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See detailImmunities of Heads of State and State Officials for International Crimes
Pichou, Maria UL

Presentation (2017, May 08)

This project explores the issue of immunities of Heads of State and State officials for international crimes before international courts and international criminal tribunals and courts. My presentation ... [more ▼]

This project explores the issue of immunities of Heads of State and State officials for international crimes before international courts and international criminal tribunals and courts. My presentation begins with the Rome Statute provisions and the International Criminal Court’s case law on the issue; it then turns to the jurisprudence of the international criminal tribunals and specialised, internationalised, hybrid courts, in an attempt to provide a concise but as far as possible comprehensive analysis; it proceeds with an analysis under public international law and the International Court of Justice (hereinafter ‘ICJ’) case law. As the question of immunities is currently under review at the International Law Commission (hereinafter ‘ILC’), an analysis of the ILC Reports thus far is included. Finally, the project will address the question of how national courts and national law have dealt with Article 27 of the Rome Statute [less ▲]

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See detailAlgorithmic Decision Theory for solving complex decision problems
Bisdorff, Raymond UL

Presentation (2017, May 03)

Today's decision makers in fields ranging from engineering to psychology, from medicine to economics and/or homeland security are faced with remarkable new technologies, huge amounts of information to ... [more ▼]

Today's decision makers in fields ranging from engineering to psychology, from medicine to economics and/or homeland security are faced with remarkable new technologies, huge amounts of information to help them in reaching good decisions, and the ability to share information at unprecedented speeds and quantities. These tools and resources should lead to better decisions. Yet, the tools bring with them daunting new problems: the massive amounts of data available are often incomplete, unreliable and/or distributed and there is great uncertainty in them; interoperating/distributed decision makers and decision making devices need to be coordinated; many sources of data need to be fused into a good decision; information sharing under new cooperation/competition arrangements raises security problems. When faced with such issues, there are few highly efficient algorithms available to support decision makers. The objective of Algorithmic Decision Theory (ADT) is to improve the ability of decision makers to perform well when facing these new challenges and problems through the use of methods from theoretical computer science, in particular algorithmic methods. The primary goal of ADT is hence to explore and develop algorithmic approaches for solving decision problems arising in a variety of applications areas. Examples include, but are not limited to: - Computational tractability/intractability of social consensus and multiple criteria compromise functions; - Improvement of decision support and recommender systems; - Development of automatic decision devices including on-line decision procedures; - Robust decision making; - Learning for multi-agent systems and other on-line decision devices. This presentation will focus more specifically on multiple criteria decision aiding methodology, the actual research field of the author. [less ▲]

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See detailSur les représentations galoisiennes des formes modulaires de Hilbert de poids un en caractéristique p
Wiese, Gabor UL

Presentation (2017, April 11)

Dans cet exposé, je vais donner les idées principales de mon travail avec Mladen Dimitrov dans lequel nous démontrons que la représentation galoisienne associée à toute forme modulaire de Hilbert de poids ... [more ▼]

Dans cet exposé, je vais donner les idées principales de mon travail avec Mladen Dimitrov dans lequel nous démontrons que la représentation galoisienne associée à toute forme modulaire de Hilbert de poids un en caractéristique p et de niveau premier à p est non-ramifiée en p. Ce résultat s'applique notamment à des formes qui ne se relèvent pas en caractéristique zéro, et peut être vu comme la précision d'un aspect du poids dans la généralisation de la conjecture de modularité de Serre aux formes de Hilbert. [less ▲]

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See detailBusiness and Human Rights: Where now?
Baglayan Ceyhan, Basak UL

Presentation (2017, April)

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See detailEchos d'Eco
Freyermuth, Sylvie UL

Presentation (2017, March 20)

Nul n’ignore la grande érudition d’Umberto Eco ni sa curiosité ouvrant son esprit aux plus vastes horizons. C’est pour cette raison que je me suis intéressée aux jeux d’échos qui résonnent dans son œuvre ... [more ▼]

