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An Internal Observability Estimate for Stochastic Hyperbolic Equations

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arxiv 1511.00819 v2 pith:5D5KVJHC submitted 2015-11-03 math.OC

classification math.OC
keywords stochasticequationsestimatehyperbolicinternalobservabilitysomeadaptedness
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abstract

This paper is addressed to establishing an internal observability estimate for some linear stochastic hyperbolic equations. The key is to establish a new global Carleman estimate for forward stochastic hyperbolic equations in the $L^2$-space. Different from the deterministic case, a delicate analysis of the adaptedness for some stochastic processes is required in the stochastic setting.

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