In this paper, we investigate optimal control problem governed by variational inequality of the obstacle type. Existence of solution for the problem is proved and we also show how to obtain optimality conditions for a penalized problem issued from the original one.

Popularity is one of the key reasons for the electoral success of a politician and his party. Discovering the reasons behind a political notoriety leads inevitably to the constitution of a stable and perennial political class. The present work seeks to measure, using a mixed method, the Facebook trust ratings of a political figure in Morocco, taking advantage of the huge amounts of information that big data are overflowing with, especially data arisen from social networking services, which have recently become a promising opportunity and an ingenious tool for extracting and exploring public opinion. This research has collected and examined 6 million of posts and comments about the head of Moroccan government in 2016. This study sought to identify the key reasons behind the Facebook popularity of this politician and his party. This contribution is intended to be multidisciplinary, both useful for policymakers, data mining experts and opinion analysts to explore public trends and inclinations.

We consider a stationary equation modeling the slip flow in a hard disk drive. A result of existence is proven under different hypotheses than in the literature. The uniqueness of solution followed from monotonicity techniques for nonlinear PDEs.

This article studies the transformative role of videos as a multifunctional tool in socio-political activism, with a focus on a Moroccan YouTube channel. It demonstrates how visual narratives are not only vectors of information but can become active participants in redefining power dynamics and engagement in public spaces. Through an analysis of contents and their impact, the study highlights how videos contribute to the emergence of new political discourses, put into question mainstream narratives. The article further examines the ability of videos to politicize events, spark debates and incite to collective action, highlighting their potential as powerful tools of mobilization.

This article presents an in-depth analysis of the intertwining of religious and protest expression on digital social networks in Morocco. By exploring the mechanisms by which religious discourse is used to mobilize, articulate claims, and catalyze collective action online, we highlight the importance of the religious dimension in the landscape of contemporary protest. Through a mixed approach of the content analysis of a Facebook page, we demonstrate that online protest mobilization with a religious substance is a multidimensional phenomenon that shapes real socio-political dynamics, and we illustrate the power of religious discourse to structure and legitimize claims, mobilize around shared values, and strengthen the sense of community belonging.