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math.AP2021
On the treatment of exterior domains for the time-harmonic equations of stellar oscillations
Martin Halla
In a recent article we started to analyze the time-harmonic equations of stellar oscillations. As a first step we considered bounded domains together with an essential boundary con…
math.AP2020
On the well-posedness of the damped time-harmonic Galbrun equation and the equations of stellar oscillations
Martin Halla, Thorsten Hohage
We study the time-harmonic Galbrun equation describing the propagation of sound in the presence of a steady background flow. With additional rotational and gravitational terms thes…