Efton Park
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View article: A determinant formula for Toeplitz operators associated to a minimal flow
A determinant formula for Toeplitz operators associated to a minimal flow Open
We define a determinant on the Toeplitz algebra associated to a minimal flow, give a formula for this determinant in terms of symbols, and show that this determinant can be used to give information about the algebraic $K$-theory of functio…
View article: Chern classes and unitary equivalence of normal matrices over topological spaces
Chern classes and unitary equivalence of normal matrices over topological spaces Open
This paper continues the authors' work on the question of unitary equivalence of matrices with entries in the complex-valued functions of a topological space (matrices over spaces). Specifically, we here consider the question of unitary eq…
View article: Operator Algebras and Their Applications
Operator Algebras and Their Applications Open
Three properness conditions for actions of locally compact groups on C⇤-algebras are studied, as well as their dual analogues for coactions. To motivate the properness conditions for actions, the commutative cases (actions on spaces) are s…