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The paper herein seeks to study which lessons can be learned from lean thinking, approached in fast fashion, and taken to companies with traditional launches, so that they become more dynamic in the response to the consumer. For such, a bibliographic research has been carried out about the development of collections in the traditional model and fast fashion analyzing the advantages and disadvantages...
We show from first principles the emergence of classical Boltzmann equations from relativistic nonequilibrium quantum field theory as described by the Kadanoff–Baym equations. Our method applies to a generic quantum field, coupled to a collection of background fields and sources, in a homogeneous and isotropic spacetime. The analysis is based on analytical solutions to the full Kadanoff–Baym equations,...
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