6,199 research outputs found
Appliquer une loi sociale en France sous la Convention. La mise en œuvre de la loi du 13 septembre 1793
No full textÉric Teyssier, Appliquer une loi sociale en France sous la Convention. La mise en œuvre de la loi du 13 septembre 1793.
Indem der Autor über die Ardèche und den Bezirk von Grenoble forscht, kritisiert er die Historiographie über den Verkauf der Güter der Emigrierten. Er behauptet, anhand zahlreicher lokaler Beispiele, daß das Gesetz anwendbar war und angewandt wurde, wenn eine starke Anfrage von bescheidenen Käufern sich mit dem guten Willen der Verwalter des Bezirks traf. Fur E. Teyssier erklärt sich das Scheitern des Gesetzes durch die Zaghaftigkeit des Konvents, dem es nicht gelungen ist, die gesamten Bezirke zu einer Durchfùhrung des Gesetzes zu ermutigen.Eric Teyssier, A Social Law Enacted in France under the Convention : the Implementation of the Law of 13 September 1793.
Focusing his research on the Ardèche and District of Grenoble, the author conducts a critical review of the historiography of the sales of Emigré properties. Relying on many local examples, he avers that the law was applicable and actually put into effect in areas where a strong demand from small buyers and the goodwill of the District authorities coincided. For E. Tessier, the failure of the law is attributable to the faintheartedness of the Convention which failed to urge all the Districts to implement it.Eric Teyssier, Applicare una legge sociale in Francia sotto la Convenzione. L'attuazione della legge del 13 settembre 1 793.
Stabilito il suo campo di ricerche in Ardèche e nel distretto di Grenoble, l'autore fa la critica della storiagrafia sulla vendita dei béni degli emigrati. Appoggiandosi su numerosissimi esempi locali, egli sostiene che la legge porteva essere applicata e che fu attuata nei posti dove ci fu convergenza tra una forte richiesta di compratori modesti e la buona volonta degli administratori del distretto. Secondo Eric Teyssier, l'insuccesso della legge è dovrito alla « timidezza » della Convenzione che non ha saputo incoraggiare l'insieme dei distretti ad applicare tale legge.Éric Teyssier, Appliquer une loi sociale en France sous la Convention. La mise en oeuvre de la loi du 13 septembre 1793.
Établissant son champ de recherche en Ardèche et dans le district de Grenoble, l'auteur fait la critique de l'historiographie sur la vente des biens des émigrés. Il soutient, à l'aide de multiples exemples locaux, que la loi était applicable et qu'elle fut appliquée là où il y eut convergence d'une forte demande d'acheteurs modestes et de la bonne volonté des administrateurs de district. Pour E. Teyssier, l'échec de la loi est à mettre au compte de la timidité de la Convention qui n'a pas su encourager l'ensemble des districts à appliquer la loi.Teyssier Eric. Appliquer une loi sociale en France sous la Convention. La mise en œuvre de la loi du 13 septembre 1793. In: Annales historiques de la Révolution française, n°312, 1998. pp. 265-283
Numerical cosmology on the GPU with Enzo and Ramses
No full textA number of scientific numerical codes can currently exploit GPUs with remarkable performance. In astrophysics, Enzo and Ramses are prime examples of such applications. The two codes have been ported to GPUs adopting different strategies and programming models, Enzo adopting CUDA and Ramses using OpenACC. We describe here the different solutions used for the GPU implementation of both cases. Performance benchmarks will be presented for Ramses. The results of the usage of the more mature GPU version of Enzo, adopted for a scientific project within the CHRONOS programme, will be summarised
Chameleon f(R) gravity on the Virgo cluster scale
No full textModels of modified gravity offer promising alternatives to the concordance Λ cold dark matter (ΛCDM) cosmology to explain the late-time acceleration of the universe. A popular such model is f(R) gravity, in which the Ricci scalar in the Einstein-Hilbert action is replaced by a general function of it. We study the f(R) model of Hu & Sawicki, which recovers standard general relativity in high-density regimes, while reproducing the desired late time acceleration at cosmological scales. We run a suite of high-resolution zoom simulations using the ecosmog code to examine the effect of f(R) gravity on the properties of a halo that is analogous to the Virgo cluster. We show that the velocity dispersion profiles can potentially discriminate between f(R) models and ΛCDM, and provide complementary analysis of lensing