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See detailIntroduction to Space Law
Masson-Zwaan, Tanja; Hofmann, Mahulena UL

Book published by Kluwer - revised (2019)

The expansion of space and communication activities requires an adaptation of the present international and national legal framework. The book gives an overview of legal norms applicable to space ... [more ▼]

The expansion of space and communication activities requires an adaptation of the present international and national legal framework. The book gives an overview of legal norms applicable to space activities. [less ▲]

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See detailIdentifying elastoplastic parameters with Bayes' theorem considering double error sources and model uncertainty
Rappel, Hussein UL; Beex, Lars UL; Noels, Ludovic et al

in Probabilistic Engineering Mechanics (2019), 55

We discuss Bayesian inference for the identi cation of elastoplastic material parameters. In addition to errors in the stress measurements, which are commonly considered, we furthermore consider errors in ... [more ▼]

We discuss Bayesian inference for the identi cation of elastoplastic material parameters. In addition to errors in the stress measurements, which are commonly considered, we furthermore consider errors in the strain measurements. Since a difference between the model and the experimental data may still be present if the data is not contaminated by noise, we also incorporate the possible error of the model itself. The three formulations to describe model uncertainty in this contribution are: (1) a random variable which is taken from a normal distribution with constant parameters, (2) a random variable which is taken from a normal distribution with an input-dependent mean, and (3) a Gaussian random process with a stationary covariance function. Our results show that incorporating model uncertainty often, but not always, improves the results. If the error in the strain is considered as well, the results improve even more. [less ▲]

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See detailEffective Legal Remedies and Fair Trial in Tax and Time
Pantazatou, Aikaterini UL

in Haslehner, Werner; Kofler, Georg; Rust, Alexander (Eds.) Time and Tax - Issues in International, EU and Constitutional Law (2019)

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See detailMethodological Aspects of Software Engineering, Assurance, Quality, and Reliability Engineering (MAS/AQR) 2019 Welcome from the Minitrack Co-Chairs
Tenbergen, Bastian; Ries, Benoît UL

in Proceedings of the 52nd Hawaii International Conference on System Sciences (HICSS) (2019, January)

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See detailA preliminary assessment of the effects of migration on the production structure in Europe: A labor task approach
Joxhe, Majlinda UL; De Arcangelis, Giuseppe; Borelli, Stefania

in Economics Bulletin (2019), 39(1), 289-294

We assess the e ffect of migration on the production structure in a selection of European countries for the pre-Great Recession period 2001-2009. We propose a labor-task approach where the inflow of ... [more ▼]

We assess the e ffect of migration on the production structure in a selection of European countries for the pre-Great Recession period 2001-2009. We propose a labor-task approach where the inflow of migrants raises the relative supply of manual-physical (or simple) tasks and therefore favors simple-task intensive sectors. We use the US O*NET database in conjunction with European labor data to calculate the index of simple-task intensity at the industry and country level. The analysis confi rms that a rise in employment migration rates has a generalized positive impact, but that value-added increases signi ficantly more in sectors that use more intensively simple tasks. A traditional shift-share instrument is used to overcome possible endogeneity problems. [less ▲]

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See detailConformal actions of higher-rank lattices on pseudo-Riemannian manifolds
Pecastaing, Vincent UL

E-print/Working paper (2019)

We investigate conformal actions of cocompact lattices in higher-rank simple Lie groups on compact pseudo-Riemannian manifolds. Our main result gives a general bound on the real-rank of the lattice, which ... [more ▼]

We investigate conformal actions of cocompact lattices in higher-rank simple Lie groups on compact pseudo-Riemannian manifolds. Our main result gives a general bound on the real-rank of the lattice, which was already known for the action of the full Lie group ([33]). When the real-rank is maximal, we prove that the manifold is conformally flat. This indicates that a global conclusion similar to that of [1] and [17] in the case of a Lie group action might be obtained. We also give better estimates for actions of cocompact lattices in exceptional groups. Our work is strongly inspired by the recent breakthrough of Brown, Fisher and Hurtado on Zimmer’s conjecture [7]. [less ▲]

