José Abílio Matos

Faculdade de Economia da Universidade do Porto

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2022

A Time-Splitting Tau Method for PDE's: a Contribution for the Spectral Tau Toolbox Library

Mathematics in Computer Science | 2022 | article
2022

Efficiency Drifts in Euronext Stock Indexes Returns

International Journal of Business | 2022 | article

LMP Gomes

VJS Soares

2021

Effectiveness of Floating-Point Precision on the Numerical Approximation by Spectral Methods

Mathematical and Computational Applications | 2021 | article
2019

Component analysis in financial time series

CHAOS 2014 - Proceedings: 7th Chaotic Modeling and Simulation International Conference | 2019 | inproceedings

JM Salgado

2019

Persistence in the Bel-20 Index Returns: Spurious Long Memory Effect?

Education Excellence and Innovation Management Through Vision 2020 | 2019 | inproceedings

LMP Gomes

VJS Soares

2018

Estimating and testing long memory in Portuguese stock market returns

Proceedings of the 32nd International Business Information Management Association Conference, IBIMA 2018 - Vision 2020: Sustainable Economic Development and Application of Innovation Management from Regional expansion to Global Growth | 2018 | inproceedings

LMP Gomes

VJS Soares

2018

Long-term memory in Euronext stock indexes returns: An econophysics approach

Business and Economic Horizons | 2018 | article

LMP Gomes

VJS Soares

2015

Intrinsic vs. spurious long-range memory in high-frequency records of environmental radioactivity Critical re-assessment and application to indoor Rn-222 concentrations from Coimbra, Portugal

European Physical Journal-special Topics | 2015 | article

AJSC Pereira

LJPF Neves

RV Donner

SM Barbosa

SM Potirakis

2014

A Wavelet-Based Method to Measure Stock Market Development

Open Journal of Statistics - OJS | 2014 | article

AA Sharkasi

HJ Ruskin

M Crane

2011

A Study of Correlation and Entropy for Multiple Time Series

Nonlinear Science and Complexity | 2011 | inproceedings

A Al Sharkasi

HJ Ruskin

M Crane

2008

Time and scale Hurst exponent analysis for financial markets

Physica A-statistical Mechanics and Its Applications | 2008 | article

A Al Sharkasi

HJ Ruskin

M Crane

2006

The reaction of stock markets to crashes and events: a comparison study between emerging and mature markets using wavelet transforms

Physica A-statistical Mechanics and Its Applications | 2006 | article

A Sharkasi

HJ Ruskin

M Crane

2004

An econophysics approach to the Portuguese Stock Index - PSI-20

Physica A-statistical Mechanics and Its Applications | 2004 | article

HJ Ruskin

JAMS Duarte

1999

On a conservative lava flow automaton

International Journal of Modern Physics C | 1999 | article

JAMS Duarte

1997

Genetic and environmental factors regulating blood pressure in childhood: Prospective study from 0 to 3 years

Journal of Human Hypertension | 1997 | article

A Guerra

A Pereira

A Prata

C Monteiro

C Rego

D Silva

H Jardim

L Breitenfeld

M Bicho

NT Santos