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See detail3D Modelling of the Black Sea Ecosystem
Capet, Arthur ULg; Grégoire, Marilaure ULg

Conference (2011, April)

Detailed reference viewed: 16 (7 ULg)
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See detailAssessment of the long term changes of the SES ecosystem
Grégoire, Marilaure ULg

Conference (2011, April)

Detailed reference viewed: 8 (6 ULg)
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See detailFGF23 and Klotho: an emerging role in phosphate metabolism
CAVALIER, Etienne ULg

Conference (2011, April)

Detailed reference viewed: 12 (0 ULg)
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See detailCross border capital market litigation
Wautelet, Patrick ULg

Conference (2011, April)

The presentation attempts to capture some of the most striking questions posed by cross-border capital market litigation. These questions are studied using as background the rules of European private ... [more ▼]

The presentation attempts to capture some of the most striking questions posed by cross-border capital market litigation. These questions are studied using as background the rules of European private international law. The purpose of the presentation was not only to provide information on these rules, but also to verify whether the application of these rules indeed raise difficult issues and, if yes, whether changes are needed. [less ▲]

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See detailCaryl Phillips's Drama: Fiction Under Construction
Ledent, Bénédicte ULg

Conference (2011, April)

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See detailLa réglementation de la répartition géographique des sièges en Belgique : perspectives juridique et historique
Bouhon, Frédéric ULg

Conference (2011, April)

La communication examine la question de la répartition géographique des sièges de la Chambre des représentants et du Sénat belges. Après l'analyse de quelques notions et questions théoriques utiles à l ... [more ▼]

La communication examine la question de la répartition géographique des sièges de la Chambre des représentants et du Sénat belges. Après l'analyse de quelques notions et questions théoriques utiles à l'exposé (tel que le concept de circonscription), l'exposé passe en revue la manière dont la répartition des sièges est organisée dans plusieurs États européens avec des profils différents (unitaires ou fédéraux, unilingues ou plurilingues, etc). Cette introduction sert de toile de fond à l'étude de l'évolution des règles de répartition géographique des sièges en Belgique de 1831 à nos jours et permet de rechercher, en particulier, quel est l'impact des réformes de l'État belge sur ces règles. [less ▲]

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See detail21st century high-resolution downscaling of the Antarctic surface mass balance from global circulation models
Agosta, Cécile ULg; Favier, Vincent; Genthon, Christophe et al

Conference (2011, April)

Most of the IPCC-AR4 Atmospheric Global Circulation Models (AGCM) predict an increase of the Antarctic Surface Mass Balance (SMB) during the 21st century that would mitigate global sea level rise. Present ... [more ▼]

Most of the IPCC-AR4 Atmospheric Global Circulation Models (AGCM) predict an increase of the Antarctic Surface Mass Balance (SMB) during the 21st century that would mitigate global sea level rise. Present accumulation and predicted change are largest at the ice sheet margins because they are driven by snowfall, which mostly comes from warm, moist air arising over the land slopes. The coastal belt is also where complex processes of sublimation, melt and redistribution by the wind occur. Thus, high-resolution modelling (5 to 10 km) is necessary to adequately capture the effects of small-scale variations in topography on the atmospheric variables in this area, but limitations in computing resources prevent such resolution at the scale of Antarctica in full climate models. We present here a downscaling method leading to 10-km SMB resolution for century time-scales over Antarctica. We compute the effect of the fine topography on orographic precipitation and on boundary layer processes that lead to melt and sublimation. We show that the accumulation downscaled from ERA-Interim is in good agreement with field measurements for the last 40 years. We then display the SMB downscaled from LMDZ4 AGCM outputs (~60-km resolution), and show that the downscaling improves the agreement between present modelled and observed SMB. Finally, we present hi-resolution features of the Antarctic SMB evolution during the 21st century downscaled from LMDZ4 and discuss the effect of the resolution on the Antarctic SMB contribution to sea level change. The downscaling model is a powerful tool that will be applied to others climate models for a better assessment of future sea level rise. [less ▲]

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See detailAt the other end of the field lines: the satellite footprints
Bonfond, Bertrand ULg

Conference (2011, April)

The electromagnetic perturbations caused by the interaction between the moons Io, Europa, and Ganymede and the Jovian magnetosphere propagate along magnetic field lines in the form of Alfvén waves and ... [more ▼]

The electromagnetic perturbations caused by the interaction between the moons Io, Europa, and Ganymede and the Jovian magnetosphere propagate along magnetic field lines in the form of Alfvén waves and finally create auroral footprints in Jupiter’s polar ionosphere. Thanks to the high spatial and temporal resolution of the Hubble Space Telescope, the analysis of the footprints in the Far UV domain provides extremely valuable information on these interactions. In the case of the Io footprint, the analysis of the multiplicity of the auroral spots and of their relative motion resulted into a new understanding of the far field interaction, which involves trans-hemispheric electron beams. Consistent with the in-situ energetic electrons observations, this scenario has been later reinforced by theoretical models simulating the Alfvén wave’s propagation and the ways these waves accelerate electrons. Moreover, while the altitude and the vertical profile of the auroral emissions provide crucial information on the energy of the precipitating electrons, the measure of the shape of the different sub-structures of the satellite footprints provides important clues about the size of the interaction region. The evolution of the footprint brightness is also an essential parameter for understanding the energies involved in the interaction. Finally, the study of the satellite footprints can also be used for broader purposes than just the investigation of the satellite-magnetosphere interaction, such as building more accurate Jovian magnetic field models. [less ▲]

