Another critical look at inflationary cosmology

Jul 17, 2024
Thesis: Master
  • Utrecht U.
(Jul 17, 2024)

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Abstract: (submitter)
I present an overview of the criticism of the theory of cosmological inflation of the past 25 years. I argue that the three main problems motivating the inflationary explanation are the flatness problem, the uniformity problem, and the structure formation problem. The flatness problem has been resolved. In analysing the other two problems, an alternative explanation emerges. This explanation relies on law-like assumptions about the initial conditions of the universe. I claim that this is a proper explanation. This places the inflationary explanation on par with an alternative explanation. I argue that different extra-empirical considerations lead cosmologists to prefer one above the other. The way forward lies in the middle: an amalgam of the two explanations promises to be the most fruitful.