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See detailThere is not nothing here. On emptiness in the city
Peleman, David UL

in Van Cauteren, Philippe; Swinnen, Peter (Eds.) Le Musée et son Double 2020-2030 (2020)

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See detailHier is niet niets. Over leegte in de stad
Peleman, David UL

in Swinnen, Peter; Van Cauteren, Philippe (Eds.) Le Musée et son Double. 2020/2030 (2020)

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See detailMedia use, attention, mental health and academic performance among 8 to 12 year old children
Cardoso-Leite, Pedro UL; Buchard, Albert; Tissieres, Isabel et al

E-print/Working paper (2020)

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See detailThe Structure of Behavioral Data
Defossez, Aurélien; Ansarinia, Morteza UL; Clocher, Brice UL et al

E-print/Working paper (2020)

For more than a century, scientists have been collecting behavioral data--an increasing fraction of which is now being publicly shared so other researchers can reuse them to replicate, integrate or extend ... [more ▼]

For more than a century, scientists have been collecting behavioral data--an increasing fraction of which is now being publicly shared so other researchers can reuse them to replicate, integrate or extend past results. Although behavioral data is fundamental to many scientific fields, there is currently no widely adopted standard for formatting, naming, organizing, describing or sharing such data. This lack of standardization is a major bottleneck for scientific progress. Not only does it prevent the effective reuse of data, it also affects how behavioral data in general are processed, as non-standard data calls for custom-made data analysis code and prevents the development of efficient tools. To address this problem, we develop the Behaverse Data Model (BDM), a standard for structuring behavioral data. Here we focus on major concepts in behavioral data, leaving further details and developments to the project's website (https://behaverse.github.io/data-model/). [less ▲]

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See detailSupersingular Isogeny-Based Designated Verifier Blind Signature
Sahu, Rajeev Anand UL; Gini, Agnese UL; Pal, Ankan

E-print/Working paper (2019)

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See detailTax Evasion and the Minimum Wage
Sándor, László UL

Speeches/Talks (2019)

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See detailLëtzebuerg op d’Weltkaart setzen – Kulturpolitik vum nation building zum Nation Branding
Spirinelli, Fabio UL

Conference given outside the academic context (2019)

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Peer Reviewed
See detailRoméo et Juliette de William Shakespeare à la Comédie-Française (2015-2016) : Quand une tragédie mythique devient une tragi-comédie
Deregnoncourt, Marine UL

in Shakespeare en devenir (2019), 14(2019),

How does the production of Romeo and Juliet designed and directed by Éric Ruf, the administrator of the Comédie-Française since 2014, figure out William Shakespeare’s tragedy in an unexpected way? And how ... [more ▼]

How does the production of Romeo and Juliet designed and directed by Éric Ruf, the administrator of the Comédie-Française since 2014, figure out William Shakespeare’s tragedy in an unexpected way? And how does it transform the tragedy into a tragi-comedy? These are questions that the following article tries to answer. The first and major part of the study focuses on Éric Ruf’s parti pris concerning the myth that Romeo and Juliet has become over time. What is the stage-director’s position vis-à-vis the Shakespearean text and what is the interpretation he shares with his audience? What is the gap between the original script – here in François-Victor Hugo’s translation – and the audio-visual adaptations of the play? Furthermore, how does Juliette (Suliane Brahim) seem to be the heroine of a family vendetta while Roméo (Jérémy Lopez) has more of the anti-hero? Finally how does Éric Ruf compose the mythic balcony scene and thwart the stereotypes about it? The last part of the article deals with the music partition that is omnipresent in the performance. How does it account for Éric Ruf’s dramaturgical vision and contribute to overturn the myth? [less ▲]

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See detailProfit taxation and royalties: evidence from gold mines in Sub-Saharan Africa
Bertinelli, Luisito UL; Bourgain, Arnaud UL; Zanaj, Skerdilajda UL

E-print/Working paper (2019)

In this paper, we analyze theoretically and empirically the effects of tax changes on firms’ profits in extractive industries. In the theoretical part, we assume a country that levies a profit tax and a ... [more ▼]

In this paper, we analyze theoretically and empirically the effects of tax changes on firms’ profits in extractive industries. In the theoretical part, we assume a country that levies a profit tax and a royalty on the profits of extractive firms to maximize its tax revenues. The mining companies may reduce their taxable income by cost manipulation. By analyzing the optimal choice of the government and of the firms, we first establish the optimal tax policy and then we investigate the impact of the optimal fiscal policy on firms’ profits. In the empirical part of the paper, we estimate the effect of the profit tax and royalty on the extracting firms’ profit in African countries during the period spanning from 2007 to 2018. We use the Mining Intelligence database to constitute a panel of annual individual data from a database of 363 gold mines located in 21 Sub-Saharan countries. We obtain an inverse relationship between the tax rate change of the two tax instruments and the profit of the firms. [less ▲]

