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See detailExploring the power of converse events
Aucher, Guillaume UL; Herzig, Andreas

in Dynamic Formal Epistemology (2009)

Dynamic epistemic logic as viewed by Baltag, Moss and Solecki (BMS) and propositional dynamic logic (PDL) offer different semantics of events. On the one hand, BMS adds dynamics to epistemic logic by ... [more ▼]

Dynamic epistemic logic as viewed by Baltag, Moss and Solecki (BMS) and propositional dynamic logic (PDL) offer different semantics of events. On the one hand, BMS adds dynamics to epistemic logic by introducing so-called event models as syntactic objects into the language. On the other hand, PDL has instead transition relations between possible worlds. This last approach allows to easily introduce converse events. In this paper we add epistemics to this, and call the resulting logic epistemic dynamic logic (EDL). We show that BMS can be translated into EDL thanks to this use of the converse operator : it enables us to translate the structure of the event model directly within a particular axiomatization of EDL, without having to refer to a particular epistemic event model in the language (as done in BMS).We show that EDL is more expressive and general than BMS and we characterize semantically and syntactically in EDL this embedding of BMS. [less ▲]

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See detailExploring the relation between family involvement and firms’ financial performance: A replication and extension meta-analysis
Hansen, Christopher UL; Block, Joern

in Journal of Business Venturing Insights (2020), 13

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See detailExploring the relation between speed and ability in complex problem solving
Scherer, Ronny; Greiff, Samuel UL; Hautamäki, J.

in Intelligence (2015), 48

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See detailExploring the significance of resource-rich views in science education
Siry, Christina UL

in Cultural Studies of Science Education (2011), 6(4), 1019-1029

In a recently published article in Cultural Studies of Science Education (Volume 6, Issue 2) titled What does playing cards have to do with science? A resource-rich view of African American young men ... [more ▼]

In a recently published article in Cultural Studies of Science Education (Volume 6, Issue 2) titled What does playing cards have to do with science? A resource-rich view of African American young men, Alfred Schademan (2011) examines the resources that African American young men learn through playing a card came called Spades. In his ethnographic study, he takes a resource-rich view of the players, highlights science-related resources demonstrated by the players, and challenges deficit notions of these young men. Three Forum response papers complement Schademan’s research. The first is written by Nancy Ares, the second is coauthored by Allison Gonsalves, Gale Seiler, and Dana Salter, and the third is written by Philemon Chigeza. All three of these response papers elaborate on his points and emphasize issues inherent in working towards resource-rich views in science education. In this paper, I draw on all four papers to explore the possibilities in recognizing, highlighting, and accepting the resources that students bring as being resources for science learning. [less ▲]

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See detailExploring the User Experience of Autonomous Driving: Workshop at AutomotiveUI 2013
Tscheligi, Manfred; Wilfinger, David; Meschtscherjakov, Alexander et al

in Proceedings of Automotive User Interfaces 2013 (2008, October 27)

Although cars are not flying yet, self-driving cars are definitively closer than some may think. Numerous research organizations and major companies have developed working prototype autonomous vehicles ... [more ▼]

Although cars are not flying yet, self-driving cars are definitively closer than some may think. Numerous research organizations and major companies have developed working prototype autonomous vehicles. Three U.S. states have passed laws permitting autonomous cars on public roads and the UK is currently working on making similar policy changes. Technical challenges are of great importance to fully transition to these vehicles, but legislation, infrastructure and human factors elements are of equal significance to tackle, and have received much less attention. With this workshop, we would like to start the conversation of Autonomous Vehicles with experts and researchers specifically in the area of Human Factors and User Experience. This workshop will explore the emerging themes of autonomous driving, social driving and novel user interface approaches. The aim being to define the future landscape for research within and across each these areas. [less ▲]

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See detailExploring the uses of ICT in education: A national survey study
Reuter, Robert UL; Busana, Gilbert UL; Linckels, Serge

Scientific Conference (2016, November 23)

This study aims at documenting current educational technology practices in Luxembourgish public schools and to better understand them in terms of various internal/proximal and external/distal enabling ... [more ▼]

This study aims at documenting current educational technology practices in Luxembourgish public schools and to better understand them in terms of various internal/proximal and external/distal enabling factors and barriers. It is supposed to serve as a guide for current digital education policies, strategies and actions and to assess their effects in the near and mid-term future. Therefore, an online survey was designed and deployed to all primary and secondary school teachers asking (mostly multiple choice) questions about a variety of proximal and distal influence factors and about ICT-supported pedagogical practices of teachers. Results show that teachers are willing to integrate ICT in education, that they are aware of its importance, that they feel comfortable to use ICT in everyday, but not prepared to use them for educational purposes. ICT-supported teaching remains rather teacher-centered. This has important implications for teacher training and on digital education strategies to be implemented. [less ▲]