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See detailArpanet (1969-2019)
Paloque-Bergès, Camille; Schafer, Valerie UL

in Internet Histories: Digital Technology, Culture and Society (2019), 3(1), 1-14

ARPANET’s story is part of the Internet’s official heritage, as a first crucial step in its development. Janet Abbate’s seminal work Inventing the Internet (1999) has extensively covered its history and ... [more ▼]

ARPANET’s story is part of the Internet’s official heritage, as a first crucial step in its development. Janet Abbate’s seminal work Inventing the Internet (1999) has extensively covered its history and is still a landmark in this area. However, the 50th anniversary of ARPANET provides an opportunity to reflect on existing histories and to open up the debate to new perspectives and approaches. If we consider ARPANET as a first step towards the Internet, how did it determine – and how does it continue to determine – our current understanding of the Internet? What is left to explore and discover in ARPANET’s history? And if ARPANET is dead today, are its legacy and spirit still alive, and if so, in what way? [less ▲]

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See detailMining in Outer Space: Legal Aspects
Hofmann, Mahulena UL; Bergamasco, Federico UL

in Tams, Christian; Bungenberg, Marc; Krajewski, Markus (Eds.) European Yearbook of International Economic Law 2018 (2019)

Outer space has become the focus of projects plannning exploration and excavation of natural resources. The central international legal source of the law of Outer Space is the 1967 Outer Space Treaty. The ... [more ▼]

Outer space has become the focus of projects plannning exploration and excavation of natural resources. The central international legal source of the law of Outer Space is the 1967 Outer Space Treaty. The mining activities in outer space are compatible with international law under the condition that they respect this treaty, including its obligation to protect the environment. [less ▲]

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See detailJohnny and Ivan learning in a programmed way: The reinvention of one American technology
Boretska, Viktoria UL

in IJHE Bildungsgeschichte (2019), 9(1), 29-46

In the heated times of the Cold War, two hypothetical schoolboys – Johnny in the United States and Ivan in the Soviet Union (USSR) – were both promised a school where they would learn in a new way. This ... [more ▼]

In the heated times of the Cold War, two hypothetical schoolboys – Johnny in the United States and Ivan in the Soviet Union (USSR) – were both promised a school where they would learn in a new way. This new way – the technology of programmed instruction – was developed by the American behavioral psychologist Burrhus F. Skinner. It became popular globally over the 1960s and was promoted passionately in the United States and the USSR alike. The aim of this article is to explore this shared sentiment, with the specific intention of explaining how, during the Cold War, an American innovation was able to become a hit in Soviet education under reform. Un­ derstanding educational transfer as translation rather than transportation, the article unveils the ways in which the idea of programmed learning became embedded and reconceptualized through the specific Soviet political, historical, and cultural lens of the time. The case of programmed instruction not only demonstrates that ideas become global only through their local reinvention but also illustrates that assumed scientific­ hence ­universal educational innovations or programs are never such. [less ▲]

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See detailSingle Resolution Board: another Meroni extension or another Chapter to Europe's Constitutional Transformation?
Asimakopoulos, Ioannis UL

in SSRN Electronic Journal (2019)

The establishment of the Single Resolution Board (SRB) has pushed the constitutional boundaries of agencification further. After elaborating on the SRB’s powers and safeguards, one can argue that its ... [more ▼]

The establishment of the Single Resolution Board (SRB) has pushed the constitutional boundaries of agencification further. After elaborating on the SRB’s powers and safeguards, one can argue that its governance structure combined with its policymaking powers distinguish the SRB from all other agencies. While trying to assess its legality of establishment and empowerment, this paper seeks to identify the nature of the empowerment, whether Meroni is still fit for purpose, and whether the limits of institutional balance have been bent or indeed broken. After expressing concerns as to the SRB’s compliance with the current EU institutional framework, the paper offers an alternative for exiting this constitutional deadlock by applying Weiler’s theory of constitutional transformation. Such a solution would legitimize the SRB as well as facilitate the functioning of Banking Union. [less ▲]

