2 citations · 4 across the 3 of their papers we have counts for
3 papers
astro-ph.CO2024
Average zero-expansion regions of the universe
Jan J. Ostrowski, Ismael Delgado Gaspar
Persistent tensions in the CDM cosmological model underline the importance of tests of its basic assumptions. One such potential test arises from the fact that the surface of ze…
gr-qc2021★ 2 cited
On the maximum volume of collapsing structures
Jan J. Ostrowski, Ismael Delgado Gaspar
In many cosmological models, including the CDM concordance model, there exist a theoretical upper bounds on the size of collapsing structures. The most common formulations in th…
gr-qc2021★ 2 cited
Comment on "Szekeres universes with homogeneous scalar fields"
Ismael Delgado Gaspar, Roberto A. Sussman, David D. McNutt +1
Two recently published papers (J.D. Barrow and A. Paliathanasis, Eur. Phys. J. C. (2018, 2019)) claim to have found exact solutions of Einstein's field equations belonging to the c…