EXPONENTIAL ESTIMATE OF SOLUTION TO STOCHASTIC FUNCTIONAL DIFFERENTIAL EQUATIONS WITH INFINITE DELAY

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Fengying Wei College of Math and Computer Sci Fuzhou University Fuzhou Ke Wang Dept of Math Harbin Institute of Technology Weihai Shandong [350108 ,264209 ]
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O211.63 [随机微分方程];
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In this paper, by the Burkholder-Davis-Gundy inequality and It formula, the exponential estimate of the solution to stochastic functional differential equations with infinite delay is established in the phase space BC((-∞,0];Rd). Furthermore, the sample Lyapunov exponent of the solution is obtained, which is less than a positive constant 2√K + 65K. Moreover, a pth moment of the solution is studied.
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页码:332 / 340
页数:9
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