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See detailComparing Intra-Limb Coordination and Timing of Performing a Baseball-Pitch in Skilled and Unskilled Pitchers with Emphasis on Different Movement Phases
Ghorbani, Saeed; Bund, Andreas UL

in Motor Behavior (2019), 10(34), 29-48

The coordination of body limbs and the timing during performing of a Baseball-pitch and its different movement phases are relatively unknown. The purpose of the present study was to describe and compare ... [more ▼]

The coordination of body limbs and the timing during performing of a Baseball-pitch and its different movement phases are relatively unknown. The purpose of the present study was to describe and compare the coordination between the shoulder-elbow joints and timing during execution of a Baseball-pitch by skilled and unskilled subjects emphasizing movement phases. The subjects consisted of a skilled male pitcher and eight beginner pitchers. Intra-limb coordination was obtained for the shoulder-elbow joints and was shown by angle-angle plots. Start and end points of all pitchers were normalized by linear interpolation method to 250 points. Timing, angles of the beginning and end of each phase, and the minimum and maximum angles of shoulder and elbow joints in each phase were compared between skilled and unskilled pitchers. The results indicated that there is a relatively clear difference in the coordination patterns between the joints of the shoulder-elbow, especially in the first and second phases between skilled and unskilled pitchers. There were also many differences between unskilled pitchers with the skilled pitcher at the beginning and end as well as the minimum and maximum angles of shoulder and elbow joints in different phases. Considering the timing variable, the time of performing the whole movement and the first, fourth, and fifth phases in unskilled pitchers was significantly shorter than that of the skilled pitcher. The results were discussed with regard to spatiotemporal characteristics of the performing Baseball-pitch in skilled and unskilled pitchers. Also, were discussed practical considerations for improving skills and preventing injury. [less ▲]

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See detailElucidation of influencing parameters of the laser butt welding process of dissimilar steel to tungsten alloy sheets
Schiry, Marc UL; Plapper, Peter UL

in Proceedings: International Conference on Competitive Manufacturing COMA'19 (2019, January)

Laser welding of steel - tungsten alloy joints requires deep understanding of the impact of the laser parameters on the welding process. Due to the dissimilar thermal and metallurgical properties of both ... [more ▼]

Laser welding of steel - tungsten alloy joints requires deep understanding of the impact of the laser parameters on the welding process. Due to the dissimilar thermal and metallurgical properties of both materials, a defined heat input and a precise temperature control in the weld interface is required. In the presented work, the influence of different laser parameter (e.g. laser power, focal position, scanner speed etc.) on the joint quality of laser welded steel / tungsten alloy butt-joints were investigated. By using statistical methods, the influencing process parameters were defined and optimized. It is shown that the horizontal focal position is the main parameter for the welding process in a butt-joint configuration. Additionally, manipulation of the heat input leads to modifications of the weld bead profile. By obtaining vertical seam boundaries in the sheet metal, a homogenous temperature profile at the interface of the materials to be welded was achieved. Due to the complete bonding and low amount of intermetallic phases, high shear strength accompanied with a low variance were the result. [less ▲]

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See detailMotor tests for primary school aged children: A systematic review
Scheuer, Claude UL; Herrmann, Christian; Bund, Andreas UL

in Journal of Sports Sciences (2019)

Motor testing in education has gained in relevance in light of recent developments in educational systems (Köller & Baumert, 2012). The purpose of this systematic review was to identify studies using ... [more ▼]

Motor testing in education has gained in relevance in light of recent developments in educational systems (Köller & Baumert, 2012). The purpose of this systematic review was to identify studies using motor tests in primary school children aged 4 to 12 years and to synthetize information about the quality and application of the test instruments used. A systematic review of 910 records identified by a search of nine databases yielded 144 papers reporting motor testing in primary school age children,including 25 articles reporting on the quality of 20 test instruments. In the selected articles, tests grounded on the constructs of “motor abilities” and/or “motor skills” are the most frequent and are mostly used for monitoring purposes or for impact research. Tests based on the construct “motor competencies” have become popular only recently, being relevant for educational motor testing due to their curricular validity. The test instruments have been investigated towards their validity and reliability to different extents. However, for several test instruments factorial validity has not been established and more validation studies are needed to improve their psychometric quality especially if used in educational contexts. [less ▲]