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See detailDirectional and non-directional risk exposures in Hedge Fund returns
Lambert, Marie ULg; Hübner, Georges ULg; Papageorgiou, Nicolas

Conference (2011, April)

Detailed reference viewed: 63 (2 ULg)
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See detailCross-Border Same Sex Relationships - Private international law aspects
Wautelet, Patrick ULg

Conference (2011, April)

This presentation attempts to give an overview of the private international law rules pertaining to same sex relationships (marriages and partnerships) in Europe, in order to examine whether there exists ... [more ▼]

This presentation attempts to give an overview of the private international law rules pertaining to same sex relationships (marriages and partnerships) in Europe, in order to examine whether there exists a consensus among the countries concerned, what are the difficulties arising out of the lack of consensus and how these difficulties can best be tackled. The proceedings of the conference will appear in a book published by Intersentia (Boele Woelki/Fuchs, Legal Recognition of Same-Sex Relationships in Europe, Antwerp, 2nd ed. 2011). [less ▲]

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See detailAssimilation of high-frequency radar currents in the Ligurian Sea
Barth, Alexander ULg; Chiggiato, Jacopo; Alvera Azcarate, Aïda ULg et al

Conference (2011, April)

The circulation in the Ligurian Sea is dominated by strong currents, namely the Western Corsican Current and the East Corsican Current, which jointly form the Northern Current. A high mesoscale activity ... [more ▼]

The circulation in the Ligurian Sea is dominated by strong currents, namely the Western Corsican Current and the East Corsican Current, which jointly form the Northern Current. A high mesoscale activity, including meanders and eddy formation, is associated to those energetic currents. The non-linear instability processes and apparently chaotic behavior of this current system make this region a challenging testbed for data assimilation. High-frequency radar surface currents have been measured by the NATO Undersea Research Centre (NURC), La Spezia, Italy from two sites at the Italian Coast (Isola Palmaria and San Rossore). Each of those sites measures the radial currents relative to the position of the radar system. This WERA system captures well the general circulation and mesoscale flow features. The present study shows an application of the assimilation of those measurements in a nested model con- figuration of the Ligurian Sea. It is assumed that the error in the model surface currents comes primarily from uncertainties in the lateral boundary conditions and surface wind fields. The objective of this study is to reduce the uncertainty in these forcing fields by data assimilation. An ensemble of 100 perturbed lateral boundary conditions and surface wind fields is created to take the uncertainty into account. Using an ensemble-smoother technique described in Barth et al, 2010 (Ocean Science) and Barth et al, 2010 (Ocean Dynamics, in press), improved estimates of the wind forcing and boundary conditions are obtained. By rerunning the model with the updated forcing fields, it is verified that the analyzed model solution is closer to the observed HF radar currents. This technique is similar to 4D-Var, but since it is based on the ensemble covariance between forcing fields and observations, it does not require the formulation of an adjoint. [less ▲]

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See detailStudying the Lausanne Trilogue Play Paradigm in the Clinical Assessment Process
Miscioscia, Marina ULg; Simonelli, Alessandra; Gatta, Michela et al

Conference (2011, April)

Detailed reference viewed: 161 (6 ULg)
See detailLa circonscription électorale fédérale: une approche délibérative de la question
Dodeigne, Jérémy ULg

Conference (2011, April)

Belgium constitutes a good illustration of Mill’s statement about public opinion in divided societies: “the united public opinion…cannot exist [in a country which citizens] read and speak different ... [more ▼]

Belgium constitutes a good illustration of Mill’s statement about public opinion in divided societies: “the united public opinion…cannot exist [in a country which citizens] read and speak different languages” (1993: 391-7). However, according to Lijphart (2007), sociological and political divisions are not problematic. On the contrary, his seminal work on consociationalism promotes such separations among social groups through power-sharing and self-rule. Concerning its electoral system, Belgium represents a striking case of consociational design; whereas criticised by several due to its consequences on the Belgian political system. Indeed, it implies an ethnicisation of political life while it favours intra-groups’ claims escalation as well as it prevents inter-groups communication. In this respect, the proposal for a federal electoral constituency (FEC) in Belgium was put back on the agenda in 2007. First proposed in 1979, the proposal was quite fairly debated during the electoral campaign and government formation.This proposal offers deliberative perspectives to that question. Indeed, electoral studies do not tackle citizens’ perceptions, at least not directly, nor do they focus on reasons of citizens’ opinions. Yet, a specific deliberative methodology (scenario workshop) can explore this research path. Based on data collected during autumn 2009, we can offer tentative answers to crucial questions relating to citizens’ opinions about the FEC: what do they think? Do they feel involved and concerned by this debate? Do they agree or disagree with the electoral reform proposal? And, more importantly, why do they think so when invited to deliberate with other citizens, politicians and experts? [less ▲]

Detailed reference viewed: 61 (3 ULg)
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See detailThe role of surfactins in plant immunization by Bacilli
Cawoy, Hélène ULg; Henry, Guillaume ULg; Jourdan, Emmanuel ULg et al