Nul n’ignore la grande érudition d’Umberto Eco ni sa curiosité ouvrant son esprit aux plus vastes horizons. C’est pour cette raison que je me suis intéressée aux jeux d’échos qui résonnent dans son œuvre, tout comme à ceux qui peuplent les créations artistiques qui lui rendent hommage. Qu’il s’agisse de littérature, de cinéma, de linguistique, entre autres domaines, les champs qu’explore Eco se construisent en réseaux qui montrent quel prix il a attaché aux œuvres ouvertes. Ce constat me permettra d’organiser ma conférence-projection autour de la question de l’intertextualité (au sens large), en prenant l’exemple du roman Le Nom de la rose, afin de nous diriger en amont vers les Fictions de Borges et en aval vers l’adaptation cinématographique de ce « polar » médiéval qu’a réalisée Annaud. [less ▲]

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See detailValidating PISA 2015 Collaborative Problem Solving: Report
Schweitzer, Nick UL; Herborn, Katharina UL; Mustafic, Maida UL et al

Presentation (2017, March 01)

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See detailMagnetic SANS beyond the particle-matrix concept
Michels, Andreas UL

Presentation (2017, February 21)

Detailed reference viewed: 12 (1 UL)
See detailOn Partial-Sum Processes of ARMAX Residuals
Gronneberg; Holcblat, Benjamin UL

Presentation (2017, February 11)

In time series analysis and other setups, numerous inference procedures need to use residuals, instead of the unobserved errors. In the present paper, we establish general and versatile results regarding ... [more ▼]

In time series analysis and other setups, numerous inference procedures need to use residuals, instead of the unobserved errors. In the present paper, we establish general and versatile results regarding the limit of partial-sum processes of ARMAX residuals. Process limits based on residuals often do not correspond to process limits based on the error terms. To illustrate the generality and versatility of our results, we apply them to misspecified ARMA with correlated errors, nonlinear ARMAX, a range of ARMA processes with infinite-variance errors, ARMA with a unit root and a polynomial time-trend, or with seasonal dummy variables to obtain consistency of kernel estimation of the density of ARMAX errors, the asymptotic distribution of statistics useful for CUSUM tests and change-point problem type of tests, and some local power results. [less ▲]

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See detailUncertainty Quantification - Sensitivity Analysis / Biomechanics
Hauseux, Paul UL; Hale, Jack UL; Bordas, Stéphane UL

Presentation (2017, February)

Detailed reference viewed: 15 (2 UL)
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See detailImages of Galois representations with values in mod p Hecke algebras
Amoros Carafi, Laia UL

Presentation (2017, January 24)

I will explain how one can construct Galois representations that take values in local mod $p$ Hecke $\mathbb{F}_q$-algebras. I will then show how one can compute explicitly the image of such a Galois ... [more ▼]

I will explain how one can construct Galois representations that take values in local mod $p$ Hecke $\mathbb{F}_q$-algebras. I will then show how one can compute explicitly the image of such a Galois representation assuming that the corresponding residual representation has big image. Finally I will show some computations of these images in concrete examples. [less ▲]

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See detailSur les représentations galoisiennes des formes modulaires de Hilbert de poids un en caractéristique p
Wiese, Gabor UL

Presentation (2017, January 19)

Dans cet exposé, je vais donner les idées principales de mon travail avec Mladen Dimitrov dans lequel nous démontrons que la représentation galoisienne associée à toute forme modulaire de Hilbert de poids ... [more ▼]

Dans cet exposé, je vais donner les idées principales de mon travail avec Mladen Dimitrov dans lequel nous démontrons que la représentation galoisienne associée à toute forme modulaire de Hilbert de poids un en caractéristique p et de niveau premier à p est non-ramifiée en p. Ce résultat s'applique notamment à des formes qui ne se relèvent pas en caractéristique zéro, et peut être vu comme la précision d'un aspect du poids dans la généralisation de la conjecture de modularité de Serre aux formes de Hilbert. [less ▲]

