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4. Exotic crossed products;['Buss, Alcides', 'Echterhoff, Siegfried', 'Willett, Rufus'];Operator algebras and applications. The Abel symposium 2015 took place on the ship Finnmarken, part of the Coastal Express Line (the Norwegian Hurtigruten), from Bergen to the Lofoten Islands, Norway, August 7-11, 2015,2016
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