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math.AP2026
Sharp lifespan results for plane-symmetric fluids on decelerated spacetimes
Maximilian Ofner, Todd Oliynyk
In this article, we analyze plane-symmetric solutions to the relativistic Euler equations on spatially flat spacetimes with decelerated expansion. We consider a linear equation of…
gr-qc2026
Big bang stability and isotropisation for the Einstein-scalar field equations in the ekpyrotic regime
Florian Beyer, David Garfinkle, James Isenberg +1
It has been shown that, in spacetime dimensions , that the Kasner-scalar field solutions to the Einstein-scalar fields equations with potential , where $s<s_…