signal profiles to explore the possibility to further distinguish the different f(R) models. Our results confirm the techniques explored by Cabré etal. to quantify the effect of environment in the behaviour of f(R) gravity, and we extend them to study halo satellites at various redshifts. We find that the modified gravity effects in our models are most observable at low redshifts, and that effects are generally stronger for satellites far from the centre of the main halo. We show that the screening properties of halo satellites trace very well that of dark matter particles, which means that low-resolution simulations in which subhaloes are not very well resolved can in principle be used to study satellite properties. We discuss observables, particularly for halo satellites, that can potentially be used to constrain the observational viability of f(R) gravit
Chameleon gravity on the Virgo cluster scale
No full textModels of modified gravity offer promising alternatives to the concordance CDM cosmology to explain the late-time acceleration of the universe. A popular such model is gravity, in which the Ricci scalar in the Einstein-Hilbert action is replaced by a general function of it. We study the model of Hu & Sawicki (2007), which recovers standard General Relativity in high density regimes, while reproducing the desired late-time acceleration at cosmological scales. We run a suite of high resolution zoom simulations using the ECOSMOG code to examine the effect of gravity on the properties of a halo that is analogous to the Virgo cluster. We show that the velocity dispersion profiles can potentially discriminate between models and CDM, and provide complementary analysis of lensing signal profiles to explore the possibility to further distinguish the different models. Our results confirm the techniques explored by Cabre et al. (2012) to quantify the effect of environment in the behavior of gravity, and we extend them to study halo satellites at various redshifts. We find that the modified gravity effects in our models are most observable at low redshifts, and that effects are generally stronger for satellites far from the center of the main halo. We show that the screening properties of halo satellites trace very well that of dark matter particles, which means that low-resolution simulations in which subhalos are not very well resolved can in principle be used to study satellite properties. We discuss observables, particularly for halo satellites, that can potentially be used to constrain the observational viability of
gravity
Nature is culture : when ecological consciousness is the fruit of the interculturation
No full textL’auteure s’interroge sur le rapport que les Français entretiennent avec leur environnement proche, dans un contexte mêlant à la fois un accroissement de la valeur symbolique de la nature et une poursuite effrénée de sa destruction. Ce questionnement place l’attitude au cœur de cette recherche et avance hypothétiquement que les valeurs, les images, les émotions ainsi que le contexte dans lequel se développe l’individu sont autant de facteurs qui la détermine.La démarche initiée considère par ailleurs la dynamique interculturelle et ses effets intrapsychique. La personnalité interculturelle contrainte à la polyréférenciation étant dorénavant comprise comme banale (Teyssier, 2010), l’auteure émet en seconde hypothèse que la structuration de l’attitude à l’égard de la nature peut apparaître simple ou complexe, à l’image de la structuration des déterminants supposés.La teneur de ces postulats implique que l’étude porte sur l’ensemble de la France et appréhende la complexité de cette problématique. Aussi, un questionnaire multidimensionnel appliqué à un échantillon (N=304) permet de tester les deux hypothèses présentées.L’analyse des résultats démontre que les valeurs et les images influencent l’attitude exprimée à l’égard de la nature. D’autre part, l’existence d’une structuration de type simple et complexe pour chacune des variables de l’étude est dégagée. Néanmoins, le type de structuration des déterminants ne conditionne pas le type de structuration de l’attitude. L’auteure relève toutefois que la diversité des sources culturelles disponibles et le fruit des interculturations actuelles associés à une prise de conscience écologique incarnée, ouvre à une opérationnalisation nouvelle du rapport Homme-Nature jamais éprouvée par ailleurs. Ce nouveau rapport à la nature, fruit de l’interculturation, est nommée « attitude Isomère ».The author examines the relationship