Conference (2011, April)

Detailed reference viewed: 76 (32 ULg)
Peer Reviewed
See detailSoft Capture
Agrell, Per; Gautier, Axel ULg

Conference (2011, April)

Detailed reference viewed: 5 (0 ULg)
See detailPrison et traitement médiatique
Seron, Vincent ULg

Conference (2011, March 31)

Detailed reference viewed: 34 (5 ULg)
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See detailFANTOM Project Overview
Georges, Marc ULg

Conference (2011, March 31)

Detailed reference viewed: 16 (1 ULg)
See detailMass spectrometry applied to biomolecules analysis
Far, Johann ULg; Mazzucchelli, Gabriel ULg; Meuwis, Marie-Alice ULg et al

Conference (2011, March 31)

Detailed reference viewed: 37 (7 ULg)
See detailFunctional Foods: Spaces of Innovation and the Materiality of Scientific Universality
Hendrickx, Kim ULg

Conference (2011, March 29)

Throughout human history, different authorities have prescribed what to eat and what foodstuffs to avoid. This paper looks at one particular authority that has gained considerable influence in the past ... [more ▼]

Throughout human history, different authorities have prescribed what to eat and what foodstuffs to avoid. This paper looks at one particular authority that has gained considerable influence in the past two decades: nutrition science. Our aim is to render a subfield of nutrition science called ‘functional food science’ ethnographically analyzable, in order to add more precision to the common statement that the ‘findings’ of ‘scientists’ have become recognized by ‘the European Authorities’. Which actors are involved, what are the actors’ respective playing fields, and how are these fields related? The paper is divided in a descriptive part, and a discussion section. In the descriptive part, we propose a brief genealogy of functional food science and the construction of a new scientific gaze on food. The genealogy enables us to distinguish a series of actors, choices, and locally rooted practices in a story that is qualitatively different from accounts in terms of scientific universality. The discussion section at the end of this paper proposes further venues for anthropological research into the relations between science, health and power in a competitive economic and political order. These research questions problematize the meaning and substance of ‘innovation’. [less ▲]

Detailed reference viewed: 58 (19 ULg)
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See detailThe Vocal Impact of a Prolonged Reading Task at two Intensity Levels
Remacle, Angélique ULg; FINCK, Camille ULg; Roche Anne et al

Conference (2011, March 29)

The purpose of this study is to evaluate the impact on voice of both duration and intensity level of 2 hours of continuous oral reading. Fifty normophonic women (mean age: 25.4 years) undergo two sessions ... [more ▼]

The purpose of this study is to evaluate the impact on voice of both duration and intensity level of 2 hours of continuous oral reading. Fifty normophonic women (mean age: 25.4 years) undergo two sessions of voice loading in which the required intensity level of voice varied: 60-65 dB(A) for the first session, and 70-75 dB(A) for the second session. The results of loading are assessed with regard to objective data and self-rating of voice obtained every 30 minutes during the oral reading tasks. Serial voice quality objective data is obtained by use of Multi-Dimensional Voice program (Average fundamental frequency (AvF0), Jitter percent (Jitt), Shimmer percent (Shim), Noise-to-Harmonic Ratio (NHR)). Serial measurements of maximum phonation time (MPT) and voice range are carried out by use of Kay Elemetrics Computerized Speech Lab. The following characteristics are also categorized by the use of a 100 mm visual analogue scale every 30 minutes of the oral reading tasks: voice quality, feeling of phonation effort, vocal fatigue, and laryngeal discomfort. Results indicate that AvF0, lowest frequency of voice range, softest output of phonation, feeling of phonation effort, vocal fatigue and laryngeal discomfort rise during prolonged oral reading. On the contrary, Shim and self-rating of voice quality decrease significantly with the passage of time during the voice loading. Jitt and NHR tend to decrease. MPT decreases after the first 30 minutes but increases afterwards. AvF0 and highest frequency of voice range are the only parameters influenced by the required intensity of oral reading task: these values are significantly higher in the 70-75 dB session compared to the 60-65 dB session. [less ▲]

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See detailBuilding Design and Classroom Acoustics
Amarante Andrade, Pedro; Morsomme, Dominique ULg; Epstein, Ruth

Conference (2011, March 29)

Teachers and students suffer from the impact of noisy classrooms. This is due to poor sound isolation, traffic and noise generated by electronic data processors, HVAC (Heating, Ventilation and Air ... [more ▼]

Teachers and students suffer from the impact of noisy classrooms. This is due to poor sound isolation, traffic and noise generated by electronic data processors, HVAC (Heating, Ventilation and Air Conditioning) interference and reverberation levels. For teachers, this resulted in increased vocal loading and fatigue, frequently leading to vocal issues. Furthermore, poor acoustic conditions influence children language acquisition process, sometimes leading to impaired concentration, behavioural disorders, and attention deficit. The problem is more enhanced in children with hearing impairment (temporary or permanent) or with other disabilities. Lack of information and normative data on the aspects of building design and classroom acoustics have prompted this review, which comprises of sources originated from Canada, France and Belgium. [less ▲]

