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See detailThe Hormones of Dark Souls: The Dark Tetrad and Violent Gaming Effects on Aggression, Cortisol and Testosterone Levels
Wagener, Gary; Felten, Andrea; Melzer, André UL

Scientific Conference (2021, May)

Although playing violent video games may lead to detrimental effects on cognition, emotion and behavior, the role of hormones and its interplay with personality characteristics is not well understood. An ... [more ▼]

Although playing violent video games may lead to detrimental effects on cognition, emotion and behavior, the role of hormones and its interplay with personality characteristics is not well understood. An experimental study tested how playing a violent versus non-violent video game affects cortisol and testosterone levels, whether these hormonal changes increase implicit aggressive cognition, and whether Dark Tetrad personality traits moderate these effects. In an experimental design, 54 male participants played either a violent or a non-violent video game. Participants provided salivary samples at the beginning of the experiment (T1), right after 25 minutes of gameplay (T2), and 20 minutes after that (T3). There were no significant effects on implicit aggressive cognition. However, participants in the violent game condition had a significant decrease in cortisol levels (T1 to T2) and a significant negative trend in cortisol levels from T1 to T3. Participants with higher Machiavellianism scores in the violent condition had a stronger decrease in cortisol (T1 to T2). In contrast, participants with higher Machiavellianism scores in the non-violent condition had a higher increase in cortisol (T1 to T2). The present findings illustrate the complex interplay between personality, hormones, and game content, thus specifying current notions on violent game effects. [less ▲]

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See detailSCHOOL FUTURES - using scenario approaches to inform transformation initiatives in the Luxembourg school system
König, Ariane UL; Raber, Bo Manuel UL; Drenth, Gerard et al

in ECA Journal (2021), (1), 194

Alternative, plausible, but challenging visions of the future – called scenarios – help us to explore the future today, to familiarise ourselves with a ‘systems thinking’ approach, and to strengthen our ... [more ▼]

Alternative, plausible, but challenging visions of the future – called scenarios – help us to explore the future today, to familiarise ourselves with a ‘systems thinking’ approach, and to strengthen our ability to address the uncertainties of tomorrow. This anticipation competency, that also includes a capacity for systemsthinking and making normative judgements, isparticularly important for younger generations still at school. In Luxembourg, the Education Scenarios Project served to develop a set of nationalscenarios for education, andthe sequel Schol Futures Project helped to leverage these scenarios in school development processes that engaged students as well as teachers in futureoriented systems thinking. Ariane König, Senior Research Scientist at the University of Luxembourg, Ciaran McGinley, Senior Associate at NormannPartners, Bo ManuelRaber of the University of Luxembourg, Francis Schartz, former president of the Luxembourg National Council for Sustainability, and Gerard Drenth, Senior Associate at Normann Partners, worked with in collaboration with diverse stakeholders in the Luxembourg education system, including with students and teachers from three different schools in Luxembourg. Below they share insights and experiences relating to the scenario approaches used. [less ▲]

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See detailThe impact of COVID-19 in the migration area (EMN OECD UMBRELLA INFORM)
Sommarribas, Adolfo UL; Sheridan, Anne

Report (2021)

The COVID-19 pandemic has created profound changes in all areas of migration and asylum. EU Member States and OECD countries have made many efforts to keep the pandemic under control, entailing impacts ... [more ▼]

The COVID-19 pandemic has created profound changes in all areas of migration and asylum. EU Member States and OECD countries have made many efforts to keep the pandemic under control, entailing impacts such as border closures, travel restrictions, and the need to introduce sanitary measures. Beginning with the pandemic’s impact on permits and entry conditions, the Inform reports on contingency measures to keep systems operational and to mitigate the impacts on migrants and citizens to the extent possible. For instance, the reduction of in-person immigration related services was largely replaced by electronic or postal communication to ensure continuity in processes. In EU Member States and Norway, the automatic extension of residence permits or the removal of the obligation to leave in some cases, were some of the measures taken to reduce the impact of COVID-19. Most EU Member States provided financial support for migrant workers affected by the pandemic, either due to unemployment or loss of income, and made COVID-19 related healthcare services available to all migrants. Although restrictions were imposed on the admission of migrants, continued admission was granted for jobs deemed essential to meet labour market needs, notably in areas of health, agriculture, and transport. New digital tools have been critical in providing asylum and migration services, although the Inform notes that it has also raised new challenges. In the area of asylum, for instance, providing effective and fair application and appeals processes has become more complicated by having remote interviews, and depends largely on the applicants’ ability to use and access electronic means. Both the requests for asylum and the number of returns carried out have reduced in 2020 as a result of the pandemic. The landscape also changed for international students, where in-person attendance was discouraged if not suspended altogether. Many students returned home, and in some cases, were able to continue their studies remotely, while processes to renew residence permits were moved online. The joint research shows that public authorities have acted swiftly to introduce new measures or adapt their systems to confront the migration challenges caused by the pandemic, or in some cases, to simply continue to use pre-existing on-line systems. While the long-term impacts are hard to predict, the last chapter of the inform looks towards future migration policies and how these might be shaped in the context of the digitalisation of migration management, the need for bio-secure borders, and the expansion of teleworking digital nomads. The European Asylum Support Office (EASO) and the European Border and Coast Guard Agency (FRONTEX) provided inputs to the publication. [less ▲]

