The invariant partial ideal conjecture for C*-algebras
The invariant partial ideal conjecture for C*-algebras
Let be a -algebra. A partial ideal assigns an ideal to each commutative -subalgebra , compatibly with inclusions. It is invariant when, for every unitary and every such ,
The invariant partial ideal conjecture. A partial ideal of arises from a total ideal if and only if it is an invariant partial ideal. Consequently, the map is a bijective correspondence between total ideals and invariant partial ideals. This conjecture characterizes which contextwise ideal data come from genuine closed, two-sided ideals; the supplied text gives no resolution, while related structural results are established for von Neumann algebras.
Sources & referencesView supporting material
Primary source
Nadish de Silva and Rui Soares Barbosa, “Contextuality and noncommutative geometry in quantum mechanics”, arXiv:1806.02840 (2018).
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