Operator Algebra seminar – University of Copenhagen

Operator Algebra seminar

Speaker: Christian Skau

Title: Toeplitz flows and their (ordered) K-groups

Abstract: Toeplitz flows are special minimal subshifts on a finite alphabet defined in terms of arithmetical sequences. Even though they are in one sense closely related to odometer systems, they exhibit a richnessof properties way beyond these systems. The K_0 groups of the associated C*-crossed products can be given an explicit description.