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Quasi-Orthogonal Space-Time Block Code presents an up-to-date, comprehensive and in-depth discussion of an important emerging class of space-time codes, called the Quasi-Orthogonal STBC (QO-STBC). Used in Multiple-Input Multiple-Output (MIMO) communication systems, they provide transmit diversity with higher code rates than the well-known orthogonal STBC (O-STBC), yet at lower decoding complexity than non-orthogonal STBC. This book will help readers gain a broad understanding of the fundamental principles as well as the state-of-the-art work in QO-STBC, thus enabling them to appreciate

Space time codes. --- MIMO systems.

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Space and time. --- Relativity (Physics) --- Gravitation --- Nonrelativistic quantum mechanics --- Space and time --- Space of more than three dimensions --- Space-time --- Space-time continuum --- Space-times --- Spacetime --- Time and space --- Fourth dimension --- Infinite --- Metaphysics --- Philosophy --- Space sciences --- Time --- Beginning --- Hyperspace

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Physicists, philosophers and mathematicians never stopped discussing and modifying the notion of space, questioning its status or its relevance: is it a reality or an illusion, a physical object or a metaphysical entity? The ontological status of physical space remains unspecified. This work – Acts of the Colloque of Cargese, 2001- focuses on these questions in the light of the latest knowledge in physics.

Space --- Space and time --- Mathematics --- Space of more than three dimensions --- Space-time --- Space-time continuum --- Space-times --- Spacetime --- Time and space --- Fourth dimension --- Infinite --- Metaphysics --- Philosophy --- Space sciences --- Time --- Beginning --- Hyperspace --- Relativity (Physics)

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Thanks to Einstein's relativity theories, our notions of space and time underwent profound revisions about a 100 years ago. The resulting interplay between geometry and physics has dominated all of fundamental physics since then. This volume contains contributions from leading researchers, worldwide, who have thought deeply about the nature and consequences of this interplay. The articles take a long-range view of the subject and distill the most important advances in broad terms, making them easily accessible to non-specialists. The first part is devoted to a summary of how relativity theorie

Relativity (Physics) --- Space and time. --- Space of more than three dimensions --- Space-time --- Space-time continuum --- Space-times --- Spacetime --- Time and space --- Fourth dimension --- Infinite --- Metaphysics --- Philosophy --- Space sciences --- Time --- Beginning --- Hyperspace --- Gravitation --- Nonrelativistic quantum mechanics --- Space and time

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In Ecstasy, Catastrophe, David Farrell Krell provides insight into two areas of Heidegger's thought: his analysis of ecstatic temporality in Being and Time (1927) and his "political" remarks in the recently published Black Notebooks (1931–1941). The first part of Krell's book focuses on Heidegger's interpretation of time, which Krell takes to be one of Heidegger's greatest philosophical achievements. In addition to providing detailed commentary on ecstatic temporality, Krell considers Derrida's analysis of ekstasis in his first seminar on Heidegger, taught in Paris in 1964–1965. Krell also relates ecstatic temporality to the work of other philosophers, including Aristotle, Augustine, Kant, Schelling, Hölderlin, and Merleau-Ponty; he then analyzes Dasein as infant and child, relating ecstatic temporality to the "mirror stage" theory of Jacques Lacan.The second part of the book turns to Heidegger's Black Notebooks, which have received a great deal of critical attention in the press and in philosophical circles. Notorious for their pejorative references to Jews and Jewish culture, the Notebooks exhibit a level of polemic throughout that Krell takes to be catastrophic in and for Heidegger's thought. Heidegger's legacy therefore seems to be split between the best and the worst of thinking—somewhere between ecstasy and catastrophe.Based on the 2014 Brauer Lectures in German Studies at Brown University, the book communicates the fruits of Krell's many years of work on Heidegger in an engaging and accessible style.

Ontology. --- Space and time. --- Space of more than three dimensions --- Space-time --- Space-time continuum --- Space-times --- Spacetime --- Time and space --- Fourth dimension --- Infinite --- Metaphysics --- Philosophy --- Space sciences --- Time --- Beginning --- Hyperspace --- Relativity (Physics) --- Being --- Necessity (Philosophy) --- Substance (Philosophy) --- Heidegger, Martin,