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showing 10 items of 28 documents
Willem Boshoff, artist's monograph and catalogue
2013
Willem Boshoff’s work articulates around a pivotal date, April 1994, the first democratic elections in South Africa. He may choose to work gigantic rocks of granite or establish vast installations of accumulated material. The artist claims that his work is based on language, often taking the form of Dictionaries. While reviewing the main questions by artists of the twentieth century, texts or artworks from Europe are systematically tested against their South African counterpart. Boshoff’s attitude is determined by a melancholic questioning of his role as a creator linked to a political situation and cultural milieu. He discovers more dynamic ways of presenting gestures when his artistic act…
The tools like evidences of metal working? : strike supports, abrasives and burnishers, sharpening tools and crushing tools
2013
Lots of lithic tools are present in Metal Ages, but few are studied. In metal production, they are especially constitued by strike supports, abrasives, burnishers, sharpening tools and crushing tools. A part of them are in metal ( strike supports) or in ceramic (abrasives, sharpening tools). Contemporary forms of these tools are too different to permit a dierct comparison. It is necessary to work on the function of the tools, deduced from the analysis of these structure. Strike supports used for metal working are easily identifiable. They allow to reproduce more or less precisely the objects that they were fabricated with. Abrasives are difficult to relate to a material, but the traces of u…
(no title)
1999
We propose hereafter that the signature of the Space-Time metric (+++-) is not anymore frozen at the Planck scale and presents quantum fluctuations (+++±) untill 0 scale where it becomes Euclidean (++++). (i) At the albraic level we suggest an oscillation path (3,1) (4,0) exluding (2,2). We built the quotient topological space describing the superposition of the Lorentzian and the Riemanian metrics. In terms of quantum groups we evidence a relation between q-deformation and deformation of the signature. We have obtained a new algebraic construction ( a new cocycle bicross products by twisting) which allowed us to unify the Lorentzian and the Euclidean signatures within a unique quantum grou…
Stackelberg-Cournot and Cournot equilibria in a mixed markets exchange economy
2012
In this note, we compare two strategic general equilibrium concepts: the Stackelberg-Cournot equilibrium and the Cournot equilibrium. We thus consider a market exchange economy including atoms and a continuum of traders, who behave strategically. We show that, when the preferences of the small traders are represented by Cobb-Douglas utility functions and the atoms have the same utility functions and endowments, the Stackelberg-Cournot and the Cournot equilibrium equilibria coincide if and only if the followers’ best responses functions have a zero slope at the SCE.
Pollution in strategic multilateral exchange: taxing emissions or trading on permit markets?
2022
We introduce polluting emissions in a sequential noncooperative oligopoly model of bilateral exchange. In one sector a leader and a follower use polluting technologies which create negative externalities on the payoffs of strategic traders who belong to the other sector. By modeling emissions as a negative externality, we show that the leader pollutes more (less) than the follower when strategies are substitutes (complements). Then, we consider the implementation of public policies to control the levels of emissions, namely two taxation mechanisms and a permit market. We study the effects of these public policies. Moreover, we determine the conditions under which these public policies can i…
Management of infants with neural tube defects (NTDs) in NICU
2017
Neural tube defects (NTDs) are a group of congenital malformations of the central nervous system, which derive from an altered embryological development during neurulation. The different types of NTDs are closely related to their onset in the embryonic period; precocity is an index of greater severity of clinical manifestation. The myelomeningocele is one of the most common pathological conditions which is included into the spectrum of NTDs. It is characterized by the lack of fusion of the vertebral arches, resulting in eversion of the meninges and medullary content; it is the condition which clearly needs more assistance in the neonatal intensive care unit. The management of patients with …
The motor development of preterm infants after the neonatal intensive care unit
2017
The extra uterine environment is a hostile environment, due to noises, lights and different biological activities compared to intra uterine environment for infants born preterm or underweight. Stress and painful experiences may also impact developmental outcomes. In addition, developmental delay risks increase with the decrease in gestational age. Thus, those born with immature developed systems may need neonatal intensive care units (NICU) in order to allow a correct growth and body maturation. In general, infants that need NICUs suffer from a slower development compared to their full-term peers. This may translate in a delay in oral, tactile, kinesthetic, vestibular, auditory, olfactory, …
The global crisis of multidrug resistance: how to face healthcare associated infections without effective antibiotics?
2013
[No abstract available
CSR practices in professional sport clubs : towards a new model of legitimization?
2012
The concept of Corporate Social Responsibility (CSR), developed in the US throughout the second half part of the 20th century, is the application of the principles of sustainable development in businesses. Formerly used by the multinational sector only, the concept of CSR has spread nowadays over a large kind of organizations including French professional sports clubs. The purpose of this research is to show, in the continuity of neoinstitutionnalism, that CSR practices in these organizations are primarily answering to goals of legitimating, aiming to make their activities viable towards the expectations of their environment stakeholders. Suggesting a framework, and applying it to four case…
Quels progrès en matière de statut des groupes parlementaires ?
2018
International audience