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Resumen de Gaussian-type lower bounds for the density of solutions of SDEs driven by fractional Brownian motions

Mireia Besalú Mayol, Arturo Kohatsu-Higa, Samy Tindel

  • In this paper we obtain Gaussian-type lower bounds for the density of solutions to stochastic differential equations (SDEs) driven by a fractional Brownian motion with Hurst parameter H. In the one-dimensional case with additive noise, our study encompasses all parameters H∈(0,1), while the multidimensional case is restricted to the case H>1/2. We rely on a mix of pathwise methods for stochastic differential equations and stochastic analysis tools.


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