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preprint
Singularity of solutions to singular SPDEs
September 16, 2024
Building on the notes [Hai17], we give a sufficient condition for the marginal distribution of the solution of singular SPDEs on the d-dimensional torus to be singular with respect to the law of the Gaussian measure induced by the linearised equation. As applications we obtain the singularity of the Φ43-measure with respect to the Gaussian free field measure and the border of parameters for the fractional Φ4-measure to be singular with respect to the Gaussian free field measure. Our approach is applicable to quite a large class of singular SPDEs.
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Name
2409.10037v1.pdf
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main document
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openaccess
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