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See detailThe impact of COVID-19 in the migration area in EU and OECD countries
Sommarribas, Adolfo UL; Sheridan, Anne

Scientific Conference (2021, April 30)

The European Migration Network (EMN) and the Organisation for Economic Co-operation and Development (OECD) have published updated information on the impact of COVID-19 in the migration area. The new ... [more ▼]

The European Migration Network (EMN) and the Organisation for Economic Co-operation and Development (OECD) have published updated information on the impact of COVID-19 in the migration area. The new Umbrella Inform completes the joint EMN and OECD Inform series between on the impact of COVID-19 on migration and asylum in the EU Member States and non-EU OECD countries throughout 2020. Updates include changes in border procedures, provision of COVID-19 related healthcare services to migrants, the shifting landscape of the labour market, international protection, international students, and return issues. [less ▲]

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See detailSub-genic intolerance, ClinVar, and the epilepsies: A whole-exome sequencing study of 29,165 individuals
Motelow, Joshua E.; Povysil, Gundula; Dhindsa, Ryan S. et al

in The American Journal of Human Genetics (2021)

Summary Both mild and severe epilepsies are influenced by variants in the same genes, yet an explanation for the resulting phenotypic variation is unknown. As part of the ongoing Epi25 Collaboration, we ... [more ▼]

Summary Both mild and severe epilepsies are influenced by variants in the same genes, yet an explanation for the resulting phenotypic variation is unknown. As part of the ongoing Epi25 Collaboration, we performed a whole-exome sequencing analysis of 13,487 epilepsy-affected individuals and 15,678 control individuals. While prior Epi25 studies focused on gene-based collapsing analyses, we asked how the pattern of variation within genes differs by epilepsy type. Specifically, we compared the genetic architectures of severe developmental and epileptic encephalopathies (DEEs) and two generally less severe epilepsies, genetic generalized epilepsy and non-acquired focal epilepsy (NAFE). Our gene-based rare variant collapsing analysis used geographic ancestry-based clustering that included broader ancestries than previously possible and revealed novel associations. Using the missense intolerance ratio (MTR), we found that variants in DEE-affected individuals are in significantly more intolerant genic sub-regions than those in NAFE-affected individuals. Only previously reported pathogenic variants absent in available genomic datasets showed a significant burden in epilepsy-affected individuals compared with control individuals, and the ultra-rare pathogenic variants associated with DEE were located in more intolerant genic sub-regions than variants associated with non-DEE epilepsies. MTR filtering improved the yield of ultra-rare pathogenic variants in affected individuals compared with control individuals. Finally, analysis of variants in genes without a disease association revealed a significant burden of loss-of-function variants in the genes most intolerant to such variation, indicating additional epilepsy-risk genes yet to be discovered. Taken together, our study suggests that genic and sub-genic intolerance are critical characteristics for interpreting the effects of variation in genes that influence epilepsy. [less ▲]

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See detailDetention and alternatives to detention in international protection and return procedures in Luxembourg
Sommarribas, Adolfo UL; Petry, Ralph UL; Nienaber, Birte UL

Report (2021)

The main objective of this study of the European Migration Network is to provide objective and reliable information about the usage of detention and alternatives to detention in international protection ... [more ▼]

