“好”Boussinesq方程的滤波Lie-Trotter分裂:低正则性误差估计
Filtered Lie-Trotter splitting for the "good" Boussinesq equation: low regularity error estimates
AI总结:
本文研究“好”Boussinesq方程的滤波Lie-Trotter分裂格式,利用离散Bourgain空间克服了双线性估计的限制,推导了初始数据在$H^{s}$($0<s\leq 2$)下的低正则性误差估计,并证明了$L^2$中$τ^{s/2}$阶的收敛率。
摘要:
我们研究了“好”Boussinesq方程的滤波Lie-Trotter分裂格式,并推导了极低正则性初始数据的误差估计。通过使用离散Bourgain空间,我们的分析扩展到$H^{s}$($0<s\leq 2$)的初始数据,克服了光滑Sobolev空间中双线性估计施加的$s>1/2$约束。我们在此正则性水平下建立了$L^2$中$τ^{s/2}$阶的收敛率。数值实验支持了我们的分析结果。
英文摘要:
We investigate a filtered Lie-Trotter splitting scheme for the ``good" Boussinesq equation and derive an error estimate for initial data with very low regularity. Through the use of discrete Bourgain spaces, our analysis extends to initial data in $H^{s}$ for $0<s\leq 2$, overcoming the constraint of $s>1/2$ imposed by the bilinear estimate in smooth Sobolev spaces. We establish convergence rates of order $τ^{s/2}$ in $L^2$ for such levels of regularity. Our analytical findings are supported by numerical experiments.
机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。