El territorio : un agregado de espacios banales

El mundo ha cambiado mucho. Todos los países han cambiado enormemente y las diversas áreas también. Quedamos atónitos ante estas mutaciones. Se ha publicado en Brasil el resultado del último censo; su contenido nos indica que se va a exigir un enorme esfuerzo a los científicos sociales para reinterpretar a este país frente al mundo. La dificultad que tengo hoy es igual, pero a la inversa. Porque si pretendo hacer un discurso que no es sobre América Latina sólo, sino sobre el mundo, al final son teorizaciones que tienen un punto geográfico de referencia.The world has undergone a change. Al! countries as well as various areas have experienced enormous changes. The results of the Iast census in Brasil have been published and its content points to the enormous efforts that will be required from social scientists to reinterprete this country's pace in the world. The difficulty that 1 am facing today is the same, but in the opposite sense. For, if 1 intend to make a discourse, not only on Latín America, but on the world, 1 do it starting from Latín America. Indeed, al! theorizations about the world are - in the end- speculations with a geographic reference point.Le monde a bien changé. Tous les pays aussi que diverses regions ont changé enormement. Face a ces mutations nous restons stupefiés. Les resultats du dermier recensement on eté publiés en Brasil, et leur contenu nous dit qu il faudra un enorme effort de la part des scientistes sociaux pour re-interpreter ce pays face au monde. La difficulté auquelle je fait face aujourd'hui est la meme mais a l 'inverse. Puis si j'intente faire un discours, pas sur l' Amerique Latine mais sur le Monde. Je le fait a partir de l' Amerique Latine. Certainement, tautes les theorisations sur le monde a la fin son des speculations avec un point de réference géographique.Fil: Santos, Milton. Universidad Estadual de Sao Paulo (Brasil

Réflexions sur le rôle de la géographie dans la période technico-scientifique

Aujourd'hui, il n'est pas question seulement de milieu technique mais de milieu technico-scientifique. L'utilisation de la nature et les transformations correspondantes sont de plus en plus conditionnées par le savoir, et l'espace lui-même se charge de science et de technologie. Avec la mondialisation et l'unification des techniques, du travail et des capitaux, l'espace est mondialisé et toutes ses fractions sont impliquées par l'internationalisation. Les zones périphériques sont occupées, les sous-espaces deviennent économiquement spécialisés, de nouvelles complémentarités régionales se dessinent: la circulation et l'information sont des données explicatives majeures. Les migrations deviennent plus volumineuses, l'urbanisation concentrée. Le territoire est unifié par le développement des transports et des communications mais il y a désarticulation au niveau des décisions. L'État, le secteur financier et les grandes firmes réalisent l'essentiel des nouvelles régulations mais le rôle des « classes invisibles » dans la structuration de la société et de l'espace est grandissant.Today, one can't talk merely of technical milieu but of technico-scientific milieu. The use of nature and its resulting transformations are increasingly dependent upon knowledge ; and space itself is loaded with science and technology. Along with universalization and unification of techniques, labour and capital, space itself becomes global and each fraction of it is internationalized. Peripheral regions are incorporated ; subspaces attain economical specialization ; new regional complementarities appear; circulation and information are major data. Migrations get more massive and urbanization gets more concentrated. National territory is unified through the development of transport and communications; but still there is desarticulation at the decision level. The State, financial sector and big firms assume most of the new regulations but the role of « invisible classes » in structuring society and space is increasing

Estabilização uniforme e controlabilidade exata para um sistema hiperbolico

Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnologico2012-10-17T01:35:48

Sáo Paulo. urna evolucáo contradictoria.

Sin resume

Los espacios de la globalización.

Sin resume

A big data approach to explore medical imaging repositories based on DICOM

Medical imaging repositories based on the DICOM format such as Picture Archiving and Communication Systems have a huge potential from a big data perspective. The study reported by this paper aimed to verify on how the big data lifecycle processes, from production to consumption might be implemented to take advantage of the DICOM standard and respective data sources. After identifying the different processes (i.e., data collection, integration, filtering, anonymization and enrichment, and knowledge extraction) the study demonstrate their implementation using an open-source application able to access the DICOM metadata independently of the medical imaging modalities and equipment manufacturers.publishe

Cultural Astronomy: A possibility for teacher training

This presentation reports on part of a study carried out aiming to search for the contribution of the research in Cultural Astronomy to the teacher training. First, we sought to establish an overview of the existing literature in Cultural Astronomy, in order to answer the following question: how is the subject Cultural Astronomy being addressed in the scientific publications on Astronomy Education? We offer a review of the publications in journals, symposia and the BTD (Thesis and dissertations repository) of CAPES - Coordination of Improvement of Higher Education Personnel in Brazil. BTD is a platform designed to access theses, dissertations and other scientific outcomes in Brazil. It is part of the journal’s portal of the Institution. We selected papers from Brazilian authors as well as from the international community. Afterwards we filtered the database to papers that addressed the training of science teachers. We identified papers related to indigenous and Afro-Brazilian cultures, Incan, Mayan, African and Asian cultures, amongst others. The data were analyzed according to Bardin’s content analysis. The papers were classified in dissertations and theses. Then we went through a filter according to the year of publication, author, researchers’ advisors, name of the graduate program, title of the work, higher education institution, geographical region and state, keywords, cited bibliographic references, theoretical foundations, most cited researchers, data collection technique, methodological analysis, thematic focus and specific contents of Cultural Astronomy. This survey shows that research in Cultural Astronomy is still in its initial steps; only a Few authors are active in this area relative to the growing output in the teaching of astronomy in general, especially in Brazil. We can thus say that it is relevant to include elements of the study of astronomy by Indigenous, Afro-Brazilian, and other cultures in the curriculum of teacher training because this cultural wealth has a lot to offer us in terms of intercultural relations and the study of the universe as done in these various cultures

Opaque perfect lenses

The response of the ``perfect lens'', consisting of a slab of lossless material of thickness $d$ with $\epsilon=\mu=-1$ at one frequency $\omega_0$ is investigated. It is shown that as time progresses the lens becomes increasingly opaque to any physical TM line dipole source located a distance $d_0<d/2$ from the lens and which has been turned on at time $t=0$. Here a physical source is defined as one which supplies a bounded amount of energy per unit time. In fact the lens cloaks the source so that it is not visible from behind the lens either. For sources which are turned on exponentially slowly there is an exact correspondence between the response of the perfect lens in the long time constant limit and the response of lossy lenses in the low loss limit. Contrary to the usual picture where the field intensity has a minimum at the front interface we find that the field diverges to infinity there in the long time constant limit.Comment: The 7th International Conference on the Electrical transport and Optical Properties of Inhomogenous Media (ETOPIM7

Temps-Monde et Espace-Monde. Relever le défi conceptuel

Revisiter le lieu et le quotidien pour comprendre la nouvelle carte du Monde : réflexions d'un géographe sur l'accélération contemporaine et la globalisation de l'espace. World-Space and Global-Time. Taking up the challenge on the conceptual level Returning to everyday life, its location and boundaries for a better understanding of the new world geography : reflections of a geographer on contemporary acceleration and globalization of space