On the initial singularity and extendibility of flat quasi-de Sitter spacetimes
A bstract Inflationary spacetimes have been argued to be past geodesically incomplete in
many situations. However, whether the geodesic incompleteness implies the existence of an …
many situations. However, whether the geodesic incompleteness implies the existence of an …
Tadpole cosmology: Milne solution as a cosmological constant hideout
S Appleby, RC Bernardo - Journal of Cosmology and …, 2023 - iopscience.iop.org
Dynamical cancellation frameworks present a potential means of mitigating the effect of a
large vacuum energy, that would otherwise ruin the late-time, low energy dynamics of the …
large vacuum energy, that would otherwise ruin the late-time, low energy dynamics of the …
Anisotropic examples of inflation-generating initial conditions for the big bang
E Ling, A Piubello - arXiv preprint arXiv:2403.02471, 2024 - arxiv.org
The inflationary scenario, which states that the early universe underwent a brief but dramatic
period of accelerated spatial expansion, has become the current paradigm of early universe …
period of accelerated spatial expansion, has become the current paradigm of early universe …
A Lower Semicontinuous Time Separation Function for Spacetimes
E Ling - Annales Henri Poincaré, 2024 - Springer
The time separation function (or Lorentzian distance function) is a fundamental tool used in
Lorentzian geometry. For smooth spacetimes it is known to be lower semicontinuous, and, in …
Lorentzian geometry. For smooth spacetimes it is known to be lower semicontinuous, and, in …