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arxiv: 1805.08413 · v2 · pith:YIJAPBGGnew · submitted 2018-05-22 · 🧮 math.AP · math.PR

Stochastic nonlinear Schr\"odinger equation with almost space-time white noise

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keywords stochasticequationnoisealmostcubicnonlinearodingerschr
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We study the stochastic cubic nonlinear Schr\"odinger equation (SNLS) with an additive noise on the one-dimensional torus. In particular, we prove local well-posedness of the (renormalized) SNLS when the noise is almost space-time white noise. We also discuss a notion of criticality in this stochastic context, comparing the situation with the stochastic cubic heat equation (also known as the stochastic quantization equation).

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