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Through an analysis of the transformations and persistencies in the image­-power­-knowledge relationship that result from the spread of digital communication's technologies, our goal is to characterize the emergence of a conflict that, in the politics of visuality and the cyberspace's techno­political configuration, reflects similar tensions that constitute the actual power relations diagram. The research begins with an investigation of the historical background that influenced Thomas Hobbes Leviathan's images production, where a given visual order corresponds to a new power order. Then, we analyze the changes of this specific configuration – that is perceptible as the Leviathan image regime's metaphor - in face of the analog and digital image production technologies. Our hypothesis is that the disputes (aesthetic, legal, economic) that attempt to regulate the image within the digital media domain and that shape a particular politics of visibility, are similar to those tensions that affect the cyberspace conditions to become a different 'sensible' surface (medium), that potentially mobilizes other forms of knowing, other models of organization and production. To examine this issue, we analyze the ongoing conflict between different social forces that point out both for new practices and meanings that emerge in the cybercultural arena, and for the trends that attempts to impose over the digital medium the regulatory mechanisms established in the context of analog medium. At the end we characterize the current power diagram, and we argue that cyberspace aesthetic and political configuration depend upon a capacity to intervene over the very fundamentals that regulate its field of enunciation and visibility. Finally, we take it as a struggle for others modes of thought and social organization models, as a war over the virtual and imaginary production, therefore a war that is oriented to the future.

Summary -- Recommendations -- An overview of juvenile detention in northern Brazil -- Mistreatment by military police and civilian guards -- Excessive use of cell confinement -- Violence among youths -- Living conditions -- Education -- Medical and mental health services.

Cette thèse analyse le régime juridique des coopératives brésiliennes et des coopératives françaises à partir de leur principe plus remarquable: la double qualité d'associé et d'usager de la société coopérative. Elle vérifie la modalité selon laquelle sont réalisés l'engagement sociétaire et l'engagement de coopération dans les deux pays, en présentant les contrastes et les convergences entre les deux systèmes juridiques, ayant comme objectif contribuer à la modernisation du droit coopératif français et brésilien. On remarque les nouvelles modalités de renforcement du capital, tel comme réalisées en France et la notion d'acte coopératif brésilien, inexistant en France. L'adoption du modèle français de contrat de coopération, est présentée comme une alternative pour le système brésilien, dans l'objectif de garantir l'efficacité des engagements opérationnels réalisés par la coopérative et par le coopérateurs. L'adoption des éléments de l'acte coopératif, tel comme pratiqué au Brésil pourra se révéler comme important mécanisme en France lors du processus de qualification du contrat de coopération

Intro -- Urban Claims and the Right to the City -- Title Page -- Copyright Page -- Contents -- List of Figures -- Notes on Contributors -- Acknowledgements -- Preface -- Introduction -- Lugar Comum, Salvador da Bahia -- Just Space, London -- The context of urban struggles in Salvador -- The policy context for housing and urban struggles in London -- Centring the margins: Knowledge production and methodology as praxis -- Acervo da Laje -- The Association of Friends of Gege and the Residents of Gamboa de Baixo -- Association of Residents and Friends of the Historic Centre (AMACH)

This empirical investigation contrasts urban food sharing practices in community gardens of two global cities facing the problems of urban vacant land and the violation of the right to food. The central inquiry guiding this investigation is: How do the principles of the right to food relate to food sharing practices within Berlin and Rio de Janeiro community gardens, and what factors explain the similarities and differences in these connections within and between these cities? The hypothesis suggests that urban food sharing within community gardens can be linked to right to food. These connections may vary based on unique socioeconomic contexts and urban challenges in each city. To empirically assess this hypothesis, the study formulated the theoretical proposition that the human right to food, the concept of urban commons, and the establishment of community gardens serve as mechanisms for addressing urban land and food crises. Interviews and questionnaires applied between 2019-2023 characterized community gardens' territorial and sociodemographic profiles by engaging with gardeners and experts (40 in total). The data had a thematic coding and analysis, combining deductive and inductive reasoning. The results confirmed the hypothesis. However, agroecological food production emerged as a unifying factor across both cities, demonstrating a shared commitment to sustainable practices. This suggests a significant international step toward social-ecological transformation in urban food and land management. The findings expanded the existing literature on the role of urban agriculture and alert for the necessary promotion and protection of community gardens.