Existence and Lipschitz stability for $α$-dissipative solutions of the two-component Hunter-Saxton system

We establish the concept of $α$-dissipative solutions for the two-component Hunter-Saxton system under the assumption that either $α(x)=1$ or $0\leq α(x)<1$ for all $x\in \mathbb{R}$. Furthermore, we investigate the Lipschitz stability of solutions with respect to time by introducing a suitable parametrized family of metrics in Lagrangian coordinates. This is necessary due to the fact that the solution space is not invariant with respect to time.

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