Publications
Publicações

Publications

On orthogonal integrators for isospectral flows

Applied Mathematics and Computation | 2027

R. Ralha

Z. Liu

C. Ferreira

DOI

A Daily-Grid Hazards-to-Dynamics Framework for Inpatient Flow

Ana Soares

Ana Amorim

Alexandre Magalhães

DOI

Transformation–conditioning Heckman-type selection models with extended skew-elliptical errors: mathematical characterization, computational aspects, and applications

Computational and Applied Mathematics | 2027

Roberto Vila

Víctor Leiva

Helton Saulo

Carolina Marchant

DOI

On the index of an anti-triangular block matrix

Applied Mathematics and Computation | 2027

Faustino Maciala

Xavier Mary

DOI

Persistent homology analysis of unemployment dynamics

XXXIII Meeting of the Portuguese Association for Classification and Data Analysis (JOCLAD 2026) | 2026

Jhonathan Barrios

ON THE GENERALIZED LEONARDO QUATERNIONS AND ASSOCIATED SPINORS

KRAGUJEVAC JOURNAL OF MATHEMATICS | 2026
DOI

On Generalized Inverses of Matrices Associated with Certain Graph Classes

Mediterranean Journal of Mathematics | 2026
DOI

When is a product of EP elements again EP?

Linear and Multilinear Algebra | 2026

Xavier Mary

DOI

Global stability for functional differential equations with infinite delay and applications to Hopfield-type neural networks

Journal of Dynamics and Differential Equations | 2026

Teresa Faria

DOI

Can Relativistic Effects explain Galactic Dynamics without Dark Matter?

J.Phys.Conf.Ser. | 2026

José Natário

DOI

Reaction–Diffusion Systems from Kinetic Models for Bacterial Communities on a Leaf Surface

Journal of Nonlinear Science | 2026

Marzia Bisi

Ana Soares

Romina Travaglini

DOI

Generalized inverses of special matrices partitioned into blocks

RENDICONTI DEL CIRCOLO MATEMATICO DI PALERMO | 2026

Regina De Almeida

M. Vicente

José Vitória

DOI

Drazin inverses and walk structure of oriented Dutch windmill graphs

Mathematica Slovaca | 2026
DOI

Clustering smartwatch heart rate features for subject and medication-state analysis

XXXIII Meeting of the Portuguese Association for Classification and Data Analysis (CLAD) | 2026

Jhonathan Barrios

Wolfram Erlhagen

Miguel Gago

Estela Bicho

Convergence of asymptotic systems in Cohen–Grossberg neural network models with unbounded delays

Nonlinear Differential Equations and Applications NoDEA | 2026

A. Elmwafy

César Silva

DOI

Molecular hydrogen and kidney diseases: a scoping review based on scientometry and data analytics

Medical Gas Research | 2026

Johanna Viana

Victor Leiva

DOI

Multimodal exponential-polynomial families on constrained supports via monotone transformations

Statistical Papers | 2026

Roberto Vila

Felipe Quintino

Víctor Leiva

Helton Saulo

DOI

Genericity of ergodicity for Sobolev homeomorphisms

Ergodic Theory and Dynamical Systems | 2026

DAVIDE AZEVEDO

MÁRIO BESSA

MARIA TORRES

DOI

Data-Driven Decision Support System for Managing Discrepancies in Textile Ordering Operations

Proceedings of the 18th International Conference on Agents and Artificial Intelligence | 2026

Miguel Martins

Daniela Quintas

Ivan Gomes

Rui Fonseca

DOI

Symbolic and Numerical Computation of Coquaternionic Functions in Mathematica

Ricardo Severino

DOI

A BiLSTM Approach to Outfit Compatibility and Image Similarity

Lecture Notes in Business Information Processing | 2026

Luís Silva

Francisco Oliveira

Ivan Gomes

João Oliveira

DOI

On defining astronomically meaningful Reference Frames in General Relativity

J.Phys.Conf.Ser. | 2026

Francisco Frutos-Alfaro

José Natário

Michael Soffel

DOI

SEQUÊNCIAS NUMÉRICAS E SUA ABORDAGEM VIA TABULEIRO COM LADRILHOS: EXEMPLOS DE UMA INVESTIGAÇÃO COLABORATIVA BRASIL X PORTUGAL

Didácticas Específicas | 2026

Regis Francisco

Renata Vieira

Milena Mangueira

DOI

On Matrices with Bidimensional Fibonacci Numbers

Annales Mathematicae Silesianae | 2026

Eudes Costa

DOI

The Mandelbrot Set for a Coquaternionic Family of Quadratics

Ricardo Severino

DOI

Smart Energy Management for Electric Vehicles: A Modular Approach Using Solar Predictions for Battery Charging Optimization

