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math.PR2025
The Gamma Expansion of the Level Two Large Deviation Rate Functional for Reversible Diffusion Processes
Claudio Landim, Jungkyoung Lee, Mauro Mariani
Fix a smooth Morse function with finitely many critical points, and consider the solution of the stochastic differential equation \[ d\boldsym…
math.PR2025
From one-dimensional diffusion processes metastable behaviour to parabolic equations asymptotics
Claudio Landim, Christian Maura
Consider the one-dimensional elliptic operator given by \begin{equation*} (L_εf)(x) \;=\; b (x) \, f'(x) \,+\, ε\, a (x)\, f''(x) \;, \end{equation*} where the drift $b\colon R \to…
math.PR2025
-expansion of the measure-current large deviations rate functional of non-reversible finite-state Markov chains
Seonwoo Kim, Claudio Landim
Consider a sequence of continuous-time Markov chains evolving on a fixed finite state space . Let be the measure-current large deviations rate functio…