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Inequalities for the moments of Wiener integrals with respect to a fractional Brownian motion

✍ Scribed by Jean Mémin; Yulia Mishura; Esko Valkeila


Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
115 KB
Volume
51
Category
Article
ISSN
0167-7152

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✦ Synopsis


We study the possibility to control the moments of Wiener integrals of fractional Brownian motion with respect to the L p -norm of the integrand. It turns out that when the self-similarity index H ¿ 1 2 , we can have only an upper inequality, and when H ¡ 1 2 we can have only a lower inequality.


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The joint distribution of the hitting ti
✍ Chuancun Yin 📂 Article 📅 1999 🏛 Elsevier Science 🌐 English ⚖ 95 KB

Let Xt be a standard d-dimensional Brownian motion with drift c started at a ÿxed X0, and let T be the hitting time for a sphere or concentric spherical shell. By using an appropriate martingale, a Laplace-Gegenbauer transform of the joint distribution of T and XT is determined.