On the asymptotic nature of cosmological effective theories

Acknowledgements: We would like to thank Calvin Chen, Jordan Cotler, Laura Engelbrecht, Sadra Jazayeri, Mang Hei Gordon Lee, Scott Melville, Ryo Namba, Guilherme Pimentel, Andrea Sanfilippo, and Yoav Zigdon for useful discussions. E.P. has been supported in part by the research program VIDI with Project No. 680-47-535, which is (partly) financed by the Netherlands Organisation for Scientific Research (NWO). C.M. is supported by Science and Technology Facilities Council (STFC) training grant ST/W507350/1. This work has been partially supported by STFC consolidated grant ST/T000694/1 and ST/X000664/1 and by the EPSRC New Horizon grant EP/V017268/1. H.G. is supported by a Postdoctoral Fellowship at National Taiwan University funded by the National Science and Technology Council (NSTC) 113-2811-M-002-073. The work of C.D.P. is supported by the Scuola Normale Superiore. Data Availability Statement. This article has no associated data or the data will not be deposited. Code Availability Statement. This article has no associated code or the code will not be deposited.