Detailed reference viewed: 472 (19 ULg)
See detailLa liberté religieuse, le financement des cultes et la Constitution belge
Behrendt, Christian ULg

Conference (2011, March 28)

Detailed reference viewed: 72 (37 ULg)
See detailLe financement public des communautés convictionnelles aujourd’hui. Qui reçoit quoi ? Comment ? Et pourquoi ?
Husson, Jean-François ULg

Conference (2011, March 28)

This papers details all channels of public financing for religious and philosophical communities in Belgium. It provides estimates of these transfers but seeks mainly to identify their political ... [more ▼]

This papers details all channels of public financing for religious and philosophical communities in Belgium. It provides estimates of these transfers but seeks mainly to identify their political justifications (social cohesion, inter-faiths dialogue, intra-faith dialogue,...). [less ▲]

Detailed reference viewed: 32 (1 ULg)
See detailQuestions autour d’un impôt philosophiquement dédicacé
Husson, Jean-François ULg

Conference (2011, March 28)

Detailed reference viewed: 28 (0 ULg)
See detailLes dimensions spectaculaires du catholicisme baroque : bilan et perspectives
Delfosse, Annick ULg

Conference (2011, March 28)

Detailed reference viewed: 76 (17 ULg)
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See detailIs paralysing lumbar disc herniation a surgical emergency ?
DUBUISSON, Annie ULg; BORLON, Sarah ULg; NGUYEN KHAC, Minh-Tuan ULg et al

Conference (2011, March 26)

Detailed reference viewed: 75 (8 ULg)
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See detailFormal tools for argumentation
Leclercq, Bruno ULg

Conference (2011, March 25)

Detailed reference viewed: 15 (2 ULg)
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See detailDCD kidney transplantation from 2000 to 2009: a Belgian review
Darius, T.; Ledinh, H.; Monbaliu, D. et al

Conference (2011, March 24)

Detailed reference viewed: 22 (4 ULg)
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See detailRescue of cold preserved human liver grafts, by hypothermic oxygenated machine perfusion?
Vekemans, K.; Van Pelt, J.; Wylin, T. et al

Conference (2011, March 24)

Detailed reference viewed: 2 (0 ULg)
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See detailL'analyse morpho-constitutionnelle des lithiases, une avancée
GADISSEUR, Romy ULg

Conference (2011, March 24)

Detailed reference viewed: 30 (4 ULg)
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See detailLes norovirus
HUYNEN, Pascale ULg

Conference (2011, March 24)

Detailed reference viewed: 5 (0 ULg)
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See detailGuidelines for the management of osteoarthritis
Bruyère, Olivier ULg

Conference (2011, March 24)

Detailed reference viewed: 30 (1 ULg)
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See detailLes dieux et leurs statues dans la céramique grecque
Collard, Hélène ULg

Conference (2011, March 24)

Detailed reference viewed: 25 (8 ULg)
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See detailLiver transplantation for donation after cardiocirculatory death donors: Belgian experience 2003-2009
DE ROOVER, Arnaud ULg; Ledinh, H.; Donckier, V. et al

Conference (2011, March 24)

Detailed reference viewed: 15 (2 ULg)
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See detailPreservation of normal morphology of human livers afte 24-hours of hypothermic machine perfusion: a first-in-man study
Monbaliu, D.; Liu, Q.; Libbrecht, L. et al

Conference (2011, March 24)

Detailed reference viewed: 11 (2 ULg)
See detailDie Auswirkungen der Salduz-Rechtsprechung des EGMR im Belgischen Recht
Thevissen, Patrick ULg

Conference (2011, March 24)

Detailed reference viewed: 30 (1 ULg)
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See detailDCD liver transplantation: is donor age an issue?
DETRY, Olivier ULg; le dinh, Hieu; Honoré, Pierre ULg et al

Conference (2011, March 24)

Detailed reference viewed: 16 (1 ULg)
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See detailL'infusion chronique et centrale d'ocytocine améliore la résistance à l'insuline induite par une nourriture riche en lipides chez le rat
Deblon, Nicolas; Veyrat-Durebex, Christelle; Legros, Jean-Jacques ULg et al

Conference (2011, March 23)

Detailed reference viewed: 32 (1 ULg)
See detailLes espaces publics au Maghreb. Éléments pour la construction d’un cadre sociohistorique d’analyse
Nachi, Mohamed ULg

Conference (2011, March 23)

La réflexion porte sur les différentes figures de l’espace public au Maghreb. L’hypothèse sous-jacente à cette réflexion est que l’espace public maghrébin est de fait pluriel et que ses différentes ... [more ▼]

La réflexion porte sur les différentes figures de l’espace public au Maghreb. L’hypothèse sous-jacente à cette réflexion est que l’espace public maghrébin est de fait pluriel et que ses différentes figures et composantes se déploient au travers des processus où s’imbriquent le culturel, le politique et le religieux et où les nouveaux médias et les nouvelles technologies jouent un rôle de plus en plus prépondérant. [less ▲]

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See detailRôle des acides aminés dans l'activité antagoniste d'Aureobasidium Pullulans vis-à-vis de la pourriture bleue des pommes en post-récolte
Krimi Bencheqroun, Sanae; Bajji, Mohammed; Laghilili, Mustapha et al

