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Spectrum, resolvent, numerical range, functional calculus, operator semigroups. Special classes of operators: compact, Fredholm, dissipative, differential, integral, pseudodifferential, etc.

2 votes

Projections in a W*-algebra as a continuous lattice?

The already given answer and comments have essentially solved the problem; however I will show the way the question can be studied from the point of view of "classical" lattice theory (say, the times …
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