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See detailA la rencontre de Lev Vygotsky
Reuter, Robert UL

Book published by Université du Luxembourg (2007)

Ce livre est issu d’un projet pédagogique réalisé au second semestre de l’année académique 2006-2007 par des étudiantes et étudiants de l’Université du Luxembourg, dans le cadre du deuxième module ... [more ▼]

Ce livre est issu d’un projet pédagogique réalisé au second semestre de l’année académique 2006-2007 par des étudiantes et étudiants de l’Université du Luxembourg, dans le cadre du deuxième module : «Introducing Vygotsky (1896-1934): Mediation and the ZPD» de l’unité d’apprentissage «Learning as a social and cultural practice» du programme d’études du Bachelor Professionnel en Sciences de l’Education (BPSE), dispensé par la Faculté des Lettres, des Sciences Humaines, des Arts et des Sciences de l'Education. Il contient des contributions originales sur des thèmes variés du domaine de la psychologie des apprentissages, du développement et de l'éducation. [less ▲]

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See detailA meshless adaptive multiscale method for fracture
Yang, S.-W.; Budarapu, P. R.; Mahapatra, D. R. et al

in Computational Materials Science (2015), 96(PB), 382-395

The paper presents a multiscale method for crack propagation. The coarse region is modelled by the differential reproducing kernel particle method. Fracture in the coarse scale region is modelled with the ... [more ▼]

The paper presents a multiscale method for crack propagation. The coarse region is modelled by the differential reproducing kernel particle method. Fracture in the coarse scale region is modelled with the Phantom node method. A molecular statics approach is employed in the fine scale where crack propagation is modelled naturally by breaking of bonds. The triangular lattice corresponds to the lattice structure of the (1 1 1) plane of an FCC crystal in the fine scale region. The Lennard-Jones potential is used to model the atom-atom interactions. The coupling between the coarse scale and fine scale is realized through ghost atoms. The ghost atom positions are interpolated from the coarse scale solution and enforced as boundary conditions on the fine scale. The fine scale region is adaptively refined and coarsened as the crack propagates. The centro symmetry parameter is used to detect the crack tip location. The method is implemented in two dimensions. The results are compared to pure atomistic simulations and show excellent agreement. [less ▲]

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See detailA Mindfulness-Based Group Intervention for Enhancing Self-Regulation of Emotion in Late Childhood and Adolescence: A Pilot Study
Deplus, S.; Billieux, Joël UL; Scharff, C. et al

in International Journal of Mental Health and Addiction (2016), 14(5), 775-790

Emotion dysregulation is strongly implicated in the development of psychological problems during adolescence. The purpose of this study was to examine the feasibility and acceptability of an intervention ... [more ▼]

Emotion dysregulation is strongly implicated in the development of psychological problems during adolescence. The purpose of this study was to examine the feasibility and acceptability of an intervention for enhancing self-regulation of emotion in adolescents, adapted from Mindfulness-based Cognitive Therapy. We studied the impact of the intervention on depressive symptoms, as well as on transdiagnostic psychological processes related to emotional regulation, namely impulsivity and ruminative thinking. Twenty-one participants aged between 11 and 19 years were offered a nine-session group intervention. Adolescents completed standardized questionnaires before and after the training. This intervention was found to increase self-reported mindfulness and was well-accepted by adolescents, as estimated by the low dropout rate. As expected, a decrease was observed in depressive symptoms, in specific impulsivity facets (urgency and lack of perseverance), and in internal-dysfunctional strategies of emotion regulation (especially in unconstructive repetitive thoughts). The present findings provide preliminary support for a group intervention for adolescents characterized by emotion regulation difficulties, targeting transdiagnostic psychological processes (impulsivity and ruminative thinking). Furthermore, by potentially enhancing self-regulation skills, this intervention might constitute an effective method for general prevention of psychological disorders in late childhood and adolescence. © 2016, Springer Science+Business Media New York. [less ▲]

