Medea o la razón dominada por la pasión

Medea es aquel personaje que, reconociendo las debilidades de su género en el contexto social de la antigua Grecia, se sobrepone a sus limitaciones, no se conforma con su desdicha y actúa según sus propios impulsos luego de reflexiones que no bastan para calmar el fuego de la pasión

Texte et contexte en dialogue

Nous prenons pour objet le discours en tant qu’activité dialogique conjointe et processus imprévisible co-construit par au moins deux interlocuteurs. Analyser cette praxis dans ses dimensions sémantique, pragmatique et praxéologique nous conduit à distinguer le texte ; le cotexte ; l’intexte ; le contexte proprement dit ; la situation ; et enfin l’arrière-plan qui tous, à chaque niveau, fournissent les données indispensables à l’établissement d’une compréhension et d’une communication dialogique.We take for object the speech as joint activity and unpredictable process co-built by at least two interlocutors. By analyzing this praxis in its semantic, pragmatic and praxeological dimensions we shall be led to distinguish the text; the cotext; the intext; the context stricto sensu; the situation; and finally the background, all determinations which, at each level, supply the essential data to the construction of a understanding and a dialogical communication

Does Long-Term GPS in the Western Alps Finally Confirm Earthquake Mechanisms?

International audienceThe availability of GPS survey data spanning 22 years, along with several independent velocity solutions including up to 16 years of permanent GPS data, presents a unique opportunity to search for persistent (and thus reliable) deformation patterns in the Western Alps, which in turn allow a reinterpretation of the active tectonics of this region. While GPS velocities are still too uncertain to be interpreted on an individual basis, the analysis of range‐perpendicular GPS velocity profiles clearly highlights zones of extension in the center of the belt (15.3 to 3.1 nanostrain/year from north to south), with shortening in the forelands. The contrasting geodetic deformation pattern is coherent with earthquake focal mechanisms and related strain/stress patterns over the entire Western Alps. The GPS results finally provide a reliable and robust quantification of the regional strain rates. The observed vertical motions of 2.0 to 0.5 mm/year of uplift from north to south in the core of the Western Alps is interpreted to result from buoyancy forces related to postglacial rebound, erosional unloading, and/or viscosity anomalies in the crustal and lithospheric root. Spatial decorrelation between vertical and horizontal (seismicity related) deformation calls for a combination of processes to explain the complex present‐day dynamics of the Western Alps

3D GPS velocity field and its implications on the present-day postorogenic deformation of the Western Alps and Pyrenees

We present a new 3D GPS velocity solution for 182 sites for the region encompassing the Western Alps, Pyrenees, and southern France. The velocity field is based on a Precise Point Positioning (PPP) solution, to which we apply a common-mode filter, defined by the 26 longest time series, in order to correct for network-wide biases (reference frame, unmodeled large scale processes, ¿). We show that processing parameters, such as troposphere delay modeling, can lead to systematic velocity variations of 0.1 - 0.5 mm/yr affecting both accuracy and precision, especially for short (< 5 yr) time series. A velocity convergence analysis shows that minimum time-series lengths of ~3 years and ~5.5 years are required to reach a velocity stability of 0.5 mm/yr in the horizontal and vertical components, respectively. On average, horizontal residual velocities show a stability of ~0.2 mm/yr in the Western Alps, Pyrenees, and southern France. The only significant horizontal strain rate signal is in the western Pyrenees with up to 4 x 10-9 yr-1 NNE-SSW extension, whereas no significant strain rates are detected in the Western Alps (< 1 x 10-9 yr-1). In contrast, we identify significant uplift rates up to 2 mm/yr in the Western Alps but not in the Pyrenees (0.1 ± 0.2 mm/yr). A correlation between site elevations and fast uplift rates in the northern part of the Western Alps, in the region of the Wurmian ice cap, suggests that part of this uplift is induced by postglacial rebound. The very slow uplift rates in the southern Western Alps and in the Pyrenees could be accounted for by erosion-induced rebound

Entretien inédit (II) : « Ce que je pensais, ce que je faisais »

Le Centre Louis Gernet, le marxisme et le microcomparatisme José Otávio GuimarãesEst-il vrai qu’au départ le Centre Gernet ne comportait pas d’helléniste, que c’était vous seulement qui occupiez cette fonction ? Jean-Pierre VernantLe Centre Louis Gernet a son origine dans le comparatisme, puisque, avant qu’il ne soit le Centre de recherches comparées sur les sociétés anciennes, l’origine de ce Centre, ça a été le fait qu’au début des années soixante, un certain nombre d’historiens, d’antiquis..

Entretien inédit (I) : « Comme une barque sur un fleuve… »

Le document proposé ici est un entretien inédit avec Jean-Pierre Vernant, réalisé le 14 avril 1999. L’échange porte sur la notion d’anthropologie historique et sur la manière dont elle s’est constituée pour l’étude de la Grèce ancienne, sous ce nom ou sous d’autres appellations, à travers l’œuvre de Vernant, en particulier dans un rapport critique et une discussion ininterrompue avec les travaux de Georges Dumézil, de Claude Lévi-Strauss et, dans une moindre mesure, de Michel Foucault. L’entretien restitue aussi la dimension personnelle des rapports entretenus par Jean-Pierre Vernant avec ses grands contemporains.The document here propounded is an unpublished interview with Jean-Pierre Vernant, realized on April 14th 1999. The exchange bears on the notion of historical anthropology and on the way in which it came to be developed for the study of ancient Greece, under that name or other designations through Vernant’s work, in particular in a critical relationship and uninterrupted discussion with the works of George Dumézil, Claude Lévi-Strauss and to a lesser extent Michel Foucault. The interview also recaptures the personal dimension of the relationships which Jean-Pierre Vernant entertained with his eminent contemporaries

GPS constraints on Indo-Asian convergence in the Bhutan Himalaya: Segmentation and potential for a 8.2-8.8 Mw earthquake

The seismogenic setting of Bhutan is unusual due to its lower-than-average 20th century seismic moment release (Drukpa et al. 2006), its absence of a reliable historical record, and its unusual location near the Shillong plateau where a great earthquake in 1897 resulted in ≈10 m of N/S shortening of the Indian plate to its south (Gahalaut et al. 2011). Despite these indicators that lower than normal convergence velocities should currently prevail, the GPS velocity between Shillong and Lhasa suggests that convergence in Sikkim and Bhutan occurs at velocities exceeding 20 mm/yr. GPS points between the Greater Himalaya and the Shillong Plateau measured in 2003, 2006 and 2012 permit us to quantify Bhutan\u27s seismogenic potential