2020
DOI: 10.1137/19m1299852
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Coarse Graining of Nonreversible Stochastic Differential Equations: Quantitative Results and Connections to Averaging

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Cited by 11 publications
(4 citation statements)
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“…Furthermore, our analysis predominantly exploits entropy techniques and functional inequalities, which are traditionally used to study long-time behaviour of jump processes and not for multiscale problems. A key outcome of our results in the multiscale setting is that the effective dynamics converges to the averaged dynamics in a fairly general setting -such results only hold in a limited setting for diffusions [HNS20].…”
Section: Main Results Novelty and Outline Of The Articlementioning
confidence: 91%
“…Furthermore, our analysis predominantly exploits entropy techniques and functional inequalities, which are traditionally used to study long-time behaviour of jump processes and not for multiscale problems. A key outcome of our results in the multiscale setting is that the effective dynamics converges to the averaged dynamics in a fairly general setting -such results only hold in a limited setting for diffusions [HNS20].…”
Section: Main Results Novelty and Outline Of The Articlementioning
confidence: 91%
“…For reversible fast-slow processes, such as (3.52), the Markovian effective dynamics (3.57) is identical to the averaged process given by (3.53). See Hartmann, Neureither and Sharma (2020) is small for all dominant eigenfunctions.…”
Section: Remark 323 (Fast-slow Process)mentioning
confidence: 95%
“…We should stress, that the above argument is strongly tied to the specific form of the dynamics (36) and the coordinate choice, in that the situation that the projection of the drift generates an invariant measure that is related to the original invariant measure by the same projection is not a triviality; even if an SDE like (9) has a unique invariant measure with a well-defined marginal, its projection may not even have an invariant measure; see Neureither (2019); Hartmann et al (2020).…”
Section: Some Notationmentioning
confidence: 99%