Proceedings of the American Mathematical Society, Vol. 126, No. 11 (Nov., 1998), pp. 3361-3370 (10 pages) We introduce a notion of quasinormality for a nested pair ${\cal S}\subset {\cal R}$ of ...
Given an ergodic measured discrete equivalence relation 𝓡 and an ergodic subrelation 𝒮 ⊂ 𝓡 of finite index, C. Sutherland showed that they are represented by the cross products 𝓟 ⋊αG and 𝓟 ⋊αH of ...
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