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From slightly coloured noises to unitless product systems

Boris Tsirelson

math.FAarXiv:math/0006165

Abstract

Stationary Gaussian generalized random processes having slowly decreasing spectral densities give rise to product systems in the sense of William Arveson (basically, continuous tensor product systems of Hilbert spaces). A continuum of nonisomorphic unitless product systems is produced, answering a question of Arveson.

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