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We investigate criteria ensuring that a one-relator group G contains a right-angled Artin subgroup A (), corresponding to a finite graph. In particular, we prove that if the positive submonoid T (), of A (), embeds into G then so does all of A (), unless is totally disconnected. As by-products of our methods we obtain characterisations of one-relator groups that have property P₍₀₈ and that are C^*-simple.
Minasyan et al. (Tue,) studied this question.
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