Cosmological anomalies and exotic smoothness structures

Details Cosmological anomalies and exotic smoothness structures Cosmological anomalies and exotic smoothness structures

2001-10-08

arxiv.org/abs/gr-qc/0110043v1

Gen.Rel.Grav. 34 (2002) 1767-1771

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Scientific paper

It seems to be generally accepted that apparently anomalous cosmological observations, such as accelerating expansion, etc., necessarily are inconsistent with standard general relativity and standard matter sources. Following the suggestions of S{\l}adkowski, we point out that in addition to exotic theories and exotic matter there is another possibility. We refer to exotic differential structures on ${\mathbb R}^4$ which could be the source of the observed anomalies without changing the Einstein equations or introducing strange forms of matter.

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