Ground states and small perturbations for 𝐶*-dynamical systems

Ground states and small perturbations for $C^ \ast$-dynamical systems
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Proc. Amer. Math. Soc. 96 (1986), 340-344

DOI: https://doi.org/10.1090/S0002-9939-1986-0818469-X

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Existence of ground states for ${C^*}$-dynamical systems is stable under perturbations with relative bound $< 1$.

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