Now showing items 1-3 of 3

    • Compressible Matrix Algebras and the Distance from Projections to Nilpotents 

      Cramer, Zachary (University of Waterloo, 2019-11-15)
      In this thesis we address two problems from the fields of operator algebras and operator theory. In our first problem, we seek to obtain a description of the unital subalgebras $\mathcal{A}$ of $\mathbb{M}_n(\mathbb{C})$ ...
    • Exact C*-algebras and the Kirchberg-Phillips Nuclear Embedding Theorem 

      Sarkowicz, Pawel (University of Waterloo, 2019-08-08)
      A C*-algebra A is exact if the functor A ⊗ min (·) preserves short exact sequences. This is equivalent to the algebra A having a nuclear faithful *-representation. Exact C*-algebras are a class of C*-algebras which is ...
    • Graph C*-algebras and the Abelian Core 

      Eifler, Kari (University of Waterloo, 2016-08-26)
      We may associate to a C*-algebra to the directed graph E by associating edges to partial isometries and vertices to pairwise orthogonal Hilbert spaces which satisfy some additional conditions. Such graph algebras were first ...


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