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Marcel Grossmann Meetings are formed to further the development of General Relativity by promoting theoretical understanding in the fields of physics, mathematics, astronomy and astrophysics and to direct future technological, observational, and experimental efforts. In these meetings are discussed recent developments in classical and quantum gravity, general relativity and relativistic astrophysics, with major emphasis on mathematical foundations and physical predictions, with the main objective of gathering scientists from diverse backgrounds for deepening the understanding of spacetime structure and reviewing the status of test-experiments for Einstein's theory of gravitation. The range o...
This is the first detailed account of a new approach to microphysics based on two leading ideas: (i) the explicit dependence of physical laws on scale encountered in quantum physics, is the manifestation of a fundamental principle of nature, scale relativity. This generalizes Einstein's principle of (motion) relativity to scale transformations; (ii) the mathematical achievement of this principle needs the introduction of a nondifferentiable space-time varying with resolution, i.e. characterized by its fractal properties.The author discusses in detail reactualization of the principle of relativity and its application to scale transformations, physical laws which are explicitly scale dependent, and fractals as a new geometric description of space-time.
On the occasion of the World Year of Physics, which commemorated the centenary of the publication of several major papers by Einstein and the birth of the Theory of Relativity, this edition of the Spanish Relativity Meeting is endeavored to cover as many aspects as possible of the foundations, applications and future vistas of this branch of modern physics. Topics included are: foundations of special and general relativity, observational tests, relativistic astrophysics, gravitational waves, numerical relativity, cosmology, early universe, dark matter, exact solutions of Einstein equations, black holes, quantum gravity, string theory, discrete space-time, non-commutative geometry, relativistic statistical and nuclear physics, compact stars, and historical and philosophical perspectives.
Also available online as part of the Gale Virtual Reference Library under the title Complete dictionary of scientific biography.
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En este libro se tratan -entre otros muchos- temas en torno a nuestra existencia tan fundamentales como los de la materia que nos compone, la vida y el elan vital que nos anima, o la mente y la consciencia que constituyen -o parecen constituir- nuestro “yo” más íntimo. Temas que se abordan desde los más avanzados y actuales conocimientos científicos, aun siendo conscientes y poniendo de manifiesto las esenciales limitaciones propias de este tipo de conocimientos. Todo ello en un intento de Consolación de la Filosofía: humilde intento que se conforma con tan solo poder vislumbrar, en su rocosa resistencia, una pequeña grieta abierta a la esperanza.