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THE C*-ALGEBRAS ASSOCIATED TO TIME-t AUTOMORPHISMS OF MAPPING TORI
(2006)
We find the range of a trace on the K0 group of a crossed product by a time-t automorphism of a mapping torus. We also find a formula to compute the Voiculescu-Brown entropy for such an automorphism. By specializing to the ...
Tracking the recovery of visuospatial attention deficits in mild traumatic brain injury
(2006)
The goal of the current investigation was to probe the deficits in the alerting, orienting and executive components of visuospatial attention in individuals who have recently suffered a mild traumatic brain injury (mTBI) ...
WAYS OF REASONING AND TYPES OF PROOFS THAT MATHEMATICS TEACHERS SHOW IN TECHNOLOGY-ENHANCED INSTRUCTION
(2006)
In this report we document and analyze the ways of reasoning and types of proofs employed by high school mathematics teachers to validate conjectures and to justify procedures in order to solve problems, which emerge when ...
Las Matemáticas en la vida diaria
(2006)
Si las matemáticas son tan útiles como dicen algunos,
¿porque en mis cursos no lo veo? ´ Un estudiante de
preparatoria
La Naturaleza está escrita en lenguaje matemático ,
Galileo Galilei (1564-1642)