We consider a mathematical model describing the dynamics of the three components of the economic activity of enterprises—production, management and resource co
In this paper, we establish the existence of multiple solutions to a class of Kirchhoff type equations involving critical exponent, concave term and critical gr
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