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See detailExploring the value of user-generated app data to design and improve urban running environments
van Renswouw, Loes; Bogers, Sander; Lallemand, Carine UL et al

Scientific Conference (2019, October)

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See detailExploring therapeutic viability of a non-dopaminergic target for Parkinson’s disease
Ashrafi, Amer; Buttini, Manuel UL; Garcia, Pierre UL et al

in Movement Disorders (2016), 31(2), 630

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See detailExploring Three Different Assessment Techniques of the Test for Creative Thinking-Drawing Production
Kirsch, Christiane UL; Lubart, Todd

Poster (2014, June)

L’aspect principal de la recherche présente consiste dans la comparaison de trois techniques d’évaluation du Test of Creative Thinking : Drawing Production (Test de Pensée Créative : Production Picturale ... [more ▼]

L’aspect principal de la recherche présente consiste dans la comparaison de trois techniques d’évaluation du Test of Creative Thinking : Drawing Production (Test de Pensée Créative : Production Picturale TPC-PP) (Urban & Jellen, 1995). Il s’agit de déterminer la technique d’évaluation la plus appropriée pour différents types de populations : architectes, psychologues et la population générale. L’échantillon des architectes compte 140 participants (65 femmes, 75 hommes, M = 21.96, ET = 4.37, distribution d’âge: 18-52 ans). L’échantillon des psychologues compte 121 participants (95 femmes, 24 hommes, M = 21.94, ET = 2.22, distribution d’âge: 19-32 ans). L’échantillon de la population générale compte 175 participants (109 femmes, 66 hommes, M = 24.47, ET = 3.52, distribution d’âge: 19-39 ans). Mis à part de la population des architectes, on retrouve des corrélations élevées entre les trois techniques d’évaluation. Ce résultat, quelque peu surprenant, est ramené au niveau d’expertise en dessin des architectes. Il semble bien que dans ce domaine spécifique, il est utile d’avoir recours à des juges experts en matière de dessin ou d’architecture. Des recherches futures pourraient tenter d’établir des modèles de prédiction de la créativité, adaptés aux champs plus vastes des arts, de la science et de la créativité dans la vie de tous les jours. Ils devraient être respectivement basés sur la méthode d’évaluation la plus adaptée à la population concernée. Ceci permettrait de fortifier la mesure du construit de la créativité et d’établir des modèles de prédiction de la créativité plus élaborés et plus spécifiques. [less ▲]

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See detailExploring Transnational Entrepreneurship: On the Interface between International Entrepreneurship and Ethnic Entrepreneurship
Adiguna, Rocky UL

Bachelor/master dissertation (2012)

Transnational entrepreneurship (TE) has been in the spotlight as an emerging field during the last decade. Previously being viewed from international entrepreneurship (IE) and ethnic entrepreneurship (EE ... [more ▼]

Transnational entrepreneurship (TE) has been in the spotlight as an emerging field during the last decade. Previously being viewed from international entrepreneurship (IE) and ethnic entrepreneurship (EE) perspectives, TE has recently demarcating its own territory. However, the exact boundary in which TE differs from IE and EE is yet to be studied. This research is aiming to explore the interface of TE, IE, and EE through the entrepreneurs’ sets of resources—economic, social, cultural, and symbolic capital. By studying the case of ten immigrant entrepreneurs in Jönköping context, we found four key features that distinguish TE with the rest: access to the sets of resources, economic and social development, ownership structure, and business operations. [less ▲]

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See detailExploring ‘vibrant matter’ in animation making
Budach, Gabriele UL; Sharoyan, Gohar UL

in Language and Intercultural Communication (2020), 20(5), 464-481

The text examines how human, objects and digital technology interacted in the creation of a short animated story, and how human identity became entangled in this process. We explore animation making as an ... [more ▼]

The text examines how human, objects and digital technology interacted in the creation of a short animated story, and how human identity became entangled in this process. We explore animation making as an assemblage in which all parts, human and non-human, play an agentive role, in shaping the story, the story making, and the story makers, mutually transforming each other. We posit that this engagement, by putting a strong emphasis on exploring the materiality of objects, produces a deand reterritorializing effect. It favors exploring new relationships and identity positions, by breaking away, temporarily, from human-made, hierarchical systems of relationships, built on comparison, copying and competition, and by inviting experimentation and discovery of the ‘not yet known’ in a hierarchy flat, immersive, horizontally flowing process. ‘Animating objects’ decenters from the conventional meaning of objects, by broadening the ‘linguistic sign’ and the purpose and functionality of objects in daily life. It engages humans in forming empathetic relationships with objects, by humanizing and inter-acting with them, as if experimenting with an alter ego, or a new self. ‘Animating objects’ therefore has the potential to sensitize for and build empathetic capacity, not only in relation to the self-animated object, but also in relation to humans sharing a similar experience, wherein we see interesting potential for education in contexts of diversity, intercultural communication and beyond. We investigate the personal experience of the co-author, Gohar, as an identity journey and as a transformative process that emerged from the encounter between her and the carrots, her selected objects for story making. We draw on ethnographic, observational data, video-recordings, retrospective recorded and transcribed interviews, and reflective writing, which we analyse by making connections to theories of new materialism. [less ▲]

