Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Inflation as an Information Bottleneck - A strategy for identifying
  universality classes and making robust predictions   In this work we propose a statistical approach to handling sources of
theoretical uncertainty in string theory models of inflation. By viewing a
model of inflation as a probabilistic graph, we show that there is an
inevitable information bottleneck between the ultraviolet input of the theory
and observables, as a simple consequence of the data processing theorem. This
information bottleneck can result in strong hierarchies in the sensitivity of
observables to the parameters of the underlying model and hence universal
predictions with respect to at least some microphysical considerations. We also
find other intriguing behaviour, such as sharp transitions in the predictions
when certain hyperparameters cross a critical value. We develop a robust
numerical approach to studying these behaviours by adapting methods often seen
in the context of machine learning. We first test our approach by applying it
to well known examples of universality, sharp transitions, and concentration
phenomena in random matrix theory. We then apply the method to inflation with
axion monodromy. We find universality with respect to a number of model
parameters and that consistency with observational constraints implies that
with very high probability certain perturbative corrections are non-negligible.

33
The categories of this paper are: plasm-ph
2
The categories of this paper are: math
30
The categories of this paper are: q-alg
20
The categories of this paper are: acc-phys
35
The categories of this paper are: mtrl-th
14
The categories of this paper are: math-ph
28
The categories of this paper are: alg-geom
22
The categories of this paper are: chao-dyn
10
The categories of this paper are: q-bio
25
The categories of this paper are: patt-sol
34
The categories of this paper are: chem-ph
23
The categories of this paper are: solv-int
3
The categories of this paper are: physics
27
The categories of this paper are: comp-gas
19
The categories of this paper are: eess
9
The categories of this paper are: nlin