Strong uniqueness for stochastic evolution equations in Hilbert spaces perturbed by a bounded measurable drift

@article{Prato2013StrongUF,
  title={Strong uniqueness for stochastic evolution equations in Hilbert spaces perturbed by a bounded measurable drift},
  author={Giuseppe Da Prato and Franco Flandoli and Enrico Priola and M. Rockner},
  journal={Annals of Probability},
  year={2013},
  volume={41},
  pages={3306-3344}
}
We prove pathwise (hence strong) uniqueness of solutions to stochastic evolution equations in Hilbert spaces with merely measurable bounded drift and cylindrical Wiener noise, thus generalizing Veretennikov’s fundamental result on Rd to infinite dimensions. Because Sobolev regularity results implying continuity or smoothness of functions do not hold on infinite-dimensional spaces, we employ methods and results developed in the study of Malliavin–Sobolev spaces in infinite dimensions. The price… 
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