Date of Award

Spring 2024

Abstract

This dissertation investigates Voiculescu’s theorem on approximate equivalence in separable properly infinite factors. We establish the norm-denseness of the set of all reducible operators and prove Voiculescu’s bicommutant theorem. Additionally, we extend these results to the multiplier algebras within separable type III factors.

Document Type

Dissertation

First Advisor

Donald Hadwin

Second Advisor

Donald Hadwin

Third Advisor

Junhao Shen

Department or Program

Mathematics

Degree Name

Doctor of Philosophy

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