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Journal Article

The Stability of the Minkowski space for the Einstein-Vlasov system


Joudioux,  Jérémie
Geometric Analysis and Gravitation, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Fajman, D., Joudioux, J., & Smulevici, J. (2021). The Stability of the Minkowski space for the Einstein-Vlasov system. Analysis & PDE, 14(2), 425-531. doi:10.2140/apde.2021.14.425.

Cite as: https://hdl.handle.net/21.11116/0000-0005-1BEC-4
We prove the global stability of the Minkowski space viewed as the trivial
solution of the Einstein-Vlasov system. To estimate the Vlasov field, we use
the vector field and modified vector field techniques developed in [FJS15;
FJS17]. In particular, the initial support in the velocity variable does not
need to be compact. To control the effect of the large velocities, we identify
and exploit several structural properties of the Vlasov equation to prove that
the worst non-linear terms in the Vlasov equation either enjoy a form of the
null condition or can be controlled using the wave coordinate gauge. The basic
propagation estimates for the Vlasov field are then obtained using only weak
interior decay for the metric components. Since some of the error terms are not
time-integrable, several hierarchies in the commuted equations are exploited to
close the top order estimates. For the Einstein equations, we use wave
coordinates and the main new difficulty arises from the commutation of the
energy-momentum tensor, which needs to be rewritten using the modified vector