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Uniform Laws of Large Numbers for Triangular Arrays of Function-indexed Processes under Random Entropy Conditions

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Abstract

Mean Glivenko Cantelli Theorems are established for triangular arrays of rowwise independent processes. Methods developed by Pollard (1990) are combined with a truncation method essentially due to Alexander (1987). By this, applicability to partial sum processes in particular is achieved, for which Pollard’s truncation method fails. Nevertheless, the metric entropy condition appearing here is kept as weak as Pollard’s by means of application of Hoffmann-Jørgensen’s inequality, which has not been used so far in this context.

The main theorem of the paper contains Pollard’s theorem as well as former results by Giné and Zinn (1984) and proves applicable to so-called random measure processes, certain function-indexed processes including empirical processes, partial-sum processes, the sequential empirical process and certain types of smoothed empirical processes.

Statistical applications include nonparametric regression and the estimation of the intensity measure of a spatial Poisson process (Poisson point process).

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  1. Mathematical Institute, University of Munich, Theresienstrasse 39, D-80333, Munich, Germany

    Klaus Ziegler

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  1. Klaus Ziegler
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Ziegler, K. Uniform Laws of Large Numbers for Triangular Arrays of Function-indexed Processes under Random Entropy Conditions. Results. Math. 39, 374–389 (2001). https://doi.org/10.1007/BF03322697

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