Top network posts

• 83 Non-amenable groups with arbitrarily large Tarski number?
• 81 How feasible is it to prove Kazhdan's property (T) by a computer?
• 29 Szőkefalvi-Nagy's unitarizability theorem in the Calkin algebra?
• 25 Can nuclearity be determined by tensoring with a single C*-algebra?
• 24 Is every maximal ideal in a C*-algebra always closed?
• 19 Range of completely positive projection
• 19 Can non-central projections still commute with all other projections?
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