3 papers
gr-qc2024
Asymptotics of Bianchi IX under the presence of matter: approximate Kasner map
David Brizuela, Sara F. Uria
The goal of this paper is to analyze the effects of the matter fields in the evolution of the Bianchi IX cosmology close to the singularity. Although the dynamics of this model is…
gr-qc2024
Analytic solutions for the Bianchi I universe coupled to several barotropic perfect fluids
David Brizuela, Sara F. Uria
We consider the Bianchi I geometry coupled to several species of comoving barotropic perfect fluids with a linear equation of state in the context of general relativity. The soluti…
gr-qc2024
The chaotic behavior of the Bianchi IX model under the influence of quantum effects
Martin Bojowald, David Brizuela, Paula Calizaya Cabrera +1
A quantum analysis of the vacuum Bianchi IX model is performed, focusing in particular on the chaotic nature of the system. The framework constructed here is general enough for the…