# American Institute of Mathematical Sciences

2007, 2007(Special): 92-101. doi: 10.3934/proc.2007.2007.92

## Energy estimate for the wave equation driven by a fractional Gaussian noise

 1 Department of Mathematics, University of Tennessee at Chattanooga, 615 McCallie Avenue, Chattanooga, TN 37403-2598, United States 2 Department of Mathematics & Actuarial Science, Indiana University Northwest, 3400 Broadway, Gary, IN 46408, United States

Received  August 2006 Revised  May 2007 Published  September 2007

We consider a general linear stochastic wave equation driven by fractional-in-time noise and study its energy. We provide a mild solution for the wave equation in terms its Fourier expansion. We calculate the expected energy and give asymptotic results for the expected energy for large and small times and as the Hurst parameter, H, approaches 1/2. These results are phrased in terms of the norms of powers of the differential operator times powers of the spatial covariance operator.
Citation: Boris P. Belinskiy, Peter Caithamer. Energy estimate for the wave equation driven by a fractional Gaussian noise. Conference Publications, 2007, 2007 (Special) : 92-101. doi: 10.3934/proc.2007.2007.92
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