Conference (2011, March 23)

Aureobasidium pullulans (souche Ach1-1) a montré une grande efficacité vis-à-vis de Penicillium expansum agent de la pourriture bleue des pommes en conservation. Le présent travail a été réalisé dans le ... [more ▼]

Aureobasidium pullulans (souche Ach1-1) a montré une grande efficacité vis-à-vis de Penicillium expansum agent de la pourriture bleue des pommes en conservation. Le présent travail a été réalisé dans le cadre de l’analyse des mécanismes d’action qui sont les plus impliqués dans son activité antagoniste. Dans des essais in vivo sur pommes blessées, l’effet protecteur de la souche Ach1-1 vis-à-vis de P. expansum a été significativement affaibli par l’ajout dans les blessures de concentrations élevées en acides aminés. L’importance de la réduction étant dépendante de la concentration appliquée, a montré que la compétition pour les acides aminés joue un rôle important dans la suppression de P. expansum. Ce résultat a été appuyé par l’analyse biochimique de la cinétique de l’épuisement des acides aminés dans les blessures des pommes qui a dévoilé que ces composés et particulièrement la sérine, la glycine et l’acide glutamique sont mieux métabolisés par la souche antagoniste que par le pathogène. L’ajout en excès de ces trois acides aminés individuellement dans les blessures des pommes a fortement réduit l’efficacité de la souche Ach1-1 vis-à-vis de P. expansum. Ainsi, ces acides aminés semble être parmi les éléments les plus limitants dans le mécanisme de la compétition. Ces résultats indiquent que l’antagoniste A. pullulans souche Ach 1-1 exerce une activité fongistatique plus que fongicide vis-à-vis de P. expansum et agit par une compétition efficace pour les éléments nutritifs limitants des blessures des pommes et particulièrement les acides aminés sans affecter la viabilité du pathogène. [less ▲]

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See detailUn gestionnaire de projet : une des clés de la qualité en centre de santé intégré
Haulet, Christel; Vanmeerbeek, Marc ULg

Conference (2011, March 22)

Malgré la richesse et la vision collective que peut amener une équipe pluridisciplinaire, la pratique de médecine générale reste le plus souvent centrée sur les soins en réponse à une demande du patient ... [more ▼]

Malgré la richesse et la vision collective que peut amener une équipe pluridisciplinaire, la pratique de médecine générale reste le plus souvent centrée sur les soins en réponse à une demande du patient et relevant d’une dimension individuelle. Malgré une motivation importante, l’équipe du CSI de Tilleur a du constater que le manque de compétences internes et le manque chronique de temps des soignants limitaient fortement ses aspirations à faire évoluer le modèle de soins vers les objectifs de globalité de prise en charge et pour l’ensemble des patients. Il a été décidé d’internaliser les compétences jugées manquantes par l'engagement d'une personne non soignante, dont la fonction est de soutenir l’équipe pluridisciplinaire dans ses projets de soins, de santé communautaire et de promotion de la santé. L’apport méthodologique propre à la santé publique en fait le point d’ancrage entre la conception d’un projet et sa réalisation concrète dans la pratique quotidienne. Des modifications structurelles commencent à apparaître parmi les soignants et des exemples de prise en charge globale de certaines pathologies ou actions préventives sont observés. La promotion de la santé, tant au niveau individuel que collectif, trouve une nouvelle place au sein d’une équipe principalement dédiée aux soins. [less ▲]

Detailed reference viewed: 31 (7 ULg)
See detailThe Market Timing Skills of Hedge Funds during the Financial Crisis
Cavé, Arnaud; Hübner, Georges ULg; Sougné, Danielle ULg

Conference (2011, March 22)

Purpose -- The purpose of this paper is to gain a better understanding of the market timing skills displayed by hedge fund managers during the 2007-08 financial crisis. Design/methodology/approach -- The ... [more ▼]

Purpose -- The purpose of this paper is to gain a better understanding of the market timing skills displayed by hedge fund managers during the 2007-08 financial crisis. Design/methodology/approach -- The performance of a market timer can be measured through the Treynor and Mazuy (1966) model, provided the regression alpha is properly adjusted by using the cost of an option-based replicating portfolio, as shown by Hübner (2010). We adapt this approach to the case of multi-factor models with positive, negative or neutral betas. This new approach is applied on a sample of hedge funds whose managers are likely to exhibit market timing skills. We stick to funds that post weekly returns, and analyze three hedge funds strategies in particular: long-short equity, managed futures, and funds of hedge funds. We analyze a particular period during which the managers of these funds are likely to magnify their presumed skills, namely around the financial and banking crisis of 2008. Findings -- Some funds adopt a positive convexity as a response to the US market index, while others have a concave sensitivity to the returns of an emerging market index. Thus, we identify "positive", "mixed" and "negative" market timers. A number of signs indicate that only positive market timers manage to acquire options below their cost, and deliver economic significant performance, even in the midst of the financial crisis. Negative market timers, by contrast, behave as if they were forced to sell options without getting the associated premium. We interpret this behavior as a possible result of fire sales, leading them to liquidate positions under the pressure of redemption orders, and inducing negative performance adjusted for market timing. Research limitations/implications -- The adjustment for market timing opens up the way to numerous tests over longer periods, and in particular comparative studies of hedge fund returns using nonlinear risk factors versus exposures to quadratic returns. Originality/value -- The paper suggests that the convexity in returns that is generally associated with market timing can be attributed to three sources: timing skills, exposure to nonlinear risk factors, or liquidity pressures. We manage to identify the impact of the latter two effects in the context of hedge funds. [less ▲]