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See detailRapport de suivi de l'éducation et de la formation 2019 et PISA 2018
Lenz, Thomas UL

Speeches/Talks (2019)

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See detailThe funding of the online press: from its origin to the temporary state subsidies.
Kies, Raphaël UL; Hamdi, Mohamed Amin UL

Report (2019)

Following the objectives of the Media Pluralism Monitor, this section aims to analyse to what extent the introduction of public funding dedicated to the online journalism contributes to reinforce the ... [more ▼]

Following the objectives of the Media Pluralism Monitor, this section aims to analyse to what extent the introduction of public funding dedicated to the online journalism contributes to reinforce the independence, plurality and the quality of the journalistic offer in the country. We will first provide an overview of the issues online media face in Luxembourg before dealing more in detail withthe new national regulation on online media funding. Specifically, we will analyse how it differs from the existing public subsidies for the print media and to what extend online media have benefited from these fundings. This analysis should allow us to evaluate whether the introduction of the subsidies for online journalism positively affects the media concentration, the linguistic and ideological plurality and whether it contributes to improving the quality of the media production. [less ▲]

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See detailDerivation of an exact, nonequilibrium framework for nucleation: Nucleation is a priori neither diffusive nor Markovian
Kuhnhold, Anja; Meyer, Hugues UL; Amati, Graziano et al

in Physical Review. E. (2019), 100(5), 052140

We discuss the structure of the equation of motion that governs nucleation processes at first order phase transitions. From the underlying microscopic dynamics of a nucleating system, we derive by means ... [more ▼]

We discuss the structure of the equation of motion that governs nucleation processes at first order phase transitions. From the underlying microscopic dynamics of a nucleating system, we derive by means of a nonequilibrium projection operator formalism the equation of motion for the size distribution of the nuclei. The equation is exact, ie, the derivation does not contain approximations. To assess the impact of memory, we express the equation of motion in a form that allows for direct comparison to the Markovian limit. As a numerical test, we have simulated crystal nucleation from a supersaturated melt of particles interacting via a Lennard-Jones potential. The simulation data show effects of non-Markovian dynamics. [less ▲]

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See detailWillibrord comme saint; Aspects de la constitution de son image hagiographique au haut Moyen Âge
Pettiau, Hérold UL

Conference given outside the academic context (2019)

This communication was given in the context of the launch of a new book of saint Willibrord, archbishop of Utrecht and fouder of the abbey of Echternach (obit 739). This book, édite by the Luxembourg ... [more ▼]

This communication was given in the context of the launch of a new book of saint Willibrord, archbishop of Utrecht and fouder of the abbey of Echternach (obit 739). This book, édite by the Luxembourg School of Religion and Society, is a comic strip, purporting to relate the life and career of Willibrord. The him of my presentation was to provide a lay audience with informations about the nature of the main narrative sources on Willibrord, i.e. hagiographical sources, and about what we know of their authors' agenda. These sources (extracts from Bede's Historia ecclesiastical written ca. 730 and the Life of Willibrord by Alcuin, written ca. 795) have been extremely influential in shaping the perception we have of the saint. The text of this contribution will be developped into an online publication. [less ▲]

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See detailA note on a quantization via the Ran space
Kalugin, Alexey UL

E-print/Working paper (2019)

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See detailMono-static Automotive Joint Radar-Communications System
Dokhanchi, Sayed Hossein UL; Ottersten, Björn UL

Scientific Conference (2019, November 21)

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See detailThe influence of socio-economic status on the risk of being overweight or underweight in adolescents in Luxembourg
Residori, Caroline UL

Doctoral thesis (2019)

Factors indicating risks for future health and processes pertaining to the development of illnesses have come into the focus of social research. Ecological human development models and life course ... [more ▼]