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See detail"A Noble Animal" : Animalische und andere Tiere in D. H. Lawrence' "St. Mawr"
Kohns, Oliver UL

in Doll, Martin; Kohns, Oliver (Eds.) Politische Tiere : Zoologie des Kollektiven (2017)

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See detail« À nos braves » : les monuments aux légionnaires luxembourgeois entre conflit et réconciliation
Camarda, Sandra UL

in Camarda, Sandra; Sauer, Arnaud; Scuto, Denis (Eds.) et al Légionnaires : Parcours de Guerre et de Migrations entre le Luxembourg et la France (2020)

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See detailA Perfect Body of Knowledge: Taste and Digestion in Eighteenth-Century France
Takats, Sean UL

in Arnaud, Sabine; Jordheim, Helge (Eds.) Le Corps et ses images dans l'Europe du dix-huitième siècle (2012)

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See detailA phenotypic screen in zebrafish identifies a novel small-molecule inducer of ectopic tail formation suggestive of alterations in non-canonical Wnt/PCP signaling
Gebruers, E.; Cordero-Maldonado, M. L.; Gray, A. I. et al

in PLoS ONE (2013), 8(12),

Zebrafish have recently emerged as an attractive model for the in vivo bioassay-guided isolation and characterization of pharmacologically active small molecules of natural origin. We carried out a ... [more ▼]

Zebrafish have recently emerged as an attractive model for the in vivo bioassay-guided isolation and characterization of pharmacologically active small molecules of natural origin. We carried out a zebrafish-based phenotypic screen of over 3000 plant-derived secondary metabolite extracts with the goal of identifying novel small-molecule modulators of the BMP and Wnt signaling pathways. One of the bioactive plant extracts identified in this screen - Jasminum gilgianum, an Oleaceae species native to Papua New Guinea - induced ectopic tails during zebrafish embryonic development. As ectopic tail formation occurs when BMP or non-canonical Wnt signaling is inhibited during the tail protrusion process, we suspected a constituent of this extract to act as a modulator of these pathways. A bioassay-guided isolation was carried out on the basis of this zebrafish phenotype, identifying para-coumaric acid methyl ester (pCAME) as the active compound. We then performed an in-depth phenotypic analysis of pCAME-treated zebrafish embryos, including a tissue-specific marker analysis of the secondary tails. We found pCAME to synergize with the BMP-inhibitors dorsomorphin and LDN-193189 in inducing ectopic tails, and causing convergence-extension defects in compound-treated embryos. These results indicate that pCAME may interfere with non-canonical Wnt signaling. Inhibition of Jnk, a downstream target of Wnt/PCP signaling (via morpholino antisense knockdown and pharmacological inhibition with the kinase inhibitor SP600125) phenocopied pCAME-treated embryos. However, immunoblotting experiments revealed pCAME to not directly inhibit Jnk-mediated phosphorylation of c-Jun, suggesting additional targets of SP600125, and/or other pathways, as possibly being involved in the ectopic tail formation activity of pCAME. Further investigation of pCAME's mechanism of action will help determine this compound's pharmacological utility. © 2013 Gebruers et al. [less ▲]

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See detailAn a posteriori error estimator for the spectral fractional power of the Laplacian
Bulle, Raphaël UL; Barrera, Olga; Bordas, Stéphane UL et al

E-print/Working paper (2022)

We develop a novel a posteriori error estimator for the L2 error committed by the finite ele- ment discretization of the solution of the fractional Laplacian. Our a posteriori error estimator takes ... [more ▼]

We develop a novel a posteriori error estimator for the L2 error committed by the finite ele- ment discretization of the solution of the fractional Laplacian. Our a posteriori error estimator takes advantage of the semi–discretization scheme using a rational approximation which allows to reformulate the fractional problem into a family of non–fractional parametric problems. The estimator involves applying the implicit Bank–Weiser error estimation strategy to each parametric non–fractional problem and reconstructing the fractional error through the same rational approximation used to compute the solution to the original fractional problem. We provide several numerical examples in both two and three-dimensions demonstrating the effectivity of our estimator for varying fractional powers and its ability to drive an adaptive mesh refinement strategy. [less ▲]