Detailed reference viewed: 12 (0 UL)
See detailBorder Studies: Orientierungen und Entwicklungen
Wille, Christian UL

Presentation (2017, January)

Detailed reference viewed: 34 (4 UL)
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See detail"Umberto Eco, un lettré populaire"
Roelens, Nathalie UL

Presentation (2017)

Detailed reference viewed: 5 (0 UL)
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See detailLa fine dell'incoatività
Roelens, Nathalie UL

Presentation (2017)

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See detail"Images de Lisbonne : Quignard, Tabucchi"
Roelens, Nathalie UL

Presentation (2017)

Detailed reference viewed: 5 (0 UL)
See detailThe practice of artifactual design in entrepreneuring
Fletcher, Denise Elaine UL

Presentation (2017)

In this presentation we consider the implications of conceptualizing entrepreneurial as the practice of artifactual design. The concept of design draws attention to the interdependence of agency and ... [more ▼]

In this presentation we consider the implications of conceptualizing entrepreneurial as the practice of artifactual design. The concept of design draws attention to the interdependence of agency and material artifacts in the entrepreneur's ability to overcome (or not) the constraints of embodied practice and the contingent environment. We develop a conceptual understanding of how the entrepreneur extends the spatio temporal reach of entrepreneurial agency by embedding entrepreneurial purpose in various artifactual forms - forms which then contextualist subsequent activity. In this process also, the future is created as multiple actors create, enact, test, modify, transform and implement these artifactual forms through embodied practice. [less ▲]

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See detailAu-delà du narcissisme et de l'exotisme
Roelens, Nathalie UL

Presentation (2017)

Detailed reference viewed: 13 (1 UL)
See detailIl nuovo pilastro europeo per i diritti sociali: insidie e opportunità
Ratti, Luca UL

Presentation (2016, December 20)

Detailed reference viewed: 16 (0 UL)
See detailOn horizontal and vertical categorifications of Leibniz algebras
Poncin, Norbert UL

Presentation (2016, December 16)

Detailed reference viewed: 13 (1 UL)
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See detailDiscrete Pompeiu problem on the plain
Kiss, Gergely UL

Presentation (2016, December)

Detailed reference viewed: 12 (2 UL)
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See detailNumerical methods for fracture/cutting of heterogeneous materials
Sutula, Danas UL; Agathos, Konstantinos UL; Ziaei Rad, Vahid UL et al

Presentation (2016, December)

Detailed reference viewed: 84 (10 UL)
See detailModelling urban structure and exposure to traffic-induced air pollution
Schindler, Mirjam UL

Presentation (2016, November 30)

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See detailFrom modular curves to Shimura curves: a p-adic approach
Amoros Carafi, Laia UL

Presentation (2016, November 24)

Shimura curves arise as a natural generalisation of elliptic curves. As modular curves, they are constructed as Riemann surfaces, and they turn out to have structure of algebraic curve, i.e. they can be ... [more ▼]

Shimura curves arise as a natural generalisation of elliptic curves. As modular curves, they are constructed as Riemann surfaces, and they turn out to have structure of algebraic curve, i.e. they can be described by some algebraic equations with coefficients in some finite extension of Q. Number theorists are interested in the reductions modulo p of these equations. The problem is that these equations are very difficult to compute. I will describe a method to find these reductions without actually knowing the equation. [less ▲]

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See detailthe seven golden rules to introduce citizens' consultation at the EU level: reforming your voice in Europe
Kies, Raphaël UL

Presentation (2016, November 17)

In this paper, I would like to draw some lessons from the failed attempts of democratization of the EU by proposing some rules that should be followed in order to envision a realistic deliberative and ... [more ▼]

In this paper, I would like to draw some lessons from the failed attempts of democratization of the EU by proposing some rules that should be followed in order to envision a realistic deliberative and inclusive transformation of the EU-decision making process. By following their spirits, I will propose an ambitious renovation of Your Voice in Europe, the only EU public institutionalized system of consultation that however most of the citizens are not aware of. [less ▲]

