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Jan 27, 2022 at 13:25 comment added Nik Weaver BTW, as Onur Oktay points out, you have described a CCR algebra (over the symplectic space $\mathbb{C}$ with symplectic form $\{a,b\} = {\rm Im}(a\bar{b})$). It is known that these algebras are always simple (noted in the above link), so that's another reason they can't contain any compact operators. Otherwise the intersection with the compacts would be a nontrivial ideal.
Jan 26, 2022 at 3:32 history edited Nik Weaver CC BY-SA 4.0
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Jan 25, 2022 at 14:53 vote accept Ian Gershon Teixeira
Jan 25, 2022 at 11:35 history edited Nik Weaver CC BY-SA 4.0
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Jan 25, 2022 at 4:39 history answered Nik Weaver CC BY-SA 4.0