Search Results - "Calheiros, Francisco Lage"
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The eigenstructure of block-structured correlation matrices and its implications for principal component analysis
Published in Journal of applied statistics (01-04-2010)“…Block-structured correlation matrices are correlation matrices in which the p variables are subdivided into homogeneous groups, with equal correlations for…”
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Journal Article -
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Análise combinatória no estudo das transições de fase dos sistemas de spin vectorial
Published 01-01-1985“…Os cientistas expérimentais e os técnicos, geralmente olham com maus olhos os resultados rigorosos. Argumentam, corn alguma razao, que as questoes fisicamente…”
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Dissertation -
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Systemes de Spin Vectoriel : Existence D'Une Transition de Phase Pour le Modele D'Heisenberg Antiferromagnetique et Anisotrope
Published 01-01-1980“…Soit un réseau est la dimension du réseau. En chaque site (élément) du réseau, mous supposons que l'état du systéme est caractérisé par un point d'un espace…”
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Dissertation