Detailed reference viewed: 82 (5 UL)
See detailA multimodal conversation analytic approach to investigate a joint problem solving task.
Arend, Béatrice UL

Presentation (2016, November 15)

In our paper, we will demonstrate how a multimodal conversation analytic approach can shed light on the complex phenomenon of joint problem solving in a Mathematics classroom. Through a fine-grained video ... [more ▼]

In our paper, we will demonstrate how a multimodal conversation analytic approach can shed light on the complex phenomenon of joint problem solving in a Mathematics classroom. Through a fine-grained video based single case analysis (Mondada, 2013; Arend et al., 2014), we will show how three children collaboratively solve mathematical problems by mobilizing various resources. They address each other by talking, gazing, gesturing, changing body position as well as by manipulating artefacts. Multimodal conversation analysis allows us to investigate the ongoing organisation of the children’s problem solving activity in its temporal and sequential unfolding as well as to study the multimodally embodied multiparty utterances in their mutual responsiveness (Streeck et al, 2011). Favouring an interactional approach interested in the coordinated achievement of activity (Arend & Sunnen, 2016), we consider that the progress and the outcome of the problem solving activity emerge in situ from the children’s interactions. By relying on multimodal CA, we may point out how the children achieve mutual understanding while accomplishing a task in a Mathematics lesson. Our paper seeks to make a contribution to investigate group-based classroom activities (Mercer et al, 2004) as well as to sensitise teachers to the high complexity of mutually accomplished classroom tasks. Arend, B., Sunnen, P. (2016). Dialogic Classroom Talk - Rethinking ‘Messy’ Classroom Interaction. Proceedings of the 10th EAPRIL (European Association for Practitioner Research on Improving Learning in Education and Professional Practice) conference, 424-434. Arend, B., Sunnen, P., Fixmer, P., Sujbert, M. (2014). Perspectives do matter – Expanding Multimodal Interaction Analysis with Joint Screen. Classroom Discourse, Special Issue Multimodality, 5(1), 38-50. Mondada, L. (2013). The conversation Analytic Approach to Data Collection. In J. Sidnell, & T. Stivers (eds.), The Handbook of Conversation Analysis (32-56). Oxford: Wiley Blackwell. Mercer, N., Dawes, R., Wegerif, R., Sams, C. (2004). Reasoning as a scientist: ways of helping children to use language to learn science. British Educational Research Journal, 30, (3), 367-385. Streeck, J., Goodwin, C. & LeBaron, C. (eds.) (2011). Embodied Interaction, Language and Body in the Material World. Cambridge: Cambridge University Press. [less ▲]

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See detailGrenze als soziale Praxis. Überlegungen zum Potential der Praxistheorien für die kulturwissenschaftlichen Border Studies
Wille, Christian UL

Presentation (2016, November 03)

Die wissenschaftliche Beschäftigung mit Grenzen hat Konjunktur. Dies hat nicht nur zahllose empirische Fallstudien zur Folge, ebenso eine dynamische Entwicklung von Konzepten und Denkmodellen, die Grenz ... [more ▼]