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See detailUne expo multimédia révèle l'histoire des Luxembourgeois dans la Légion
Scuto, Denis UL; Camarda, Sandra; Sauer, Arnaud UL

Article for general public (2021)

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See detailUne expo sur Baru et ses potes
Scuto, Denis UL

in Tageblatt (2016)

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See detailExponential actions and maximal D-invariant ideals
Molitor-Braun, Carine UL

in Manuscripta Mathematica (1998), 96(1), 23-35

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See detailExponential actions, orbits and their kernels
Ludwig, Jean; Molitor-Braun, Carine UL

in Bulletin of the Australian Mathematical Society (1998), 57

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See detailExponential contraction in Wasserstein distance on static and evolving manifolds
Cheng, Li Juan UL; Thalmaier, Anton UL; Zhang, Shao-Qin

in Revue Roumaine de Mathématiques Pures et Appliquées (2021), 66(1), 107-129

In this article, exponential contraction in Wasserstein distance for heat semigroups of diffusion processes on Riemannian manifolds is established under curvature conditions where Ricci curvature is not ... [more ▼]

In this article, exponential contraction in Wasserstein distance for heat semigroups of diffusion processes on Riemannian manifolds is established under curvature conditions where Ricci curvature is not necessarily required to be non-negative. Compared to the results of Wang (2016), we focus on explicit estimates for the exponential contraction rate. Moreover, we show that our results extend to manifolds evolving under a geometric flow. As application, for the time-inhomogeneous semigroups, we obtain a gradient estimate with an exponential contraction rate under weak curvature conditions, as well as uniqueness of the corresponding evolution system of measures. [less ▲]

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See detailExponential Growth and the Shifting Global Center of Gravity of Science Production, 1900-2011
Zhang, Liang; Powell, Justin J W UL; Baker, David P.

in Change. The Magazine of Higher Learning (2015), 47(4), 46-49

The unprecedented, exponential growth in article production reflects the increased importance of science in countries worldwide. The shifting center of gravity away from the US emphasizes its relative ... [more ▼]

The unprecedented, exponential growth in article production reflects the increased importance of science in countries worldwide. The shifting center of gravity away from the US emphasizes its relative decline as Asian and European countries invest heavily in their national higher education and research capacity. At the same time, cutting-edge knowledge production increasingly relies on building international and intercultural bridges between scholars. Thus, research and development requires investment not only in individuals within organizations but also in the networks, connections, and exchanges that facilitate discoveries. Competition is complemented by collaboration. The simultaneous shift and eastward movement of the centers of economic prosperity and scientific production since the 1950s is not surprising. Economic development provides the resources necessary for scientific production, which in turn spurs further economic growth. Although causality cannot be inferred from this concurrent movement, decades of economic research have shown that education, science, and technology have played crucial and mutually reinforcing roles in economic growth. They are likely to do so even more in an increasingly knowledge-driven global economy. [less ▲]

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See detailExponential integrability and exit times of diffusions on sub-Riemannian and metric measure spaces
Thompson, James UL; Thalmaier, Anton UL

in Bernoulli (2020), 26(3), 2202-2225

In this article we derive moment estimates, exponential integrability, concentration inequalities and exit times estimates for canonical diffusions in two settings each beyond the scope of Riemannian ... [more ▼]

In this article we derive moment estimates, exponential integrability, concentration inequalities and exit times estimates for canonical diffusions in two settings each beyond the scope of Riemannian geometry. Firstly, we consider sub-Riemannian limits of Riemannian foliations. Secondly, we consider the non-smooth setting of RCD*(K,N) spaces. In each case the necessary ingredients are an Ito formula and a comparison theorem for the Laplacian, for which we refer to the recent literature. As an application, we derive pointwise Carmona-type estimates on eigenfunctions of Schrodinger operators. [less ▲]

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See detailExponential Observer-Based Stabilization for a Class of Affine Nonlinear Systems
Ndoye, Ibrahima UL; Zasadzinski, Michel; Radhy, Nour-Eddine et al

in 14th International IEEE/IFAC Conference Methods and Models in Automation and Robotics, MMAR’09botics MMAR'09, Poland, 19 - 21 August 2009 (2009)

In this paper, we investigate the problem of stabilizing a class of nonlinear affine systems by using the generalization of Gronwall-Bellman lemma with two control laws: first a nonlinear state feedback ... [more ▼]

In this paper, we investigate the problem of stabilizing a class of nonlinear affine systems by using the generalization of Gronwall-Bellman lemma with two control laws: first a nonlinear state feedback and second a nonlinear observer-based control. The obtained closed-loop stability is exponential. [less ▲]

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