Summary
Hölder regularity which plays a key rôle in fractal geometry raises an increasing interest in probability and statistics. In this paper we discuss various aspects of local and global regularity for stochastic processes and random fields. As a main result we show the invariability of the pointwise Hölder exponent of a continuous and nowhere differentiable random field which has stationary increments and satisfies a zero-one law. We also survey some recent uses of Hölder spaces in limit theorems for stochastic processes and statistics.
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Ayache, A., Heinrich, P., Marsalle, L., Suquet, C. (2005). Hölderian random functions. In: Lévy-Véhel, J., Lutton, E. (eds) Fractals in Engineering. Springer, London. https://doi.org/10.1007/1-84628-048-6_3
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DOI: https://doi.org/10.1007/1-84628-048-6_3
Publisher Name: Springer, London
Print ISBN: 978-1-84628-047-4
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