Die wissenschaftliche Beschäftigung mit Grenzen hat Konjunktur. Dies hat nicht nur zahllose empirische Fallstudien zur Folge, ebenso eine dynamische Entwicklung von Konzepten und Denkmodellen, die Grenz(raum)phänomene umfassend erfassen sollen. Dabei zu beobachten ist, dass bewährte Prinzipien der kulturwissenschaftlich orientierten Border Studies oft lediglich neu benannt werden und tatsächliche Innovationen noch ausstehen. In dem Vortrag wird daher der Versuch unternommen, die Praxistheorien aus einer Border-Perspektive zu erschließen und ihr Potential für die kulturwissenschaftliche Grenz(raum)forschung zu diskutieren. Die Praxistheorien, wie sie seit über einem Jahrzehnt in der Kultursoziologie intensiv debattiert werden, erlauben Grenzen in ihren sozialen (Re-)Produktionsprozessen in unterschiedlichen Dimensionen zu untersuchen. Als heuristische Werkzeuge berücksichtigen sie die körperlich-materiale Dimension menschlicher Aktivität und setzen keinen kollektiv geteilten oder territorial determinierten Konsens der Sinndeutung voraus. Vielmehr sehen sie die Unberechenbarkeit des Sozialen vor und interessieren sich für Praxislogiken, d.h. für die in (grenzüberschreitenden) Aktivitäten wirksamen und zugleich hervorgebrachten Wissensordnungen. Weiter bietet die Verdichtung von sozialen Praktiken zu (grenzüberschreitenden) Praxisformationen einen vielversprechenden Ansatzpunkt, um Konzepte wie ‚Grenzlandgesellschaft’ oder ‚Diaspora’ sowohl konzeptionell als auch empirisch ‚anders’ zu fassen. Die im Vortrag vorgestellten Überlegungen bilden die erste Annäherung an eine mögliche praxistheoretische Reformulierung der kulturwissenschaftlich orientierten Border Studies. [less ▲]

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See detailCohomologically enriched categories and DQ-modules
Petit, François UL

Presentation (2016, November)

Detailed reference viewed: 11 (1 UL)
See detailOnline Assessment SYStem OASYS
Ugen, Sonja UL; Fischbach, Antoine UL

Presentation (2016, November)

Detailed reference viewed: 15 (2 UL)
See detailLänderbericht Luxemburg
Ugen, Sonja UL; Fischbach, Antoine UL

Presentation (2016, November)

Detailed reference viewed: 28 (3 UL)
See detailReprésentations et interprétations du mal dans la fiction littéraire
Freyermuth, Sylvie UL

Presentation (2016, October 26)

Detailed reference viewed: 19 (1 UL)
See detailJudicial Deference in International Adjudication
Fahner, Johannes Hendrik UL

Presentation (2016, October 26)

Detailed reference viewed: 21 (2 UL)
See detailAnalysis of protein druggability in the alpha-synuclein regulatory network
Glaab, Enrico UL

Presentation (2016, October 07)

Detailed reference viewed: 14 (1 UL)
See detailAntikenrezeption als interkulturelles Phänomen
Wiegmann, Eva UL

Presentation (2016, October 05)

Eine häufig sehr enge Verflechtung der Interkulturalitätsforschung mit dem Globalisierungsdiskurs hat dazu geführt, dass komplexe interkulturelle Phänomene, die keinen konkreten Bezug dazu haben, kaum ... [more ▼]

Eine häufig sehr enge Verflechtung der Interkulturalitätsforschung mit dem Globalisierungsdiskurs hat dazu geführt, dass komplexe interkulturelle Phänomene, die keinen konkreten Bezug dazu haben, kaum Beachtung finden. Dieser Vortrag soll sich interkulturellen Erscheinungsmustern widmen, die sich vor allem im literarischen Feld zeigen und die in einem lebensweltlich-gegenwartszentrierten Raster nicht erfasst werden und für die andere Beschreibungsmodelle gefunden werden müssen. Im Fokus dieses Vortrags soll der Bereich der literarischen Antiken-Rezeption stehen, die mit der Romantik nicht mehr eindeutig als Fortschreibung einer Traditionslinie und „epigonale[ ] Bewahrung der tradierten Muster“ (Riedel) gesehen werden kann. Vielmehr setzt hier – bspw. bei Friedrich Schlegel – eine Distanzierung ein, die Hellas und Rom zu einem Anderen und damit deren literarische Repräsentation für interkulturelle Fragestellungen interessant macht. Besondere Beachtung verdient der Bereich auch deshalb, weil Bezugnahmen auf die griechisch-römische Antike grundsätzlich im intermediären Bereich von Eigenem und Fremdem zu verorten sind und damit in spezifischer Art und Weise als interkulturelles Phänomen gelten können. Überlegungen zur Beschreibung der Antiken-Rezeption als komplexem interkulturellen Phänomen sollen vor allem anhand von Texten aus der Zeit um 1800 angestellt werden. [less ▲]

