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Does the small scale inhomogeneity affect the large scale cosmology?

#work

Abstract: A critique is given here based on two papers debating the backreaction effect on large scale cosmology. One paper hopes to prove the backreaction is irrelevant based on analogy analysis and theoretical framework. It is criticised by the other paper which points out the flaws in its approach. We show that the latter paper is more rigorous and convincing.

Side work during the first year of PhD.

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