Detailed reference viewed: 19 (5 ULg)
See detailParticipation à une table ronde
Henneau, Marie-Elisabeth ULg

Conference (2011, March 21)

Detailed reference viewed: 16 (0 ULg)
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See detailL'informatisation par rétroconversion du FEW
Renders, Pascale ULg

Conference (2011, March 21)

Detailed reference viewed: 26 (3 ULg)
See detailNew insights in the toxicology and health status of marine marine mammals: Use of free-ranging harbour seals from the Wadden Sea
Das, Krishna ULg; Seibel, Henrike; Hasseilmeier, Ilka et al

Conference (2011, March 20)

Detailed reference viewed: 25 (3 ULg)
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See detailPremier bilan de 5 années de suivi migratoire à Ramecroix
Beckers, Arnaud ULg; Baron, André

Conference (2011, March 19)

Detailed reference viewed: 14 (3 ULg)
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See detailEt si on gérait autrement la lombalgie au travail
Mairiaux, Philippe ULg

Conference (2011, March 19)

Detailed reference viewed: 65 (11 ULg)
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See detailPluridisciplinarité : quelles attentes des professionnels de soins à domicile ?
Vanmeerbeek, Marc ULg

Conference (2011, March 19)

Les professionnels rencontrés dans cette enquête souhaitent : 1. Pouvoir se rencontrer : a) Pour se former, b) Pour se faire connaître des autres, c) Pour être reconnu par les autres ; 2. Des outils de ... [more ▼]

Les professionnels rencontrés dans cette enquête souhaitent : 1. Pouvoir se rencontrer : a) Pour se former, b) Pour se faire connaître des autres, c) Pour être reconnu par les autres ; 2. Des outils de communication : a) Données du patient, b) Échanges d’informations entre eux, c) Communication avec l’hôpital ; 3. Une adaptation de la politique en faveur de la 1e ligne. [less ▲]

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See detailNeonatal cirrhosis without iron overload: congenital alloimmune hepatitis
HARVENGT, Julie ULg; de HALLEUX, Virginie ULg; GUIDI, Ornella et al

Conference (2011, March 19)

Background. Fetal liver disease is a rare antenatal disorder for which etiology is frequently unknown. Recently, congenital alloimmune hepatitis emerged as a major cause of antenatal liver disease. Its ... [more ▼]

Background. Fetal liver disease is a rare antenatal disorder for which etiology is frequently unknown. Recently, congenital alloimmune hepatitis emerged as a major cause of antenatal liver disease. Its typical presentation can be as a severe neonatal liver failure with hepatic and extrahepatic iron overload, a clinical state called neonatal hemochromatosis. Methods. A pregnant woman was investigated for heterogeneous fetal hepatomegaly. Pregnancy was also complicated by fetal alloimmune thrombocytopenia. The newborn presented at birth with liver cirrhosis and mild liver dysfunction. Follow-up until 36 months showed progressive normalization of all liver parameters. All metabolic and infectious analyses were negative. Liver biopsy showed severe hepatitis with post-necrotic fibrosis and regenerative nodules. There was no iron overload. To search for immune injury, paraffine sections of the liver biopsy were stained with an antibody against the membrane attack complex (MAC, anti human c5b-9, Peter Whitington’s Lab, Children’s Memorial Hospital, Chicago, IL), the terminal complement cascade neoantigen occurring specifically in complement activation by the IgG-mediated classical pathway, and which is responsible for cell death. Results. Strong immunostaining against MAC-antigen was found in the liver of the patient, with 90% of target hepatocytes whereas in a control group of patients with other neonatal liver diseases, it was 10.8±12.5%. Because IgG in neonates originate only from the mother, it signs the alloimmune nature of the disease. Conclusion. For a long time, pathophysiology of neonatal hemochromatosis remained unsolved. Recently, it was elucidated as congenital alloimmune hepatitis. With this case, we expend the recognized clinical spectrum by showing that congenital alloimmune hepatitis can present as milder cases, without iron overload. It should be considered as a cause of unexplained neonatal liver disease, even in the absence of siderosis. Such diagnosis is of great importance regarding the necessity of immunotherapy in further pregnancies in order to avoid recurrence of alloimmune injury [less ▲]

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See detailThe alpha of a market timer
Hübner, Georges ULg

Conference (2011, March 18)

The Treynor and Mazuy framework is a widely used return-based model of market timing, but existing corrections of the regression intercept can be manipulated through derivatives trading. We propose an ... [more ▼]

The Treynor and Mazuy framework is a widely used return-based model of market timing, but existing corrections of the regression intercept can be manipulated through derivatives trading. We propose an adjustment based on Merton's option replication approach. The linear and quadratic coefficients of the regression are exploited to assess the cost of the replicating option that yields similar convexity for a passive portfolio. A similar reasoning applies for various timing patterns and in multi-factor models. Our empirical application shows that, unlike existing performance adjustment methods, the portfolio replication approach uncovers a positive link between the convexity and the performance of market timing funds. [less ▲]

