Examples of Multiparameter CCR flows with non-trivial index

Published 11 Aug 2021 in math.OA | (2108.04999v1)

Abstract: In this paper, we construct uncountably many examples of multiparameter CCR flows, which are not pullbacks of $1$-parameter CCR flows, with index one. Moreover, the constructed CCR flows are type I in the sense that the associated product system is the smallest subsystem containing its units.

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