Exact large ideals of B(G) are downward directed.
Journal article, Peer reviewed
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Original versionProceedings of the American Mathematical Society. 2016, 144 (10), 4401-4412. 10.1090/proc/13100
We prove that if E and F are large ideals of B(G) for which the associated coaction functors are exact, then the same is true for E∩F. We also give an example of a coaction functor whose restriction to the maximal coactions does not come from any large ideal