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See detailIntroduction to Analytical Strategies for Experimental Data
Samuel, Robin UL

Presentation (2016, September 21)

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See detailReforming France's Law of obligations
Ancel, Pascal UL

Presentation (2016, September 20)

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See detailDeterminants of Academic Self-Concept
Niepel, Christoph UL

Presentation (2016, September 13)

Detailed reference viewed: 10 (1 UL)
See detailThe reasoning behind the New Math: from the US to Luxembourg
Nadimi Amiri, Shaghayegh UL

Presentation (2016, September 03)

Since 1958 a series of new reform programmes, known as “New Math reform” tried to fundamentally deconstruct the mathematics education of schools in the United States. This reform aimed to promote the ... [more ▼]

Since 1958 a series of new reform programmes, known as “New Math reform” tried to fundamentally deconstruct the mathematics education of schools in the United States. This reform aimed to promote the “problem-solving” abilities in students and was a means to modernise not just the school math education but also the idea of why students should learn mathematics. Later, the reform project travelled to Europe through the support of the OECD and some other international or European organisation. This paper briefly reviews the process of the adaptation of this reform project in Luxembourg during the 1960s and 1970s. The aim is to look at how the ideological background about mathematics education, and in general education, mattered in the preceding of this school reform. [less ▲]

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See detailMapping mobility, agency, and the perspectives of the young people
Vysotskaya, Volha UL

Presentation (2016, September 02)

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See detailDesign Methods in Industry
Gericke, Kilian UL; Eckert, Claudia

Presentation (2016, September)

Detailed reference viewed: 36 (9 UL)
See detailThe welfare impacts of an immigration amnesty: how drastic could they be?
Machado Carneiro, Joël UL

Presentation (2016, September)

Detailed reference viewed: 10 (0 UL)
See detailCovenants and Corporations
Baglayan Ceyhan, Basak UL

Presentation (2016, September)

Detailed reference viewed: 22 (1 UL)
See detailFormal and non formal deformation quantizations of bounded symmetric domains
Korvers, Stéphane UL

Presentation (2016, September)

Detailed reference viewed: 9 (2 UL)
See detailQuantization of spectral curves and DQ-modules
Petit, François UL

Presentation (2016, July 28)

Detailed reference viewed: 10 (1 UL)
See detailJudicial Review in International Economic Law: Which Place For Deference?
Fahner, Johannes Hendrik UL

Presentation (2016, July 15)

Detailed reference viewed: 23 (1 UL)
See detailEspace(s) : lieu ou non-lieu ?… telle est la question.
Freyermuth, Sylvie UL

Presentation (2016, July 11)

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See detailPrédiction de la résistance mécanique d’un bloc de maçonnerie sans joint par calcul numérique
Chewe Ngapeya, Gelen Gael UL; Waldmann, Danièle UL; Scholzen, Frank UL et al

Presentation (2016, July 06)

La nouvelle génération de blocs de maçonnerie montés à sec (sans joint) et muni d’éléments d’engrenages ou d’emboîtement présente des avantages substantiels tant en précision et vitesse de pose, qu’en ... [more ▼]

La nouvelle génération de blocs de maçonnerie montés à sec (sans joint) et muni d’éléments d’engrenages ou d’emboîtement présente des avantages substantiels tant en précision et vitesse de pose, qu’en résistance aux déplacements transversaux, en économie de matériaux et en facilité de démontage. La performance d’un mur en maçonnerie est étroitement liée à sa stabilité générale et à la résistance mécanique des blocs de maçonnerie qui le composent. L’un des objectifs de cette étude était de rechercher un optimum entre cinq paramètres importants dans la conception d’une maçonnerie à savoir le poids, le coût, la facilité de production, mais surtout la résistance mécanique et la résistance thermique. La conception du nouveau bloc a ainsi été entreprise par calculs numériques. [less ▲]

