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arxiv: math/0504166 · v3 · submitted 2005-04-08 · 🧮 math.PR

A characterization of the infinitely divisible squared Gaussian processes

classification 🧮 math.PR
keywords divisiblegaussianinfinitelyprocesscharacterizationconstantscovariancefunction
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We show that, up to multiplication by constants, a Gaussian process has an infinitely divisible square if and only if its covariance is the Green function of a transient Markov process.

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