Abstract
We consider Burgers equation forced by a brownian in space and white noise in time process \(\partial_{t}u+\frac{1}{2}\partial_{x}(u)^{2}=f(x,t)\), with \(E(f(x,t)f(y,s))=\frac{1}{2}(|x|+|y|-|x-y|)\*\delta(t-s)\) and we show that there exist intrinsic statistical solutions that are Lévy processes at any given positive time. We give the evolution equation for the characteristic exponent of such solutions; in particular we give the explicit solution in the case u 0(x)=0.
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Chabanol, ML., Duchon, J. Lévy-Process Intrinsic Statistical Solutions of a Randomly Forced Burgers Equation. J Stat Phys 136, 1095–1104 (2009). https://doi.org/10.1007/s10955-009-9824-z
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DOI: https://doi.org/10.1007/s10955-009-9824-z