Browsing NTNU Open by Author "Skau, Christian Fredrik"
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C*-crossed products
Wanvik, Martin Kristen Reed (Master thesis, 2008)We define and study the so-called C*-crossed product construction, primarily from the point of view of C*-dynamical systems, but we will also look at how crossed products (by commutative C*-algebras) arise as C*-algebras ... -
The Stone - von Neumann Theorem.
Høynes, Siri-Malén (Master thesis, 2009)The purpose of this thesis is to establish the Stone - von Neumann Theorem for locally compact abelian groups. The Stone - von Neumann Theorem states the requirements for when unitary representations of a locally compact ... -
Zd-odometers and cohomology
Giordano, Thierry; Putnam, Ian F.; Skau, Christian Fredrik (Journal article; Peer reviewed, 2019)Cohomology for actions of free abelian groups on the Cantor set has (when endowed with an order structure) provided a complete invariant for orbit equivalence. In this paper, we study a particular class of actions of such ...