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See detailL'a priori, l'a posteriori, le pur et le non pur chez Christian Wolff et ses maîtres
Neveu, Sébastien Adrien Charles UL

Doctoral thesis (2014)

This work tries at first, in a structural part, to understand the coherence and to estimate the solidity of the " marriage between the reason and the experience " that Christian Wolff tried to establish ... [more ▼]

This work tries at first, in a structural part, to understand the coherence and to estimate the solidity of the " marriage between the reason and the experience " that Christian Wolff tried to establish in philosophy, by means of the concepts of a priori, of a posteriori, the pure and the not pure. It demonstrates while this "alliance" is not bearable and engenders an important tension in the whole of its thought, what engenders a historic crisis concerning the metaphysics, the crisis ending historically in the criticism of Kant. In a more historic, second part, this work tries to go back up at the origin of the use of these concepts (a priori, a posteriori, pure and not pure) at the predecessors of Wolff (Tschirnhaus, Leibniz, Weigel, Sturm, Agricola, Descartes, Ramus, etc.) to establish that the concept of pure reason is far from making the unanimity in the classic thought, that it stirs up controversy and that it is in complete opposition with the Aristotelian and scholastic tradition. This work thus allows in the end to question a history of the official philosophy based on the classic interpretation stemming from Kant. [less ▲]

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See detailÀ propos d’un bullarium cistercien du XIVe siècle. Le manuscrit 234 de la Bibliothèque municipale d’Épinal
Salemme, Timothy UL

in Renault, Jean-Baptiste (Ed.) Originaux et cartulaires en Lorraine (2016)

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See detailÀ propos de l'évêque Marus de Trèves
Dubuisson, Bastien UL

in Analecta Bollandiana: Revue Critique d'Hagiographie (2021), 139(2), 339-358

The life of Bishop Marus of Trier (5th century) is little known, apart from a few snippets of information transmitted in the Gesta Treverorum (ca. 1100). Only a brief miraculous account from the beginning ... [more ▼]

The life of Bishop Marus of Trier (5th century) is little known, apart from a few snippets of information transmitted in the Gesta Treverorum (ca. 1100). Only a brief miraculous account from the beginning of the 16th century provides some additional details on the character, limited however to his qualities as an intercessor. The discovery of an older witness to this work in the Sanctilogium of Jean Gielemans of the Abbey of Rouge-Cloître makes it possible to re-evaluate its dating. The investigation into the genesis and transmission of this text (the edition of which is given in the appendix) is an opportunity to deal with a lesser-known period of the hagiography of Trier and to address the question of the existence of a Vita of the bishop. [less ▲]

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See detailA propos de la taille des villes. Population agglomérée - population dispersée à l'aube du XIXe siècle
Leboutte, René UL

in Le réseau urbain en Belgique dans une perspective historique (1350-1850). Une approche statistique et dynamique (1992)

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See detailA propos de Life time contracts
Hiez, David UL

in Revue Trimestrielle de Droit Civil (2014), 4

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See detailA propos des souvenirs de guerre de Jean Hamilius
Scuto, Denis UL

Article for general public (2015)

Weekly column on contemporary history ("L'histoire du temps présent") in Luxembourg newspaper Tageblatt, here on Mémoires of banker and liberal politician Jean Hamilius, "Luxemburg im Wandel der Zeiten"

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See detailA propos du principe de primauté
Neframi, Eleftheria UL

in Schneider, Catherine (Ed.) Le traité de Lisbonne. Reconfiguration ou déconstitutionnalisation de l’Union européenne ? (2009)

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See detailÀ propos...
Scuto, Denis UL

Article for general public (2018)

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See detailA psychobiological perspective on genetic determinants of hypothalamus-pituitary-adrenal axis activity
Wüst, S.; Federenko, I. S.; Van Rossum, E. F. C. et al

in Annals of the New York Academy of Sciences (2004), 1032

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