A closed-form growth factor for linearly expanding (coasting) cosmologies is derived and fit to fσ8 data, showing all tested models are consistent but Lambda-CDM is statistically preferred.
Guth,Inflationary universe: A possible solution to the horizon and flatness problems, Physical Review D23(1981) 347
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Testing Quasi-Linear Coasting Cosmologies with Late-Time Large-Scale Structure Growth
A closed-form growth factor for linearly expanding (coasting) cosmologies is derived and fit to fσ8 data, showing all tested models are consistent but Lambda-CDM is statistically preferred.