Argimiro Arratia Quesada
Argimiro Arratia Quesada
Universitat Politécnica de Catalunya, Spain
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Forecasting with Twitter Data
M Arias, A Arratia, R Xuriguera
Computational finance
A Arratia
An Introductory Course with R, Atlantis Studies in Computational Finance and …, 2014
GeoSRS: A hybrid social recommender system for geolocated data
J Capdevila, M Arias, A Arratia
Information Systems 57, 111-128, 2016
Generalized Hex and logical characterizations of polynomial space
AA Arratia-Quesada, IA Stewart
Information processing letters 63 (3), 147-152, 1997
Hierarchies in classes of program schemes
AA Arratia-Quesada, SR Chauhan, IA Stewart
Journal of Logic and Computation 9 (6), 915-957, 1999
A Construction of Continuous Time ARMA Models by Iterations of Ornstein-Uhlenbeck Processes
A Arratia, A Cabana, E Cabaña
SORT-Statistics and Operations Research Transactions 40 (2), 267-302, 2016
A Graphical Tool for Describing the Temporal Evolution of Clusters in Financial Stock Markets
A Arratia, A Cabaña
Computational Economics, 1-19, 2012
On the descriptive complexity of a simplified game of Hex
A Arratia
Logic Journal of IGPL 10 (2), 105-122, 2002
Modeling stationary data by a class of generalized ornstein-uhlenbeck processes: The gaussian case
A Arratia, A Cabana, EM Cabana
International Symposium on Intelligent Data Analysis, 13-24, 2014
Multivariate dynamic kernels for financial time series forecasting
M Pena, A Arratia, LA Belanche
International Conference on Artificial Neural Networks, 336-344, 2016
A note on first-order projections and games
AA Arratia Quesada, IA Stewart
Theoretical Computer Science 290 (3), 2085-2093, 2003
On graph combinatorics to improve eigenvector-based measures of centrality in directed networks
A Arratia, C Marijuán
Linear Algebra and Its Applications 504, 325-353, 2016
Ranking pages and the topology of the web
A Arratia, C Marijuán
arXiv preprint arXiv:1105.1595, 2011
Forecasting financial time series with multiple kernel learning
L Fábregues, A Arratia, LA Belanche
International Work-Conference on Artificial Neural Networks, 176-187, 2017
Towards a sharp estimation of transfer entropy for identifying causality in financial time series
A Serès, AA Cabaña, AA Arratia Quesada
Proceedings of the 1st Workshop on MIning DAta for financial applicationS …, 2016
Expressive power and complexity of a logic with quantifiers that count proportions of sets
A Arratia, CE Ortiz
Journal of Logic and Computation 16 (6), 817-840, 2006
Approximating the expressive power of logics in finite models
A Arratia, CE Ortiz
Latin American Symposium on Theoretical Informatics, 540-556, 2004
Do google trends forecast bitcoins? stylized facts and statistical evidence
A Arratia, AX López-Barrantes
Journal of Banking and Financial Technology, 1-13, 2021
Estimating the real burden of disease under a pandemic situation: The SARS-CoV2 case
A Fernández-Fontelo, D Moriña, A Cabaña, A Arratia, P Puig
PloS one 15 (12), e0242956, 2020
American and exotic options in a market with frictions
G Junike, A Arratia, A Cabaña, W Schoutens
The European Journal of Finance 26 (2-3), 179-199, 2020
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