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Functors of actions

13 Oct 2020arXiv:2010.06707links table onlyarchive 2025-07-28

P. Ntelis, A. Morris Universitat Bonn - Helmholtz-Institut fur Strahlen und Kernphysik, Bonn, Germany

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In this document, we introduce a novel formalism for any field theory and apply it to the effective field theories of large-scale structure. The new formalism is based on functors of actions composing those theories. This new formalism predicts the actionic fields. We discuss our findings in a cosmological gravitology framework. We present these results with a cosmological inference approach and give guidelines on how we can choose the best candidate between those models with some latest understanding of model selection using Bayesian inference.

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