The ultimate aim of a smart city is to enhance the quality of life for its residents and businesses through modern technologies in order to reduce resource dete
In this article, we focus on the semi-parametric error-in-variables model with missing responses: , where yi are the response variables missing at random, are d
In this paper, we study three inverse nodal problems for the Sturm-Liouville operator with different nonlocal integral conditions. We get the conclusion that th