The main objective of this study of the European Migration Network is to provide objective and reliable information about the usage of detention and alternatives to detention in international protection and return procedures in Luxembourg. Luxembourgish legislation, namely the amended Law of 29 August 2008 on Free Movement of Persons and Immigration (Immigration Law) and the Law of 18 December 2015 on International Protection and Temporary Protection (Asylum Law), foresees three alternatives to detention: - Alternative 1: Reporting obligations, which includes the obligation to surrender a passport, travel document or identity document; - Alternative 2: Home custody (+ electronic monitoring, if necessary); - Alternative 3: Deposition of a financial guarantee of 5.000€. In principle, the assessment between detention or alternatives to detention is made at the same time as when the grounds for detention are considered, as long as the Directorate of Immigration, as the responsible authority, has all the necessary information to decide if an alternative to detention can be ordered. Furthermore, the possibility to impose an alternative to detention is in principle systemically considered, as both relevant laws foresee that the detention decision is ordered in writing by the Minister on the basis of a case-by-case assessment, where necessary and if other less coercive measures cannot be effectively applied. Grounds for detention are generally rejected in favour of an alternative to detention if the person concerned falls within the category of vulnerable groups and if person is able to proof effective guarantees of representation to prevent the risk of absconding. This latter obligation on the third-country national to revert the legal presumption that there is a risk of absconding remains the main challenge because effective guarantees of representation are not defined by law. This is particularly challenging in the context of return procedures, where this legal presumption exists in nearly all cases where a third-country national has no valid identity, travel or residence documents. In the absence of such effective guarantees of representation, the Minister in charge of Immigration and Asylum generally does not make the decision to apply an alternative to detention. Consequently, the research in the context of this study has shown that alternatives to detention are only rarely used in Luxembourg, with the important exception of home custody in the Emergency Housing Structure of Kirchberg (‘Structure d’hébergement d’urgence Kirchberg’ – SHUK). The SHUK serves as a semi-open return facility for applicants for international protection and irregularly staying third-country nationals whose fingerprints have already been registered in Eurodac by another Member State and are therefore likely to be transferred to that Member State, in accordance with the Dublin III Regulation. A placement at the SHUK corresponds to home custody. The rare use of alternatives to detention also results in the fact that there is generally not much data available in this regard, with the important exception of home custody in the SHUK, which is more widely used. [less ▲]

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See detailCitizen Science - Ist das Wissenschaft?
Jaschik, Johanna Maria UL

Presentation (2021, April 29)

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See detailIntroduction to Research Data Management and Data Management Plans
England, Jonathan UL

Speeches/Talks (2021)

A one-hour webinar hosted by the University of Luxembourg library (Luxembourg Learning Centre) and the research office, introducing the general concepts of Research Data Management and Data Management ... [more ▼]

A one-hour webinar hosted by the University of Luxembourg library (Luxembourg Learning Centre) and the research office, introducing the general concepts of Research Data Management and Data Management Plans. The presentation highlights the definition of research data and its various types and formats, it explains the basics of what a Data Mangement Plan (DMP) is, and lists the best practices in data management for each of the sections of a DMP. The FAIR principles are then introduced, linking them to persistent identifiers, recommended repositories, best practices in documenting data and open licences, more specifically the Creative Commons licences. A few pointers on how to create the best DMP possible are also outlined. Both the PDF and the powerpoint presentation (pptx) are shared here for convinience. [less ▲]

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See detailLa grève de mars 1921 - entre mythe et utopie
Scuto, Denis UL

Article for general public (2021)

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See detailSoziale Kohäsion und Exklusion im luxemburgischen Wohnungswesen
Dujardin, Céline UL

Scientific Conference (2021, April 23)

Kontext und Problematik Im Großherzogtum Luxemburg ist die Nachfrage an bezahlbarem Wohnraum deutlich höher als das bestehende Angebot (Manet, 2017; Reuter, 2017). Für die finanziell benachteiligten ... [more ▼]

