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The finiteness of moments of a stochastic exponential

✍ Scribed by Bronius Grigelionis; Vigirdas Mackevičius


Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
203 KB
Volume
64
Category
Article
ISSN
0167-7152

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✦ Synopsis


It is well known that the stochastic exponential

, and the result is optimal in the sense that c p cannot be replaced by any c p -with ¿ 0. As a consequence, we get that the moments of the stochastic exponential of a stochastic integral with respect to a Brownian motion are all ÿnite, provided the integrand is a Brownian functional of linear growth.


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