira

DOI

Inseparable Gershgorin discs and the existence of conjugate complex eigenvalues of real matrices

Linear and Multilinear Algebra | 2023

Charles Johnson

Frank Qiu

DOI

Using survey data to estimate the impact of the omicron variant on vaccine efficacy against COVID-19 infection

Scientific Reports | 2023

Jesús Rufino

Carlos Baquero

Davide Frey

Christin Glorioso

Antonio Ortega

Nina Reščič

Julian Roberts

DOI

A portfolio stock selection model based on expected utility, entropy and variance

Expert Systems with Applications | 2023
DOI

Cortisol reactivity and negative affect among preterm infants at 12 months during a mother-infant interaction task

Infant Behavior and Development | 2023

Vanessa Moutinho

Joana Baptista

Ana Mesquita

Dieter Wolke

Carolina Toscano

Carla Moreira

DOI

Meteorological Time Series: An Exploratory Statistical and Critical Analysis

F. Pereira

Marco Costa

Celina Leão

DOI

On circulant and skew-circulant splitting algorithms for (continuous) Sylvester equations

Computers & Mathematics with Applications | 2022

Zhongyun Liu

Fang Zhang

DOI

A real triple dqds algorithm for the nonsymmetric tridiagonal eigenvalue problem

Numerische Mathematik | 2022

Beresford Parlett

DOI

A Note on Vietoris’ Number Sequence

Mediterranean Journal of Mathematics | 2022
DOI

Hybrid Quaternions of Leonardo

Trends in Computational and Applied Mathematics | 2022

M. Mangueira

F. Alves

DOI

Rarefied relativistic polyatomic gases in a gravitational field

Continuum Mechanics and Thermodynamics | 2022

João Oliveira

M. Ramos

DOI