Kontext und Problematik Im Großherzogtum Luxemburg ist die Nachfrage an bezahlbarem Wohnraum deutlich höher als das bestehende Angebot (Manet, 2017; Reuter, 2017). Für die finanziell benachteiligten Haushalte stellen die Wohnkosten von ungefähr 40% des verfügbaren Budgets eine wesentliche und sehr hohe Ausgabe dar. Generell kann sogar eine Verschärfung des Armutsrisikos durch die Wohnkosten beobachtet werden (Ametepe, 2019). Die luxemburgische Bevölkerung setzt sich aus den folgenden Nationalitäten zusammen: 52,5% Luxemburger, wobei etwas mehr als eine Person von 10 eine doppelte Staatsangehörigkeit besitzt und 40,1% Nationalitäten aus den weiteren 27 EU-Mitgliedsstaaten, wobei 15,6% Portugiesen den größten Anteil darstellen (Klein & Peltier, 2019). Antworten und Herausforderungen der Sozialen Arbeit Der wahrscheinlich größte Anteil der Obdachlosenhilfe besteht europaweit aus niederschwelligen Dienstleistungen, die grundlegende Unterstützung außerhalb des Wohnungswesens bieten oder aus der Bereitstellung von Notfallunterkunft/vorübergehender Unterbringung. Im Gegensatz dazu sind Dienste, die obdachlosen Menschen sofort ein dauerhaftes Zuhause bieten, in den meisten Ländern nur bis zu einem gewissen Grad präsent (Pleace, Baptista, Benjaminsen & Busch-Geertsema, 2018). In Anlehnung an die bestehenden Vergleichsstudien des European Observatory on Homelessness sowie an die europäische Typologie für Wohnungslosigkeit ETHOS wird auch das entsprechende Handlungsfeld der Sozialen Arbeit in Luxemburg durchleuchtet. Anhand dieser Darstellung folgt eine Diskussion über die bestehenden Herausforderungen für Wissenschaft, Politik und Praxis. Diskussion und Ausblick Soziale Kohäsion wird gerne als Zielsetzung und Antwort auf die Problematiken des luxemburgischen Wohnungswesens aufgeführt. Nach Habermeier (2005) umfasst die soziale Kohäsion den Ist-Zustand des Zusammenhalts einer Gemeinschaft – von der Paarbeziehung bis zur Gesamtgesellschaft – und nicht seine Entstehung. Die soziale Kohäsion als Ziel hingegen ist ein Soll-Zustand, der mehrere Fragen aufwirft, z.B. ob soziale Kohäsion planbar ist oder sich verstärken lässt, ob sie immer ein theoretischer Idealtyp der Gesellschaft bleibt oder ob die Soziale Arbeit soziale Kohäsion unterstützen kann ohne ihre Klienten in ein Abhängigkeitsverhältnis zu setzen. Bibliographie Ametepe, F. (2019). Le logement, amplificateur des inégalités au Luxembourg. Regards, 18(8). Disponible sous : https://statistiques.public.lu/catalogue-publications/regards/2019/PDF-18-2019.pdf Habermeier, R. (2005). Soziale Kohäsion. Hitotsubashi Journal of Social Studies, 37(1), 1-17. Klein, C. & Peltier, F. (2019). 93% de la population luxembourgeoise sont des ressortissants de l’UE-28. Regards, 7(5). Disponible sous : https://statistiques.public.lu/catalogue-publications/regards/2019/PDF-07-2019.pdf Manet, B. (2017). Schlimmer als die Bewerbung für einen Job? Die Facebook-WG-colocation-à louer-Welt Luxemburgs. Forum für Politik, Gesellschaft und Kultur, 372, 31. Pleace, N., Baptista, I., Benjaminsen, L. & Busch-Geertsema, V. (2018). Homelessness Services in Europe. EOH Comparative Studies on Homelessness. Brussels: European Observatory on Homelessness. Reuter, J.-P. (2017). Wohnst du schon oder suchst du noch? Über Schwierigkeiten adäquat wohnen zu dürfen und den Versuch Lösungen zu finden. Forum für Politik, Gesellschaft und Kultur, 372, 24-26. [less ▲]

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See detailInvestigation of Mycelium-Miscanthus composites as building insulation material
Pereira Dias, Patrick; Jayasinghe, Laddu Bhagya; Waldmann, Daniele UL

in Results in Materials ELSEVIER (2021)

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See detailLuxembourg Diplomacy at Work
Danescu, Elena UL; Wurth, Hubert; Gomes Samuel, Manuel et al

Speeches/Talks (2021)

After the Second World War, Luxembourg became a leading player in international relations. As a founding member of most of the major international institutions – including the United Nations (1945), the ... [more ▼]

After the Second World War, Luxembourg became a leading player in international relations. As a founding member of most of the major international institutions – including the United Nations (1945), the North Atlantic Treaty Organisa-tion (1949), the Council of Europe (1949), the European Communities (starting with the European Coal and Steel Community in 1951) and then the European Union (1993) –, Luxembourg assumed a key role in European integration and multilateralism. Its constant aim has always been to maintain and strengthen the framework of international law as a basis for democracy, human rights and the values of freedom, peace and security worldwide. Luxembourg’s diplomatic apparatus serves the people of Luxembourg, the country’s institutions, the private sector and civil society by supporting and defending Luxembourg’s political, economic, business, cultural and consular interests abroad. [less ▲]