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See detailCapturing agency in different educational settings: A comparative study on youth perceptions of mobility-framing structures
Schlimbach, Tabea; Skrobanek, Jan; Kmiotek-Meier, Emilia Alicja UL et al

in Migration Letters (2019)

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See detailLateralization for faces in prereaders depends on the perceptual processing level: An EEG Fast Periodic Visual Stimulation study
Lochy, Aliette UL; Schiltz, Christine UL; Rossion, Bruno

Poster (2019, January)

The developmental origin of human adults’ right hemispheric lateralization to face stimuli is unclear, in particular because young infants’ right hemispheric advantage in face perception is no longer ... [more ▼]

The developmental origin of human adults’ right hemispheric lateralization to face stimuli is unclear, in particular because young infants’ right hemispheric advantage in face perception is no longer present in preschool children, before written language acquisition. Here we used fast periodic visual stimulation (FPVS) with scalp electrophysiology to test 52 preschool children (5 years old) at two levels of face processing (i.e., faces vs. objects, or discrimination between individual faces). While the contrast between faces and nonface objects elicits strictly bilateral occipital responses in children, discrimination of faces on the basis of identity in the same children is associated with a strong right hemispheric lateralization over the occipito-temporal cortex. Inversion of the face stimuli does not modulate right lateralization but significantly decreases the discrimination response. Furthermore, there is no relationship between right hemispheric lateralization in individual face discrimination and preschool levels of letter recognition. These observations suggest that right lateralization for face perception is essentially driven by the necessity to process faces at the level of identity. Overall, they also challenge the view that the adult right hemispheric lateralization for face perception emerges late and slowly during childhood due to increased competition with left lateralized posterior network for reading. [less ▲]

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See detailTime and Tax: Constitutional Versus Economic Perspectives
Haslehner, Werner UL

in Kofler, Georg; Rust, Alexander (Eds.) Time and Tax – Issues in International, EU, and Constitutional Law (2019)

Constitutional and economic perspectives frequently differ, including with respect to taxation. Constitutional scholars, on the one hand, typically focus on questions of justice with respect to a ... [more ▼]

Constitutional and economic perspectives frequently differ, including with respect to taxation. Constitutional scholars, on the one hand, typically focus on questions of justice with respect to a particular policy, together with the legal and institutional structures that aim to implement that policy, and thus look at individual rights, equity, the balance ofpowers and the proportionate consideration of diverse interests. Economists, on the other hand, are mainly interested in a particular policy's economic efficiency: they zoom in on its trade-offs, incentives, and consequences for economic welfare as a whole. It is necessary to combine both views for a holistic understanding of legal regulations. From both perspectives, it is, ultimately, a policy's practical effects that drive an assessment of its economic efficiency or its fairness. Thus, any constitutional or legal analysis ought to be imbued with a certain level of economic analysis, as justice depends on the actual outcomes of a policy, including its second-order effects. This contribution attempts to inquire the consequences of such approach in three main dimensions of timing taxation: assessment of taxes, collection of taxes, and the transition between different tax rules and systems. [less ▲]

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See detailTime and Tax – Issues in International, EU, and Constitutional Law
Haslehner, Werner UL; Kofler, Georg; Rust, Alexander

Book published by Kluwer Law International (2019)

Time is a crucial dimension in the application of any law. In tax law, however, where an environment characterized by rapid change on the national, European, and international levels complicates the ... [more ▼]

Time is a crucial dimension in the application of any law. In tax law, however, where an environment characterized by rapid change on the national, European, and international levels complicates the provision of accurate legal advice, timing is particularly sensitive. This book is the first to analyse the relationship between time and three key areas of tax: treaties, EU law, and constitutional law issues, such as legal certainty and individual rights. The issues arising from the interplay of these various areas are analysed from a both academic and practical angle, providing important insights independent of the concrete national framework within which tax rules are applied. [less ▲]

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