Browsing Theses by Subject "C*-algebra"

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K-theory for C*-Algebras and for Topological Spaces

Xiao, Rui Philip (University of Waterloo, 2015-04-27)

K-theory is the study of a collection of abelian groups that are invariant to C*-algebras or to locally compact Hausdorff spaces. These groups are useful for distinguishing C*-algebras and topological spaces, and they are ...
Semicrossed Products, Dilations, and Jacobson Radicals

Wiart, Jaspar (University of Waterloo, 2017-08-18)

We compute the C*-envelope of the isometric semicrossed product of a C*-algebra arising from number theory by the multiplicative semigroup of a number ring R, and prove that it is isomorphic to T[R], the left regular ...