L1 semigroup generation for Fokker-Planck operators associated with general Levy driven SDEs
Journal article, Peer reviewed
Accepted version
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Date
2018Metadata
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- Institutt for matematiske fag [2341]
- Publikasjoner fra CRIStin - NTNU [36890]
Original version
Discrete and Continuous Dynamical Systems. Series A. 2018, 38 (11), 5735-5763. 10.3934/dcds.2018250Abstract
We prove a new generation result in
L
1
for a large class of non-local operators with non-degenerate local terms. This class contains the operators appearing in Fokker-Planck or Kolmogorov forward equations associated with Lévy driven SDEs, i.e. the adjoint operators of the infinitesimal generators of these SDEs. As a byproduct, we also obtain a new elliptic regularity result of independent interest. The main novelty in this paper is that we can consider very general Lévy operators, including state-space depending coefficients with linear growth and general Lévy measures which can be singular and have fat tails.