The age problem in the ΛCDM model
RJ Yang, SN Zhang - Monthly Notices of the Royal Astronomical …, 2010 - academic.oup.com
The age problem in the ΛCDM model is re-examined. We define the elapsed time T of an
object as its age plus the age of the Universe when it was born. Therefore in any cosmology …
object as its age plus the age of the Universe when it was born. Therefore in any cosmology …
[HTML][HTML] Test of conformal gravity with astrophysical observations
R Yang, B Chen, H Zhao, J Li, Y Liu - Physics Letters B, 2013 - Elsevier
Since it can describe the rotation curves of galaxies without dark matter and can give rise to
accelerated expansion, conformal gravity attracts much attention recently. As a theory of …
accelerated expansion, conformal gravity attracts much attention recently. As a theory of …