Beatriz Teixeira

Tiago Pinto

Paulo Vasco

Arsénio Reis

João Barroso

DOI

Relações Recorrentes t-dimensionais dos números multifigurados quadrados-nonagonais

C.Q.D. - Revista Eletrônica Paulista de Matemática | 2026

Francisco Bezerra

Francisco Alves

Eudes Costa

DOI

Números multifigurados e a relação de recorrência

Revista Professor de Matemática On line | 2026

Francisco Alves

Francisco Bezerra

Eudes Costa

DOI

Topological descriptors of foot clearance gait dynamics improve differential diagnosis of Parkinsonism

Wolfram Erlhagen

Miguel Gago

Estela Bicho

Flora Ferreira

DOI

Pascal Trapezoids as Wigner Numbers and Some Combinatorial Properties

Isabel Cação

Helmuth Malonek

Graça Tomaz

DOI

Correction: From PDFs to Places: A Semi-Automated, Auditable Workflow to Map Study Localities for Geoheritage Inventories

Geoheritage | 2026

João Faria

José Brilha

Víctor Leiva

DOI

ON SOME IDENTITIES FOR k-FIBONACCI DIFFERENCE SEQUENCE

Journal of Universal Mathematics | 2026

Eudes Costa

Elis Mesquita

DOI

From PDFs to Places: A Semi-Automated, Auditable Workflow to Map Study Localities for Geoheritage Inventories

Geoheritage | 2026

João Faria

José Brilha

Víctor Leiva

DOI

Fractional derivatives in biomathematical models with memory: A critical discussion

Journal of Mathematical Biology | 2026
DOI

Imputation of the Response Variable in Survival Analysis with Interval-Censored Data

Gustavo Soutinho

DOI

Pattern Formation of Bulk-Surface Reaction-Diffusion Systems in a Ball

SIAM Journal on Applied Mathematics | 2026

Edgardo Villar-Sepúlveda

Alan Champneys

Anotida Madzvamuse

DOI

A mathematical model to simulate the biological action of Infliximab on TNF-$$\alpha $$ in patients with Inflammatory Bowel Disease: the critical role of drug clearance

Bulletin of Mathematical Biology | 2026

Ana Portillo

Ángel De Prado

DOI

Sobre a sequência de Lichtenberg: aspectos históricos, matemáticos e sua abordagem via tabuleiro com ladrilhos

Conexões - Ciência e Tecnologia | 2026

Francisco Alves

DOI

Qualitative properties of solutions to parabolic anisotropic equations: part I—expansion of positivity

Journal of Evolution Equations | 2026

Simone Ciani

Mariia Savchenko

Igor Skrypnik

DOI

A Combined Multi-criteria Risk Decision and Rank Aggregation Approach with Multiple Risk Factors with an Application to Greenhouse Gas Emission Risk Assessment of Sectors

Operations Research Forum | 2026
DOI

Limits of sequences of volume preserving homeomorphisms in W1,, for 0 < p < 1

Bulletin des Sciences Mathématiques | 2026
DOI

Reaction-diffusion systems from kinetic models for bacterial communities on a leaf surface

Journal of Nonlinear Science | 2026

Davide Cusseddu

Romina Travaglini

Marzia Bisi

Beyond Kaplan-Meier: A Comprehensive R Package for Interval-Censored Survival Analysis Using Turnbull’s Approach

Marta Azevedo

Gustavo Soutinho

DOI

Extreme risk decision modeling: a new approach with an application to air pollution based on PM2.5

Computational Statistics & Data Analysis | 2026

Marta Ferreira

DOI

Sample-selection regression with bivariate warped skew–elliptical latent variables: Observed-data likelihood and numerical inference

Communications in Nonlinear Science and Numerical Simulation | 2026

Roberto Vila

Felipe Quintino

Cira Otiniano

Víctor Leiva

DOI

Well–posedness and asymptotics of a fractional generalization of a SIS compartment model

Communications in Nonlinear Science and Numerical Simulation | 2026

Rui Ferreira

DOI

Persistence for a class of nonautonomous systems of differential equations with unbounded delays

Mathematical Biosciences | 2026

Teresa Faria

DOI

Parabolic De Giorgi classes with doubly nonlinear, nonstandard growth: local boundedness under exact integrability assumptions

Journal of Differential Equations | 2026

Simone Ciani

Mariia Savchenko

Igor Skrypnik

DOI