3 papers
gr-qc2026
Black holes in a bouncing universe
Iara Pintos, Daniela Pérez, Florencia L. Vieyro
Bouncing cosmologies offer an alternative to the standard CDM model by avoiding the problem of the initial cosmological singularity by construction. In these models, the univer…
gr-qc2026
Dynamical black holes in the inflationary epoch
Ertola Urtubey Milos, Daniela Pérez
We investigate the evolution of black holes present during the inflationary epoch, assuming they are dynamically coupled to the cosmological background through a generalized McVitt…
gr-qc2026
Does a wormhole survive a cosmological bounce?
Daniela Pérez, Gustavo E. Romero, Santiago E. Perez Bergliaffa
We investigate whether a dynamical wormhole could survive in a universe that undergoes a cosmological bounce. First, the conditions under which a wormhole could persist from a cont…