Bounded laws of the iterated logarithm for quadratic forms in Gaussian random variables |
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Authors: | T Mikosch |
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Institution: | (1) Sektion Mathematik, Technische Universität Dresden, Mommsenstrasse 13, DDR-8027 Dresden, German Democratic Republic |
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Abstract: | In this paper we prove bounded laws of the iterated logarithm for Gaussian quadratic forms. The underlying sequence of Gaussian variables is assumed to satisfy quite general conditions on its covariance structure. Basic tools are maximal inequalities of exponential type for sums of dependent random variables which may be of own interest. Several examples illustrate the sharpness of the results. In a particular section the bounded law of the iterated logarithm is shown for quadratic variation of Brownian motion. |
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