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See detailEmbedding ‘‘Science and Society’’ within Nanotechnologies’ Development
Thoreau, François ULg

Conference (2011, March 18)

These slides introduce nanotechnology as a voluntarist public policy. It addresses the societal dimensions of such policies, that is its social, ethical and legal aspects. It then focuses on one ... [more ▼]

These slides introduce nanotechnology as a voluntarist public policy. It addresses the societal dimensions of such policies, that is its social, ethical and legal aspects. It then focuses on one particular research project which aims at integrating such concerns into practices of research and development. Then, it raises issues, questions and ambiguities as for the role of social scientists in such a process. [less ▲]

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See detailA Growth Model of Global Imbalances
Artige, Lionel ULg; Cavenaile, Laurent ULg

Conference (2011, March 18)

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See detailDie Entwicklung der Verfassungsgerichtsbarkeit in Belgien
Behrendt, Christian ULg

Conference (2011, March 18)

Exposé sur le fonctionnement et l'évolution de la justice constitutionnelle en Belgique, donné dans le cadre du work-shop fermé organisé par l'Institut Max-Planck de droit international public et de droit ... [more ▼]

Exposé sur le fonctionnement et l'évolution de la justice constitutionnelle en Belgique, donné dans le cadre du work-shop fermé organisé par l'Institut Max-Planck de droit international public et de droit public étranger à Heidelberg (Max-Planck-Institut für ausländisches öffentliches Recht und Völkerrecht) [less ▲]

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See detailRechtspersonen in de ban van het strafrecht. Tussen theorie en praktijk
Franssen, Vanessa ULg

Conference (2011, March 18)

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See detailLes vulnérabilités sociétales : facteurs de violence en milieu scolaire
Gavray, Claire ULg

Conference (2011, March 17)

L'exposition répétée à la vulnérabilité sociétale peut pousser certains jeunes à désinvestir l'école et à rechercher une limage de soi et des liens alternatifs.... Des écoles s'attaquent à ce problème en ... [more ▼]

L'exposition répétée à la vulnérabilité sociétale peut pousser certains jeunes à désinvestir l'école et à rechercher une limage de soi et des liens alternatifs.... Des écoles s'attaquent à ce problème en faisant le pari d'une école ouverte et plus démocratique.... [less ▲]

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See detailInterface mousse-liquide
Bronfort, Ariane ULg

Conference (2011, March 17)

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See detailScience as Politics? The IPCC as a political actor
Gemenne, François ULg

Conference (2011, March 17)

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See detailO insecabilis unitas. Considérations sur l’évolution de la théologie politique carolingienne sous le règne de Louis le Pieux.
Close, Florence ULg

Conference (2011, March 17)

Bien que plusieurs voix se soient déjà élevées pour dénoncer ce modèle, on oppose encore traditionnellement la théocratie royale puis impériale du règne de Charlemagne à la théocratie épiscopale du règne ... [more ▼]

Bien que plusieurs voix se soient déjà élevées pour dénoncer ce modèle, on oppose encore traditionnellement la théocratie royale puis impériale du règne de Charlemagne à la théocratie épiscopale du règne de Louis le Pieux. Cette communication se proposais de remonter à l’origine de cette théorie politique posant au fil de l'exposé la question de sa pertinence au regard de quelques récentes conclusions de la recherche en histoire religieuse et sociale. [less ▲]

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See detailInsectes et communication chimique - Techniques et méthodes en écologie chimique
Verheggen, François ULg

Conference (2011, March 17)

Les insectes communiquent avec leurs semblables et avec leur environnement par le biais de molécules organiques informatives nommées sémiochimiques. L'écologie chimique est la branche de l'écologie qui s ... [more ▼]

Les insectes communiquent avec leurs semblables et avec leur environnement par le biais de molécules organiques informatives nommées sémiochimiques. L'écologie chimique est la branche de l'écologie qui s'intéresse au décriptage de ce mode de communication, dont le maitre d'œuvre est le système olfactif des insectes, où antennes et sensilles supportent toute la machinerie physiologique nécessaire à la perception des phéromones et coactones. Pour comprendre le language chimique employé par un insecte, de nombreux outils ont été développés, permettant (1) l'échantillonnage des molécules organiques produites par un insecte, (2) la séparation, la quantification et l'identification des différents constituants du mélange phéromonal,(3) l'étude de la perception par le système olfactif de l'insecte et (4) l'étude du comportement d'un individu mis en présence d'un potentiel bouquet phéromonal ou de l'un de ses constituants. De nombreuses phéromones et coactones ont déjà trouvé le chemin de la valorisation dans le domaine de la protection des cultures. Bien que les insectes d'intérêt agronomique soient les plus largement étudiés, les sémiochimiques employés par d'autres groupes d'insectes font l'objet de nouvelles recherches, avec notamment l'émergence de l'entomologie criminelle [less ▲]

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See detail¿Estamos preparados para la ISO26000?
Parra Santamaria, Lusmiriam Andrea ULg

Conference (2011, March 17)

It is a presentation of what ISO26000 implies for the new international society and its differences with other RSC instruments.

