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Cones of traces arising from AF C*-algebras by Moodie, Mark; Robert, Leonel is a scholarly article available to read on EtoBox.

What is Cones of traces arising from AF C*-algebras about?

We characterize the topological non-cancellative cones that are expressible as projective limits of finite powers of $[0,\infty]$. These are also the cones of lower semicontinuous extended-valued traces on AF C*-algebras. Our main result may be regarded as a generalization of the fact that any Choquet simplex is a projective limit of finite dimensional simplices. To obtain our main result, we first establish a duality between certain non-cancellative topological cones and Cuntz semigroups with real multiplication. This duality extends the duality between compact convex sets and complete order unit vector spaces to a non-cancellative setting.

Author

Moodie, Mark; Robert, Leonel

Published

2020

Language

EN