We provide several inequalities for the L^q-norm of the Wick product of random variables. These estimates are based on a Jensen’s type inequality for the Wick multiplication, which we derive via a positivity argument. As an application we study a certain type of anticipating stochastic differential equation whose solution is shown to be an element of L^q for some q ≥ 1.
Some norm inequalities for gaussian Wick products / LANCONELLI A; STAN A. - In: STOCHASTIC ANALYSIS AND APPLICATIONS. - ISSN 0736-2994. - 28:3(2010), pp. 523-539.
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Titolo: | Some norm inequalities for gaussian Wick products |
Autori: | |
Data di pubblicazione: | 2010 |
Rivista: | |
Citazione: | Some norm inequalities for gaussian Wick products / LANCONELLI A; STAN A. - In: STOCHASTIC ANALYSIS AND APPLICATIONS. - ISSN 0736-2994. - 28:3(2010), pp. 523-539. |
Abstract: | We provide several inequalities for the L^q-norm of the Wick product of random variables. These estimates are based on a Jensen’s type inequality for the Wick multiplication, which we derive via a positivity argument. As an application we study a certain type of anticipating stochastic differential equation whose solution is shown to be an element of L^q for some q ≥ 1. |
Handle: | http://hdl.handle.net/11586/13566 |
Appare nelle tipologie: | 1.1 Articolo in rivista |