Finite sums of commutators
classification
🧮 math.FA
math.OA
keywords
commutatorsfinitesumsalgebraalgebrasboundeddependingelements
read the original abstract
We show that elements of unital $C^*$-algebras without tracial states are finite sums of commutators. Moreover, the number of commutators involved is bounded, depending only on the given $C^*$-algebra.
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