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See detailSensitivity analysis of phase response curves
Sacré, Pierre ULg; Sepulchre, Rodolphe ULg

Conference (2011, March 16)

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See detailInsectes et communication chimique - Sémiochimiques et olfaction
Verheggen, François ULg

Conference (2011, March 15)

Les insectes communiquent avec leurs semblables et avec leur environnement par le biais de molécules organiques informatives nommées sémiochimiques. L'écologie chimique est la branche de l'écologie qui s ... [more ▼]

Les insectes communiquent avec leurs semblables et avec leur environnement par le biais de molécules organiques informatives nommées sémiochimiques. L'écologie chimique est la branche de l'écologie qui s'intéresse au décriptage de ce mode de communication, dont le maitre d'œuvre est le système olfactif des insectes, où antennes et sensilles supportent toute la machinerie physiologique nécessaire à la perception des phéromones et coactones. Pour comprendre le language chimique employé par un insecte, de nombreux outils ont été développés, permettant (1) l'échantillonnage des molécules organiques produites par un insecte, (2) la séparation, la quantification et l'identification des différents constituants du mélange phéromonal,(3) l'étude de la perception par le système olfactif de l'insecte et (4) l'étude du comportement d'un individu mis en présence d'un potentiel bouquet phéromonal ou de l'un de ses constituants. De nombreuses phéromones et coactones ont déjà trouvé le chemin de la valorisation dans le domaine de la protection des cultures. Bien que les insectes d'intérêt agronomique soient les plus largement étudiés, les sémiochimiques employés par d'autres groupes d'insectes font l'objet de nouvelles recherches, avec notamment l'émergence de l'entomologie criminelle [less ▲]

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See detailModélisation multiphysique du comportement au feu des colonnes en béton armé
Otmani-Benmehidi, Nadia; Guenfoud, Mohamed; Fellah, Farid et al

Conference (2011, March 15)

Cet article est consacré à la modélisation numérique non linéaire des colonnes en béton armé soumises à un incendie. Dans ce travail nous analysons des colonnes en béton armé chargées par des efforts de ... [more ▼]

Cet article est consacré à la modélisation numérique non linéaire des colonnes en béton armé soumises à un incendie. Dans ce travail nous analysons des colonnes en béton armé chargées par des efforts de compression excentrés et soumises à un feu normalisé. Du fait que les poteaux ont un rôle extrêmement important dans une construction, la vérification de leur résistance au feu dans les conditions d’incendie est cruciale. L’analyse se divise en deux étapes. Dans la première étape nous procédons à l’étude thermique des colonnes. Nous en déduisons les températures en fonction du temps que nous utilisons dans la deuxième étape pour l’étude mécanique. Lors de cette dernière nous obtenons les variations de différents paramètres tels que le moment fléchissant, les contraintes, les déplacements et le module tangent [less ▲]

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See detailSyndomes cardio-rénaux
Krzesinski, Jean-Marie ULg

Conference (2011, March 15)

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See detailExistence, justice et violence. Sartre 1957-1973
Cormann, Grégory ULg

Conference (2011, March 12)

Le problème de la violence résume pour ainsi dire l’œuvre de Jean-Paul Sartre. Il circonscrit souvent, en tout cas, les critiques qu’on lui adresse et, de façon fondamentale, la manière même dont on la ... [more ▼]

Le problème de la violence résume pour ainsi dire l’œuvre de Jean-Paul Sartre. Il circonscrit souvent, en tout cas, les critiques qu’on lui adresse et, de façon fondamentale, la manière même dont on la lit. L’objet de cette communication sera de reprendre ce problème chez le dernier Sartre, de 1957 à 1973, c’est-à-dire de Questions de méthode à L’Idiot de la famille, à partir d’une analyse serrée de certaines interventions de Sartre sur le terrain politique ou plutôt juridico-politique. Je m’appuierai en particulier sur trois sources : l’intervention de Sartre au procès Ben Saddok (1957), sa préface aux Maos en France (1970) et sa conférence « Justice et État » (1973). Je souhaite mettre en évidence le travail d’élucidation politique que Sartre déploie à cette époque dans le cadre judiciaire, qu’il s’agisse de justice d’État ou de justice populaire. Chez Sartre, ce travail d’élucidation est inséparablement philosophique et littéraire. Il passe ainsi, d’une part, par un usage spécifique de la phénoménologie, dont Sartre a donné le programme dans son Esquisse d’une théorie des émotions, en une référence explicite à l’ontologie fondamentale de Heidegger ; il passe, d’autre part, par une reprise critique (philosophique et politique) de certaines références littéraires, en particulier de Malraux et de Camus dans le premier texte cité. L’Idiot de la famille propose la synthèse de cet effort : de faire de l’émotion une méthode (et non pas simplement d’explorer méthodiquement les émotions) et d’imprimer une torsion politique à la pratique littéraire (et non pas simplement d’y renoncer). À cette double condition, il peut être utile aujourd’hui de chercher, dans la philosophie de Sartre, certains moyens d’une heuristique de la violence et certains outils d’intelligibilité de ce qui, en dernière analyse, renvoie à la question de la liberté, autrement dit encore aux déterminations les plus fondamentales du partage entre puissance et impuissance. [less ▲]

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