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math.SP2019
Sharp spectral asymptotics for non-reversible metastable diffusion processes
Dorian Le Peutrec, Laurent Michel
Let be a smooth vector field and consider the associated overdamped Langevin equation in the low tempera…
math.SP2015
Small noise spectral gap asymptotics for a large system of nonlinear diffusions
Giacomo Di Gesù, Dorian Le Peutrec
We study the spectral gap of a large system of strongly coupled diffusions on unbounded state space and subject to a double-well potential. This system can be seen as a spati…