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Journal Article
Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, ISSN 1364-5021, 03/2015, Volume 471, Issue 2175, p. 20140541
Journal Article
PLoS ONE, ISSN 1932-6203, 2010, Volume 5, Issue 12, p. e15032
What are the dominant stocks which drive the correlations present among stocks traded in a stock market? Can a correlation analysis provide an answer to this... 
INFORMATION | MULTIDISCIPLINARY SCIENCES | NETWORKS | Models, Theoretical | New York | Algorithms | Investments - economics | Humans | Models, Economic | Models, Statistical | Forecasting | Marketing - economics | Stock-exchange | Stocks | Financial markets | Studies | Construction standards | Networks | Return on investment | Stock exchanges | Correlation analysis | Time series | Equity | Markets | Empirical analysis | Methods
Journal Article
PLoS ONE, ISSN 1932-6203, 2011, Volume 6, Issue 3, p. e17994
Many complex systems present an intrinsic bipartite structure where elements of one set link to elements of the second set. In these complex systems, such as... 
COMMUNITY STRUCTURE | SOCIAL NETWORKS | MULTIDISCIPLINARY SCIENCES | DISCOVERY | Models, Theoretical | Models, Biological | Protein Interaction Mapping | Actresses | Actors | Hypothesis testing | Heterogeneity | Specialization | Null hypothesis | Hypotheses | Databases | Stock exchanges | Taxonomy | Collaboration | Complex systems | Physics
Journal Article
Journal Article
Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, ISSN 1539-3755, 08/2011, Volume 84, Issue 2, p. 026108
We investigate the daily correlation present among market indices of stock exchanges located all over the world in the time period January 1996 to July 2009.... 
DYNAMIC ASSET TREES | PHYSICS, FLUIDS & PLASMAS | EQUITY MARKETS | CROSS-CORRELATIONS | NOISE | NETWORK STRUCTURE | PHYSICS, MATHEMATICAL
Journal Article
New Journal of Physics, ISSN 1367-2630, 2014, Volume 16, Issue 8, pp. 83038 - 24
Big data open up unprecedented opportunities for investigating complex systems, including society. In particular, communication data serve as major sources for... 
statistically validated networks | 3-motifs | social systems | complex networks | mobile call records | PREDICTABILITY | PHYSICS, MULTIDISCIPLINARY | PATTERNS | Datasets | Mobile communication systems | Wireless networks | Cell phones | Test procedures | Data sets | Evolution | Social networks | Social factors | Communication networks | Complex systems | Communication | Networks | Construction | China | Links | Recording | Statistics
Journal Article
New Journal of Physics, ISSN 1367-2630, 01/2012, Volume 14, Issue 1, p. 13041
We use statistically validated networks, a recently introduced method of validating links in a bipartite system, to identify clusters of investors trading in a... 
MODELS | PHYSICS, MULTIDISCIPLINARY | STOCK-MARKET | BEHAVIOR | TRADERS | NETWORKS | ZERO-INTELLIGENCE
Journal Article
PLoS ONE, ISSN 1932-6203, 03/2013, Volume 8, Issue 3, p. e58910
By analyzing a database of a questionnaire answered by a large majority of candidates and elected in a parliamentary election, we quantitatively verify that... 
MULTIDISCIPLINARY SCIENCES | CANDIDATES | Algorithms | Humans | Sex Factors | Probability | Female | Male | Surveys and Questionnaires | Politics | Models, Statistical | Voting | Analysis | Political parties | Economic models | Agglomeration | Gender | Stereotypes | Studies | Elections | Voter behavior | Databases | Political science | Questionnaires | Information processing | Voters | Quantitative analysis | Data bases
Journal Article
International Journal of Mechanical Engineering Education, ISSN 0306-4190, 4/2019, Volume 47, Issue 2, pp. 99 - 117
Introductory courses of physics should provide engineering students – especially mechanical engineering students – with a working knowledge of the laws of... 
first law of thermodynamics | Applied mechanics | mechanical engineering education | principle of relativity of classical physics | conservation laws of mechanical quantities
Journal Article
Quantitative Finance: Special Issue on Interlinkages & Systemic Risk, ISSN 1469-7688, 04/2015, Volume 15, Issue 4, pp. 693 - 710
Interbank markets allow credit institutions to exchange capital for purposes of liquidity management. These markets are among the most liquid markets in the... 
