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arxiv: 1903.06102 · v1 · pith:2CX4K2RVnew · submitted 2019-03-14 · 🧮 math.OA

The C*-algebra of compact perturbations of diagonal operators

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keywords algebracompactdiagonalautomorhismsdescribeelementaryelementsgroup
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We study the elementary C*-algebra whose elements are the sum of a diagonal plus a compact operator. We describe the structure of the unitary group, the sets of ideals, automorhisms and projections.

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