Approximation of linear functionals on a Banach space with a Gaussian measure
Journal of Complexity
Information-based complexity
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It is shown that a Gaussian measure in a given infinite-dimensional Banach space always admits an essentially unique Gaussian disintegration with respect to a given continuous linear operator. This covers a similar statement made earlier in [Lee and Wasilkowski, Approximation of linear functionals on a Banach space with a Gaussian measure, J. Complexity 2(1) (1986) 12-43.] for the case of finite-rank operators.