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arXiv 2202.08980math.OCmath.FA
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关于具有渐近零阻尼的Tikhonov正则化二阶动力系统轨迹的strong convergence

On the strong convergence of the trajectories of a Tikhonov regularized second order dynamical system with asymptotically vanishing damping

László Szilárd Csaba

摘要:

研究了一类含有Tikhonov正则化项的阻尼为零的二阶动力系统,并讨论了凸Fréchet可微函数$g$的极小化问题.我们表明,适当的吉洪诺夫正则化参数的目标函数的值在生成的轨迹收敛到全局极小值的目标函数和轨迹生成的动力系统弱收敛到最小的目标函数。我们还得到了速度的快速收敛性和一些积分估计。尽管如此,我们的主要目标是扩展和改进\cite{ABCR}和\cite{AL-nemkoz}最近获得的一些结果,关于强收敛的生成的轨迹的元素的最小范数从$\argmin$集的目标函数$g$。我们的分析还表明,阻尼系数和Tikhonov正则化系数强相关。

英文摘要:

This paper deals with a second order dynamical system with vanishing damping that contains a Tikhonov regularization term, in connection to the minimization problem of a convex Fréchet differentiable function $g$. We show that for appropriate Tikhonov regularization parameters the value of the objective function in a generated trajectory converges fast to the global minimum of the objective function and a trajectory generated by the dynamical system converges weakly to a minimizer of the objective function. We also obtain the fast convergence of the velocities towards zero and some integral estimates. Nevertheless, our main goal is to extend and improve some recent results obtained in \cite{ABCR} and \cite{AL-nemkoz} concerning the strong convergence of the generated trajectories to an element of minimal norm from the $\argmin$ set of the objective function $g$. Our analysis also reveals that the damping coefficient and the Tikhonov regularization coefficient are strongly correlated.

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。

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