2 papers
gr-qc2026
Matching collapse and expansion across Matter Trapping surfaces in inhomogeneous CDM models
Alan Maciel, M. Le Delliou, José P. Mimoso
In the present work we examine the MTS, for the restriction to spherical dust plus , proving that it actually is a characteristic surface of the Cauchy problem (generated by it…
gr-qc2024
Comment on "Apparent horizons of the Thakurta spacetime and the description of cosmological black holes"
Alan Maciel, Vilson T. Zanchin
The findings discussed in "Apparent Horizons of the Thakurta Spacetime and the Description of Cosmological Black Holes" deviate from prior research, particularly our study in Phys.…