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Conditional stability for a Cauchy problem for the ultrahyperbolic Schrödinger equation
Applicable Analysis ( IF 1.1 ) Pub Date : 2020-06-24 , DOI: 10.1080/00036811.2020.1781829 İsmet Gölgeleyen 1 , Özlem Kaytmaz 1
中文翻译:
超双曲薛定谔方程的柯西问题的条件稳定性
更新日期:2020-06-24
Applicable Analysis ( IF 1.1 ) Pub Date : 2020-06-24 , DOI: 10.1080/00036811.2020.1781829 İsmet Gölgeleyen 1 , Özlem Kaytmaz 1
Affiliation
ABSTRACT
In this work, we first establish a local Carleman estimate for the ultrahyperbolic Schrödinger equation which arises in some theories of modern physics such as quantum mechanics and string theory. Next, we prove a Hölder stability estimate for the Cauchy Problem. In the proof, we introduce a suitable cut-off function and extend Cauchy data in a Sobolev space to reduce the problem to another problem for functions with compact supports and then we apply the Carleman estimate.
中文翻译:
超双曲薛定谔方程的柯西问题的条件稳定性
摘要
在这项工作中,我们首先建立了超双曲薛定谔方程的局部卡尔曼估计,该方程出现在现代物理学的一些理论中,如量子力学和弦论。接下来,我们证明柯西问题的 Hölder 稳定性估计。在证明中,我们引入了一个合适的截止函数并在 Sobolev 空间中扩展柯西数据,以将问题简化为具有紧支撑的函数的另一个问题,然后我们应用 Carleman 估计。