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Stochastic Transport Equations with Unbounded Divergence

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Author(s):
Neves, Wladimir ; Olivera, Christian
Total Authors: 2
Document type: Journal article
Source: JOURNAL OF NONLINEAR SCIENCE; v. 32, n. 4, p. 19-pg., 2022-08-01.
Abstract

We study in this article the existence and uniqueness of solutions to a class of stochastic transport equations with irregular coefficients and unbounded divergence. In the first result, we assume the drift is L-2([0, T] x R-d) boolean AND L-infinity ([0, T] x R-d), and the divergence is the locally integrable. In the second result, we show that the smoothing acts as a selection criterion when the drift is in L-2([0, T] x R-d) boolean AND L-infinity([0, T] x R-d) without any condition on the divergence. (AU)

FAPESP's process: 20/15691-2 - Analytical and probabilistic aspects of irregular models
Grantee:Christian Horacio Olivera
Support Opportunities: Regular Research Grants
FAPESP's process: 20/04426-6 - Stochastic dynamics: analytical and geometrical aspects with applications
Grantee:Paulo Regis Caron Ruffino
Support Opportunities: Research Projects - Thematic Grants