Factors indicating risks for future health and processes pertaining to the development of illnesses have come into the focus of social research. Ecological human development models and life course approaches to illness and health provide a theoretical understanding of the fundamental causes of ill health and the different spheres, which influence health. The sociological understanding of the stratification of society by (socio-economic) status constitutes the theoretical backdrop for understanding uneven distributions of health resources and health strains. Socio-economic health inequalities are observed in many countries including very wealthy countries such as Luxembourg. Social-psychological perspectives on processes of social cognition and social comparison in combination with theories on collective health lifestyles and beliefs highlight the processes through which social stratification is embodied into health inequalities, even in wealthy contexts. The theoretical model of the pathways through which socio-economic status influences health that underlies this thesis draws on all of the aforementioned disciplinary perspectives. Differentiating between objective and subjective conceptions of socio-economic status seems particularly important in wealthy contexts and is therefore also part of the theoretical model that underlies this thesis. As foundations for adult health and illness are laid during childhood and youth, socio-economic inequalities during these life phases can be all the more consequential and it is crucial to investigate and understand them thoroughly. While results on socio-economic health inequalities from empirical studies for childhood and adulthood are consistent across different health domains, results for adolescence are less consistent and vary for different health domains, different conceptions of socio-economic status and different national and regional contexts. Considering the lack of studies and literature on socio-economic health inequalities among adolescents in Luxembourg and using overweight and underweight as examples, this thesis empirically investigates socio-economic health inequalities among adolescents in Luxembourg. The 5 research questions of this thesis focus on the prevalence of overweight and underweight, the influence of socio-economic status on them, the distinct influences of objective and subjective socio-economic status on overweight and underweight, the influence of socio-economic status on additional weight-related health concerns and the relations between health relevant factors and socio-economic status. The method used for the empirical investigation is a statistical analysis of data collected in Luxembourg in the context of the Health Behaviour in School-Aged Children (HBSC) study between 2006 and 2014. Descriptive statistical analyses are used for the presentation of the epidemiology of overweight and underweight, while logistic regression and hierarchical logistic regression are used for the analysis of the influence of socio-economic status on overweight, underweight, weight-related health concerns and health relevant factors. The results of the statistical analysis and their interpretation reveal that overweight and underweight are equally crucial health concerns as both affects around 14% of adolescents in Luxembourg. An inverse relation between socio-economic status and overweight and underweight is observed. An increase in socio-economic status is on one hand associated with a decrease in the risk of being overweight, but on the other hand, it is associated with an increase in the risk of being underweight. The influences of objective and subjective socio-economic status on overweight and three health relevant factors are confirmed to be distinct and independent from each other. The differentiation between objective and subjective socio-economic status is thus relevant for health inequalities among adolescents in Luxembourg. The relations between socio-economic status and the weight-related health concerns body image and weight reduction behaviour are opposite in direction when the effects of overweight and underweight are held constant in the models. Although an increase in socio-economic status is associated with a decrease in the risk of having a negative body image, it is also associated with an increase in the risk of engaging in weight reduction behaviour among adolescents in Luxembourg. One psycho-social and five behavioural health relevant factors are related to overweight and these relations tie in with the theoretical model. The statistical relations observed between health relevant factors and underweight are more complex and need further empirical and theoretical investigation. Based on the discussed results, this thesis concludes that the theoretical model aids the understanding of health inequalities among adolescents in Luxembourg, but applies differently to different health concerns and needs to take potential inverse effects of socio-economic status into account. This thesis contributes to the scientific knowledge through the identification of underweight as an important health concern among adolescents in wealthy countries and through the confirmation of the relevance of the differentiation between objective and subjective socio-economic status for health inequalities in adolescents. The implications of the results for policy and prevention should be an increased awareness of the need to target prevention programmes to specific risk groups and the need to take the risk of underweight into account by shifting the focus from the prevention of overweight to the encouragement of heathy behaviour. [less ▲]

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See detailDynamische Mathematik mit GeoGebra – Evaluation
Kreis, Yves UL

Speeches/Talks (2019)

Die Bildungsstandards Mathematik für die Klassen begünstigen einen entdeckenden, problemorientierten Unterricht. Dynamische Mathematiksysteme (DMS) wie GeoGebra erlauben den Schülern/-innen, sich mit ... [more ▼]

Die Bildungsstandards Mathematik für die Klassen begünstigen einen entdeckenden, problemorientierten Unterricht. Dynamische Mathematiksysteme (DMS) wie GeoGebra erlauben den Schülern/-innen, sich mit Fragestellungen auseinanderzusetzen und Hypothesen aufzustellen. Damit die Lehrer/-innen hierbei möglichst entlastet sind und sich den Fragen einiger Schüler/-innen widmen können, ist es von Vorteil, digitale Arbeitsblätter zu nutzen, die eine (Auto-)Evaluation erlauben. [less ▲]

Detailed reference viewed: 25 (1 UL)