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See detailLuST-LTE: A Simulation Package for Pervasive Vehicular Connectivity
Derrmann, Thierry UL; Faye, Sébastien UL; Frank, Raphaël UL et al

Presentation (2016, June 30)

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See detailPulsion de mort et rapport au savoir
Weber, Jean-Marie UL; Voynova, Ruzhena UL

Presentation (2016, June 24)

Detailed reference viewed: 21 (1 UL)
See detailEmotionalisierungsstrategien im mittelalterlichen Erzählanfang
Bendheim, Amelie UL

Presentation (2016, June 23)

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See detailMindfulness and attention during aging
Tournier, Isabelle UL; Ferring, Dieter UL

Presentation (2016, June 22)

Detailed reference viewed: 37 (5 UL)
See detailLinguistic Integration of Asylum Applicants: Policies and Practice in Luxembourg
Kalocsanyiova, Erika UL

Presentation (2016, June 21)

This contribution aims at investigating the language policies that are in place in Luxembourg to support the linguistic integration of adult migrants from refugee backgrounds. A rather abrupt and recent ... [more ▼]

This contribution aims at investigating the language policies that are in place in Luxembourg to support the linguistic integration of adult migrants from refugee backgrounds. A rather abrupt and recent change in the country’s refugee intake patterns -reflected in the increased number and shifted geographic origin of international protection applicants- is presenting new challenges for the process of integration and the actors involved. Language is a crucial aspect for inclusion and participation in working and social life, especially in highly diverse, mobile and multilingual contexts such as Luxembourg. It has been demonstrated that in multilingual environments people are more likely to establish effective ways of communication without sharing a common language code, principally through the productive-creative combination of all available language and other communication resources. Against this background, the present contribution examines the presence (or absence) of multilingual approaches in local policies for linguistic integration and language learning. In this connection, I am going to explore whether the inclusion of multilingualism entails the acknowledgment of the asylum applicants’ full linguistic repertoires, or whether it remains limited to the appreciation of those languages that are generally recognized in our context such as French, English, German or Luxembourgish. Similarly, the purposes and forms of available linguistic training are going to be discussed, with particular focus on the organization of formal language education, language training for low educated and illiterate asylum applicants, policy measures for the support of informal/non-formal language learning activities, and potential integration of language learning with professional development and social participation. Main policies at national and organizational level are going to be reviewed and commented on using interview data from key actors involved in the process. The aim is to offer different perspectives on the linguistic integration of adult migrants from refugee backgrounds in Luxembourg. [less ▲]

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See detailRegenbogenfamilien: Forschungsfelder und Befunde
Niepel, Christoph UL

Presentation (2016, June 16)

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See detailWeakening the tight coupling between geometry and simulation in isogeometric analysis
Tomar, Satyendra UL; Atroshchenko, Elena; Xu, Gang et al

Presentation (2016, June 07)

In the standard paradigm of isogeometric analysis, the geometry and the simulation spaces are tightly integrated, i.e. the same non-uniform rational B-splines (NURBS) space, which is used for the geometry ... [more ▼]

In the standard paradigm of isogeometric analysis, the geometry and the simulation spaces are tightly integrated, i.e. the same non-uniform rational B-splines (NURBS) space, which is used for the geometry representation of the domain, is employed for the numerical solution of the problem over the domain. However, there are situations where this tight integration is a bane rather than a boon. Such situations arise where, e.g., (1) the geometry of the domain is simple enough to be represented by low order NURBS, whereas the unknown (exact) solution of the problem is sufficiently regular, and thus, the numerical solution can be obtained with improved accuracy by using NURBS of order higher than that required for the geometry, (2) the constraint of using the same space for the geometry and the numerical solution is particularly undesirable, such as in the shape and topology optimization, and (3) the solution of the problem has low regularity but for the curved boundary of the domain one can employ higher order NURBS. Therefore, we propose to weaken this constraint. An extensive study of patch tests on various combinations of polynomial degree, geometry type, and various cases of varying degrees and control variables between the geometry and the numerical solution will be discussed. It will be shown, with concrete reasoning, that why patch test fails in certain cases, and that those cases should be avoided in practice. Thereafter, selective numerical examples will be presented to address some of the above-mentioned situations, and it will be shown that weakening the tight coupling between geometry and simulation offers more flexibility in choosing the numerical solution spaces, and thus, improved accuracy of the numerical solution. [less ▲]

