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Theory of Probability and Mathematical Statistics

ISSN 1547-7363(online) ISSN 0094-9000(print)

   
 
 

 

Fokker–Planck equation for dissipative 2D Euler equations with cylindrical noise


Authors: Franco Flandoli, Francesco Grotto and Dejun Luo
Journal: Theor. Probability and Math. Statist. 102 (2020), 117-143
MSC (2020): Primary 60H15; Secondary 35Q31, 35Q84
DOI: https://doi.org/10.1090/tpms/1130
Published electronically: March 29, 2021
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Abstract: After a short review of recent progresses in 2D Euler equations with random initial conditions and noise, some of the recent results are improved by exploiting a priori estimates on the associated infinite dimensional Fokker–Planck equation. The regularity class of solutions investigated here does not allow energy- or enstrophy-type estimates, but only bounds in probability with respect to suitable distributions of the initial conditions. This is a remarkable application of Fokker–Planck equations in infinite dimensions. Among the example of random initial conditions we consider Gibbsian measures based on renormalized kinetic energy.


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Additional Information

Franco Flandoli
Affiliation: Scuola Normale Superiore, Piazza dei Cavalieri, 7, 56126 Pisa, Italia
Email: franco.flandoli@sns.it

Francesco Grotto
Affiliation: Scuola Normale Superiore, Piazza dei Cavalieri, 7, 56126 Pisa, Italia
Email: francesco.grotto@sns.it

Dejun Luo
Affiliation: Key Laboratory of RCSDS, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, Beijing 100190, People’s Republic of China; and School of Mathematical Sciences, University of the Chinese Academy of Sciences, Beijing 100049, People’s Repbulic of China
MR Author ID: 822886
Email: luodj@amss.ac.cn

Keywords: 2D Euler equations, Fokker–Planck equation, cylindrical noise, vorticity, energy-enstrophy measure.
Received by editor(s): July 3, 2019
Published electronically: March 29, 2021
Additional Notes: The third author is grateful to the financial supports of the grant “Stochastic models with spatial structure” at the Scuola Normale Superiore di Pisa, the National Natural Science Foundation of China (Nos. 11571347, 11688101), and the Youth Innovation Promotion Association, CAS (2017003).
Article copyright: © Copyright 2020 Taras Shevchenko National University of Kyiv