that the French have with their immediate environment, in a context that combines an increase in the symbolic value of nature and the unbridled pursuit of its destruction. This questioning place the attitude at the heart of this research and suggests that values, images, emotions and the context in which the individual develops are all factors that determine it.The approach initiated also considers the intercultural dynamic and its intrapsychic effects. Since the intercultural personality forced to poly-referentiate is now understood as commonplace (Teyssier, 2010), the author's second hypothesis is that the structuring of the attitude towards nature can appear simple or complex, just like the structuring of the supposed determinants.The content of these assumptions implies that the study covers the whole of France and grasps the complexity of this issue. Therefore, a multidimensional questionnaire applied to a sample (N=304) makes it possible to test the two hypotheses presented.The analysis of the results shows that values and images influence the attitude towards nature. On the other hand, the existence of simple and complex structuring for each of the variables in the study is revealed. Nevertheless, the type of structuring of the determinants does not condition the type of structuring of the attitude. The author notes, however, that the diversity of available cultural sources and the fruit of current interculturations associated with an embodied ecological awareness, opens up a new operationalization of the Man-Nature relationship never experienced elsewhere. This new relationship with nature, the result of interculturation, is called the "Isomer attitude"
Manuel-guide de la fabrication du sucre. À l'usage des fabricants de sucre, directeurs et chimistes de sucrerie, etc. et plus spécialement des contremaîtres et surveillants de cette industrie.
No full textImprint covered by label of Gauthier-Villars.At head of title: R. Teyssier.Mode of access: Internet
Rock magnetic properties of the Arunta Block, Central Australia, and their implication for the interpretation of long-wavelength magnetic anomalies
No full textRock magnetic and petrologic studies of a suite of deep crustal rocks from the Arunta Block of Central Australia reveal that the granulite grade rocks are in general much more magnetic than the amphibolite grade samples irrespective of bulk rock composition. The dominant magnetic mineral in all samples is relatively pure magnetite as determined from thermomagnetic and electron microprobe analysis. The bulk magnetic properties are typical of pseudo-single-domain to multidomain size material. The samples from our study have very large remanences compared to previous crustal magnetic studies, with the granulites having a median natural remanent magnetization of 4.1 A/m and Koenigsberger ratio of 7.2. These remanences are relatively resistant to thermal demagnetization, with nearly 50% of the magnetization remaining after 400°C demagnetization. Thus remanence may contribute significantly to the observed magnetic anomalies, including long-wavelength magnetic anomalies, the source of which resides at depth and therefore at elevated temperature, where a thermoviscous remanent magnetization along the present-day field is likely to dominate. The magnetic susceptibilities of the samples are only capable of producing a magnetization of less than 1 A/m in the 0.05 mT present-day field of Central Australia. Susceptibility is nearly constant with temperature to within 30°C of the Curie temperature where it decreases rapidly, i.e., there is no significant Hopkinson peak. The granulite samples from this study have magnetizations, both remanent and induced components, that are large enough to account for most long-wavelength magnetic anomalies if they are juxtaposed with relatively nonmagnetic rocks, similar to the high-grade rocks in the Canadian Shield.NASA grant NGT-50421, the Northern Territory Geological Survey, the Geological Society of America, Sigma Xi, and the University of Minnesota.Kelso, Paul; Banerjee, Subir; Teyssier, Christian. (1993). Rock magnetic properties of the Arunta Block, Central Australia, and their implication for the interpretation of long-wavelength magnetic anomalies. Retrieved from the University Digital Conservancy, 10.1029/93JB01158
New geochemical and age constraints on forearc intrusive rocks from the New Caledonia ophiolite (SW Pacific): diversity of melts generated at hot subduction inception
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