2 problems

Consider the heteroscedastic nonparametric regression model … where $ta=V_0(X)^{1/2}ta^{\star}$, $ta^{\star}$ is bounded almost surely, and satisfies…

Consider model selection over an exponential collection of models, meaning that $\operatorname{Card}(\mathcal{M}_n)$ is of order $\exp(\alpha n)$ for some $\alpha>0$, when the data…