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无界区域上具有记忆项的随机波动方程的拉回吸引子的存在性 被引量:1

Pullback Attractor for Stochastic Wave Equations with Memory Term on Unbounded Domains
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摘要 在无界区域Rn(n≤3)上研究了如下具有线性记忆项的随机波动方程的渐进行为u tt+αu t-k(0)Δu+λu+f(x,u)-∫∞0k'(s)Δu(t-s)ds=g(x)+h(x)dωdt。其中,当n=3时非线性项f具有次临界增长率,当n=1,2时f可具有任意增长率。运用解的一致估计方法在H1(Rn)×L2(Rn)×M1(Rn)上证明了对应的随机动力系统拉回吸引子的存在性。 We study the longtime behavior for the following stochastic wave equation defined on the unbounded domain Rn() with a linear memory tern: utt + αut -k(O)Au + △u + f( x , u) - dω/dt Where,n≤ 3 the nonlinear tem f has an arbitrary fkt(s)Au(t -s)ds =g(x) +h(x)- Where, n growth for n = 1,2 and is subcritical for n = 3. We use the uniformestimates method to prove the existence of pullback attractor for the corresponding random dynamical system in H1 ( Rn ) L2 (Rn) x M1 (Rn).
出处 《大连民族学院学报》 CAS 2014年第1期49-55,共7页 Journal of Dalian Nationalities University
关键词 拉回吸引子 记忆项 随机波动方程 无界区域 pullback attractor memory term stochastic wave equation unbounded domain
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参考文献6

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二级参考文献4

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