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arXiv 1807.03061math.FA
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关于由非自治形式产生的发展族的范数连续性

On the norm-continuity for evolution family arising from non-autonomous forms

El-Mennaoui Omar, Hafida Laasri

摘要:

本文研究了具有常区域$V\subset H.$的Hilbert空间$H$上形式为\begin{equation*}\label{Abstract equation} \dot u(t)+ A(t)u(t)=0,\ \ t\in[0,T],\ \ u(0)=u_0, \end{equation*}的发展方程,其中$A(t),\ t\in [0,T],$与非自治半线性形式$\mathfrak a(t,\cdot,\cdot)$相关联。本文给出了发展族在每个空间$V, H$和$V.$的对偶空间$V'$上范数连续的一个充分条件。抽象的结果应用于一类由外部区域上的含时Robin边界条件和含时势的Schrodinger算子所支配的方程。

英文摘要:

We consider evolution equations of the form \begin{equation*}\label{Abstract equation} \dot u(t)+ A(t)u(t)=0,\ \ t\in[0,T],\ \ u(0)=u_0, \end{equation*} where $A(t),\ t\in [0,T],$ are associated with a non-autonomous sesquilinear form $\mathfrak a(t,\cdot,\cdot)$ on a Hilbert space $H$ with constant domain $V\subset H.$ In this note we continue the study of fundamental operator theoretical properties of the solutions. We give a sufficient condition for norm-continuity of evolution families on each spaces $V, H$ and on the dual space $V'$ of $V.$ The abstract results are applied to a class of equations governed by time dependent Robin boundary conditions on exterior domains and by Schrödinger operator with time dependent potentials.

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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