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See detailDisentangling encryption from the personalization debate: On the advisability of endorsing the “relativist approach” underpinning the identifiability criterion
Chiara, Pier Giorgio UL

in University of Vienna Law Review (2021), 4(2), 168-188

The great confusion about encryption, cornerstone concept of data security, may jeopardise a proper taxonomy in order to legally qualify data. Through a technical and legal literature review, this paper ... [more ▼]

The great confusion about encryption, cornerstone concept of data security, may jeopardise a proper taxonomy in order to legally qualify data. Through a technical and legal literature review, this paper firstly aims to shed the light on the nature of encryption. Having set the context, the study investigates whether and to what extent the so-called relativist understanding of Recital 26 GDPR is desirable. It considers the effort required to identify the data subject only by the data controller: in the context of cryptography, GDPR’s regime would be applicable if a data controller is able to decrypt a data set or, at least, has reasonable possibilities of doing so. The legal analysis, integrated with technical aspects, addresses the case of polymorphic encryption as an argument in favour of the relativist approach in the post-Breyer era: if cryptographic means have been strong enough so that identification is no longer reasonably likely, such data would be effectively non-personal data. The advisability of such outcome will be critically discussed in the light of recent business trends, where big corporations are increasingly investing in business models aiming at removing from the equation personal data. [less ▲]

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See detailPrison in Iran, a known unknown, By Nahid Rahimipour Anaraki
Blount, Kelly UL

in Crime, Law and Social Change (2021)

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See detailResults of the project TRANSLA
Aleksic, Gabrijela UL; Bebić-Crestany, Džoen Dominique UL

Scientific Conference (2021, April 21)

In this Conference, we presented the the results from the project TRANSLA, with the focus on the teachers. According to the results from the questionnaires that were administered before and after the ... [more ▼]

In this Conference, we presented the the results from the project TRANSLA, with the focus on the teachers. According to the results from the questionnaires that were administered before and after the professional development course in translanguaging pedagogy, there was a significant increase in teachers' positive attitudes towards multilingualism and the use of children's home languages, and a significant decrease of focus on Luxembourgish only, after the course. The focus groups before and after the course and the interviews after the course showed that there was a raise of awareness of the link between implementation of home languages and children's well-being, positive change in deficit perspective of children, and positive change in attitudes (however, for some still firm monolingual stance). Finally, the teachers shared that there was a positive change in their practice (however, for some too time-consuming). [less ▲]

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See detailLexicometric and Informational Measures in Political and Literary Corpora
Armaselu, Florentina UL

in Studii şi Cercetări Lingvistice (2021), 2(LXXI – 2020, iulie–decembrie (July - December)), 163-178

The paper presents a method for corpus-based informational analysis, using an open source platform for lexicometric processing and a spreadsheet application. This type of study may serve in illustrating ... [more ▼]

The paper presents a method for corpus-based informational analysis, using an open source platform for lexicometric processing and a spreadsheet application. This type of study may serve in illustrating the factors that influence informational measures such as entropy, energy and informativity, and in detecting certain structural or stylistic particularities of the analysed corpora. [less ▲]

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See detailJoint Radio Resource Management and Link Adaptation for Multicasting 802.11ax-based WLAN Systems
Ha, Vu Nguyen UL; Kaddoum, Georges; Poitau, Gwenael

in IEEE Transactions on Wireless Communications (2021)

Adopting OFDMA and MU-MIMO techniques for both downlink and uplink IEEE 802.11ax will help next-generation WLANs efficiently cope with large numbers of devices but will also raise some research challenges ... [more ▼]

Adopting OFDMA and MU-MIMO techniques for both downlink and uplink IEEE 802.11ax will help next-generation WLANs efficiently cope with large numbers of devices but will also raise some research challenges. One of these is how to optimize the channelization, resource allocation, beamforming design, and MCS selection jointly for IEEE 802.11ax-based WLANs. In this paper, this technical requirement is formulated as a mixed-integer non-linear programming problem maximizing the total system throughput for the WLANs consisting of unicast users with multicast groups. A novel two-stage solution approach is proposed to solve this challenging problem. The first stage aims to determine the precoding vectors under unit-power constraints. These temporary precoders help re-form the main problem into a joint power and radio resource allocation one. Then, two low-complexity algorithms are proposed to cope with the new problem in stage two. The first is developed based on the well-known compressed sensing method while the second seeks to optimize each of the optimizing variables alternatively until reaching converged outcomes. The outcomes corresponding to the two stages are then integrated to achieve the complete solution. Numerical results are provided to confirm the superior performance of the proposed algorithms over benchmarks. [less ▲]

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