Traces Norms, Tracial completions, and the Trace Problem

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• Samuel Evington (Westfalische Wilhelms-Universitat Munster)
• Thursday 03 July 2025, 16:30-17:00
• External.

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TGAW01 - Crossed products and groupoid C*-algebras

After a brief introduction to uniform trace norms, I will define the uniform tracial completion of a C-algebra and discuss the key examples and features of these objects. In the second half of the talk, I will discuss the trace problem. The trace problem asks whether every trace on the uniform tracial completion is the continuous extension of a trace on A. I will end the talk with an outline of the solution to the trace problem in the case of Z-stable C-algebras.

This talk is part of the Isaac Newton Institute Seminar Series series.

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