Lp Decay problem for the dissipative wave equation in even dimensions

Lp Decay problem for the dissipative wave equation in even dimensions
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DOI:
10.1002/mma.523
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发表时间:
2004-11
影响因子:
2.9
通讯作者:
K. Ono
K. Ono
中科院分区:
数学4区
文献类型:
--
作者:
K. Ono

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本文研究了偶数维耗散波动方程(□+<$t)u=0 in <$N ×(0,∞),其中N=2n <$2,初值为(u,<$tu)<$t=0 =(u 0,u1)的Cauchy问题解的Lp衰减估计.解u(t)=<$tS(t)u 0 + S(t)(u 0 +u1)的表示公式给出了p ≠ 1时Lp模的精确估计.版权所有© 2004年约翰威利父子有限公司。
We study Lp decay estimates of the solution to the Cauchy problem for the dissipative wave equation in even dimensions: (□+∂t)u=0 in ℝN × (0,∞) for even N=2n⩾2 with initial data (u,∂tu)∣t=0 =(u0,u1). The representation formulas of the solution u(t)=∂tS(t)u0 + S(t)(u0+u1) provide the sharp estimates on Lp norms with p⩾1. Copyright © 2004 John Wiley & Sons, Ltd.