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Complexity, Entropy and the Physics of Information
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In this article, the authors discuss the connections between quantum and classical physics, information and its transfer, computation, and their significance for the formulation of physical theories, but also consider the origins and evolution of the information-processing entities, their complexity, and the manner in which they analyze their perceptions to form models of the Universe.Abstract:
This book has emerged from a meeting held during the week of May 29 to June 2, 1989, at St. John’s College in Santa Fe under the auspices of the Santa Fe Institute. The (approximately 40) official participants as well as equally numerous “groupies” were enticed to Santa Fe by the above “manifesto.” The book—like the “Complexity, Entropy and the Physics of Information” meeting explores not only the connections between quantum and classical physics, information and its transfer, computation, and their significance for the formulation of physical theories, but it also considers the origins and evolution of the information-processing entities, their complexity, and the manner in which they analyze their perceptions to form models of the Universe. As a result, the contributions can be divided into distinct sections only with some difficulty. Indeed, I regard this degree of overlapping as a measure of the success of the meeting. It signifies consensus about the important questions and on the anticipated answers: they presumably lie somewhere in the “border territory,” where information, physics, complexity, quantum, and computation all meet.read more
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Physical complexity of variable length symbolic sequences
Gerard Briscoe,Philippe De Wilde +1 more
TL;DR: This work investigates an extension of physical complexity to support variable length populations, and builds upon this to construct a measure for the efficiency of information storage, which is later used in understanding clustering within populations.
Journal ArticleDOI
On Divergence of Decoherence Factor in Quantum Cosmology
TL;DR: In this paper, the divergence of the decoherence factor and the peak of the Wigner function in a quantum cosmology model were discussed, in a Robertson-Walker universe model coupled with a scalar field, and the result was discussed in connection with the arbitrariness of system/environment splitting.
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