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Empirical Quantile CLTs for Time Dependent Data

Abstract

We establish empirical quantile process CLTs based on nn independent copies of a stochastic process {Xt:tE}\{X_t: t \in E\} that are uniform in tEt \in E and quantile levels αI\alpha \in I, where II is a closed sub-interval of (0,1)(0,1). Typically E=[0,T]E=[0,T], or a finite product of such intervals. Also included are CLT's for the empirical process based on {IXtyPr(Xty):tE,yR}\{I_{X_t \le y} - \rm {Pr}(X_t \le y): t \in E, y \in R \} that are uniform in tE,yRt \in E, y \in R. The process {Xt:tE}\{X_t: t \in E\} may be chosen from a broad collection of Gaussian processes, compound Poisson processes, stationary independent increment stable processes, and martingales.

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