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- W4297848935 abstract "Taking a multidimensional time-homogeneous dynamical system and adding a randomly perturbed time-dependent deterministic signal to some of its components gives rise to a high-dimensional system of stochastic differential equations which is driven by possibly very low-dimensional noise. Equations of this type are commonly used in biology for modeling neurons or in statistical mechanics for certain Hamiltonian systems. Assuming that the signal depends on an unknown shape parameter $theta$ and also has an unknown periodicity $T$, we prove Local Asymptotic Normality (LAN) jointly in $theta$ and $T$ for the statistical experiment arising from (partial) observation of this diffusion in continuous time. The local scale turns out to be $n^{-1/2}$ for $theta$ and $n^{-3/2}$ for $T$ which generalizes known results for simpler systems." @default.
- W4297848935 created "2022-10-01" @default.
- W4297848935 creator A5087279757 @default.
- W4297848935 date "2019-03-08" @default.
- W4297848935 modified "2023-09-27" @default.
- W4297848935 title "Local asymptotic normality for shape and periodicity of a signal in the drift of a degenerate diffusion with internal variables" @default.
- W4297848935 doi "https://doi.org/10.48550/arxiv.1903.03440" @default.
- W4297848935 hasPublicationYear "2019" @default.
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