Statistically validated networks | Preferential links | Interbank rates | Interbank markets | BUSINESS, FINANCE | MATHEMATICS, INTERDISCIPLINARY APPLICATIONS | G21 | SYSTEMIC RISK | SOCIAL SCIENCES, MATHEMATICAL METHODS | G15 | ECONOMICS
Journal Article
Proceedings: Mathematical, Physical and Engineering Sciences, ISSN 1364-5021, 3/2015, Volume 471, Issue 2175, pp. 1 - 17
In 2012, Barry Cox and James Hill published a new and elegant way to deduce the formulae of extended relativity, developed by Erasmo Recami and others during... 
Journal Article
Quantitative Finance: Themed Issue on Trading, ISSN 1469-7688, 02/2015, Volume 15, Issue 2, pp. 213 - 229
We investigate the trading behaviour of a large set of single investors trading the highly liquid Nokia stock over the period 2003-2008 with the aim of... 
Financial markets | Information in capital markets | Empirical time series analysis | Investor behaviour | Heterogeneity of agents | ATTENTION | D14 | INFORMATION | COVERAGE | RETURNS | SENTIMENT | STOCK-PRICE REACTION | DRIFT | BUSINESS, FINANCE | IMPACT | MATHEMATICS, INTERDISCIPLINARY APPLICATIONS | MEDIA | SOCIAL SCIENCES, MATHEMATICAL METHODS | ECONOMICS | D81 | VOLATILITY | D83
Journal Article
Journal of Economic Dynamics and Control, ISSN 0165-1889, 01/2015, Volume 50, pp. 98 - 116
In this paper, we introduce a model of interbank trading with memory. The memory mechanism is used to introduce a proxy of trust in the model. The key idea is... 
Statistically validated networks | Interbank market | Network formation | Java/Mason | TOPOLOGY | FINANCIAL NETWORKS | SYSTEMIC RISK | CONTAGION | ECONOMICS | COMPLEX NETWORKS | Financial markets
Journal Article
Quantitative Finance: Special Issue on High Frequency Data Modeling in Finance, ISSN 1469-7688, 08/2015, Volume 15, Issue 8, pp. 1375 - 1386
According to the leading models in modern finance, the presence of intraday lead-lag relationships between financial assets is negligible in efficient markets.... 
Statistically validated networks | Stock returns | Bootstrap method | Financial markets | High-frequency data | Lead-lag correlations | C55 | PRICES | G41 | C15 | MARKETS | RETURNS | CORRELATION-BASED NETWORKS | BUSINESS, FINANCE | COMOVEMENTS | MATHEMATICS, INTERDISCIPLINARY APPLICATIONS | TREES | SYSTEMS | SOCIAL SCIENCES, MATHEMATICAL METHODS | ECONOMICS
Journal Article
Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, ISSN 1539-3755, 09/2007, Volume 76, Issue 3, p. 031123
We show that the Kullback-Leibler distance is a good measure of the statistical uncertainty of correlation matrices estimated by using a finite set of data.... 
PHYSICS, MATHEMATICAL | PHYSICS, FLUIDS & PLASMAS | MATRICES | EXPRESSION DATA
Journal Article
International Journal of Bifurcation and Chaos, ISSN 0218-1274, 07/2007, Volume 17, Issue 7, pp. 2319 - 2329
We introduce a new technique to associate a spanning tree to the average linkage cluster analysis. We term this tree as the Average Linkage Minimum Spanning... 
Cluster analysis | Bootstrap | Correlation analysis | Complex networks | FINANCIAL-MARKETS | INTERNET | UNIVERSAL | INFORMATION | MULTIDISCIPLINARY SCIENCES | bootstrap | complex networks | IDENTIFICATION | RANDOM MATRICES | correlation analysis | EXPRESSION PATTERNS | MATHEMATICS, INTERDISCIPLINARY APPLICATIONS | DYNAMIC ASSET TREES | TIME-SERIES | cluster analysis
Journal Article