157 citations · 309 across the 20 of their papers we have counts for
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astro-ph.CO2017
Order-unity argument for structure-generated "extra" expansion
Boudewijn F. Roukema, Jan J. Ostrowski, Thomas Buchert +1
Self-consistent treatment of cosmological structure formation and expansion within the context of classical general relativity may lead to "extra" expansion above that expected in…
astro-ph.CO2017
Mass function of galaxy clusters in relativistic inhomogeneous cosmology
Jan J. Ostrowski, Thomas Buchert, Boudewijn F. Roukema
The current cosmological model (CDM) with the underlying FLRW metric relies on the assumption of local isotropy, hence homogeneity of the Universe. Difficulties arise when one a…