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See detailGeneralizing the isogeometric concept: weakening the tight coupling between geometry and simulation in IGA
Tomar, Satyendra UL; Atroshchenko, Elena; Xu, Gang et al

Presentation (2016, June 02)

In the standard paradigm of isogeometric analysis [2, 1], the geometry and the simulation spaces are tightly integrated, i.e. the non-uniform rational B-splines (NURBS) space, which is used for the ... [more ▼]

In the standard paradigm of isogeometric analysis [2, 1], the geometry and the simulation spaces are tightly integrated, i.e. the non-uniform rational B-splines (NURBS) space, which is used for the geometry representation of the domain, is also employed for the numerical solution of the problem over the domain. However, in certain situations, such as, when the geometry of the domain can be represented by low order NURBS but the numerical solution can be obtained with improved accuracy by using NURBS of order higher than that required for the geometry; or in the shape and topology optimization where the constraint of using the same space for the geometry and the numerical solution is not favorable, this tight coupling is disadvantageous. Therefore, we study the effect of decoupling the spaces for the geometry representation and the numerical solution, though still using the prevalent functions in CAD/CAGD. To begin with, we perform the patch tests on various combinations of polynomial degree, geometry type, and various cases of varying degrees and control variables between the geometry and the numerical solution. This shows that certain cases, perhaps intuitive, should be avoided in practice because patch test fails. The above-mentioned situations are further explored with some numerical examples, which shows that weakening the tight coupling between geometry and simulation offers more flexibility in choosing the numerical solution spaces. [1] J. Cottrell, T.J.R. Hughes, and Y. Bazilevs. Isogeometric Analysis: Toward Integration of CAD and FEA, volume 80. Wiley, Chichester, 2009. [2] T.J.R. Hughes, J. Cottrell, and Y. Bazilevs. Isogeometric analysis: CAD, finite elements, NURBS, exact geometry and mesh refinement. Computer Methods in Applied Mechanics and Engineering, 194:4135–4195, 2005. [less ▲]

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The present course will focus on intergenerational family relations over the life-span from the perspective of developmental psychology. In the first section, we will have a closer look at central ... [more ▼]

The present course will focus on intergenerational family relations over the life-span from the perspective of developmental psychology. In the first section, we will have a closer look at central definitions, models and concepts from life-span developmental psychology–for instance, life-span models of development, structuring the life course, developmental tasks, normative and non-normative life events, and the concept of generation. In the second part, we will focus on key concepts in the study of intergenerational family relations, such as intergenerational solidarity, conflict and ambivalence. Further, specific research evidence regarding intergenerational relations over the life span (including adolescent-parent, adult child-parent as well as grandchild-grandparent relations) will be presented and discussed, also taking into account cross-cultural aspects and intergenerational relations in the context of migration. [less ▲]

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The course will present an overview of recent developments, which will enable students to make informed choices in terms of discretization and model selection in solving numerical problems in mechanics ... [more ▼]

The course will present an overview of recent developments, which will enable students to make informed choices in terms of discretization and model selection in solving numerical problems in mechanics. We will cover discretization strategies ranging from the standard finite element method, the smoothed finite element method, the extended finite element method, polygonal and virtual element methods, meshfree methods. The applications range between fracture of heterogeneous materials and biomedical simulations. The intended learning outcomes of the course are such that the students will be: - able to critically assess discretization schemes in mechanics - able to implement simple error estimators for finite element methods - familiar with basic multi-scale methods for fracture and their limitations - able to follow basic literature in model error and model selection, in particular based on Bayesian inference Course participants will learn these topics through lectures and hands-on numerical experiments. [less ▲]

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