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See detailZwischen Konformität und Handlungsmacht: Ein Blick auf die Verarbeitungspraxis von Qualitätsvorgaben in der Offenen Kinder- und Jugendarbeit
Biewers, Sandra UL

in Deinet, Ulrich; Sturzenhecker, Benedikt (Eds.) Handbuch Offene Kinder- und Jugendarbeit (in press)

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See detailA Generic Approach for Solving Nonlinear-Discrete Security-Constrained Optimal Power Flow Problems in Large-Scale Systems
Platbrood, Ludovic; Capitanescu, Florin UL; Merckx, Christian et al

in IEEE Transactions on Power Systems (in press)

This paper proves the practicality of an iterative algorithm for solving realistic large-scale SCOPF problems. This algorithm is based on the combination of a contingency filtering scheme, used to ... [more ▼]

This paper proves the practicality of an iterative algorithm for solving realistic large-scale SCOPF problems. This algorithm is based on the combination of a contingency filtering scheme, used to identify the binding contingencies at the optimum, and a network compression method, used to reduce the complexity of the post-contingency models included in the SCOPF formulation. We show that by combining these two complementary ideas, it is possible to solve in a reasonable time SCOPF problems on large power system models with a large number of contingencies. Unlike most results reported for large-scale SCOPF problems, our algorithm uses a non-linear AC network model in both pre-contingency and post-contingency states, optimizes both active/reactive powers flows jointly, and treats the discrete variables. The proposed algorithm is implemented with state-of-the-art solvers and applied to two systems: a national grid with 2563 buses and 1297 contingencies, and a model of the European transmission network with 9241 buses and 12000 contingencies. [less ▲]

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See detailStudents' immigration background as a moderator of predictive validity of tracking decisions.
Klapproth, Florian UL; Schaltz, Paule UL

in Procedia Social and Behavioral Sciences (in press)

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See detailMultiple Sets Exponential Concentration and Higher Order Eigenvalues
Gozlan, Nathael; Herry, Ronan UL

in Potential Analysis (in press)

On a generic metric measured space, we introduce a notion of improved concentration of measure that takes into account the parallel enlargement of k distinct sets. We show that the k-th eigenvalues of the ... [more ▼]

On a generic metric measured space, we introduce a notion of improved concentration of measure that takes into account the parallel enlargement of k distinct sets. We show that the k-th eigenvalues of the metric Laplacian gives exponential improved concentration with k sets. On compact Riemannian manifolds, this allows us to recover estimates on the eigenvalues of the Laplace-Beltrami operator in the spirit of an inequality of Chung, Grigor’yan & Yau, Upper bounds for eigenvalues of the discrete and continuous Laplace operators. Adv. Math. 117(2), 165–178 (1996). [less ▲]

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See detailFamiliale Generationsbeziehungen (international)
Albert, Isabelle UL; Schwarz, Beate; Mayer, Boris et al

in Ecarius, Jutta; Schierbaum, Anja (Eds.) Handbuch Familie: Bildung, Erziehung und sozialpädagogische Arbeitsfelder (in press)

Der vorliegende Beitrag beschäftigt sich mit intergenerationalen Familienbeziehungen im Kulturvergleich. Nach einer Einführung in grundlegende theoretische Modelle und Forschungstraditionen werden im ... [more ▼]

Der vorliegende Beitrag beschäftigt sich mit intergenerationalen Familienbeziehungen im Kulturvergleich. Nach einer Einführung in grundlegende theoretische Modelle und Forschungstraditionen werden im zweiten Teil Forschungsprojekte und -ergebnisse zur Ausgestaltung von Generationsbeziehungen in verschiedenen kulturellen Kontexten und im Zusammenhang mit Migration aufgezeigt sowie die Bedeutung von gesellschaftlichen Rahmenbedingungen für die Ausgestaltung von familiären Generationsbeziehungen dargelegt. [less ▲]

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See detail“That’s a value I would transmit in some way, but how concretely, I don’t know” – Intergenerational value transfer revisited in light of memory
Albert, Isabelle UL; Barros, Stephanie; Boulanger, Dany

in Wagoner, Brady; Bresco, I.; Zadeh, S. (Eds.) Memory in the Wild (in press)

Intergenerational value transmission occurs widely and to a large extent within the family as primary socialization agent. In families, children are confronted with specific practices, paradigms, rules ... [more ▼]

Intergenerational value transmission occurs widely and to a large extent within the family as primary socialization agent. In families, children are confronted with specific practices, paradigms, rules and routines which are part of their family culture (Albert & Barros Coimbra, 2017) and as such family is a mediator between societal/cultural and individual values. The ability to transmit values is essential for collective knowledge and memory, the continuity of value orientations being a main feature of intergenerational relations that enables members of different generations to communicate with each other (Barni, Rosnati, & Ranieri, 2013; Halbwachs, 1941/1992; Schönpflug, 2001). Intergenerational transmission of values becomes particularly complex in the context of migration or in times of rapid social change. On the one hand, family identity and traditions might provide a secure base in light of a changing context, and parents might find it important to transmit traditional values to the next generation in order to keep memories alive. At the same time, they might feel that their children should adapt to the changed cultural context, resulting in a (not always clear) dilemma about what they want for their children. How can migrant parents reconcile or move between the different collective frameworks of their culture of origin and the receiving culture (Middleton & Brown, 2005)? In the following, we will first give a brief overview over research in the area of intergenerational value transmission, and we will second illustrate and further inform our theoretical assumptions by identifying related themes and phenomena in our qualitative dyadic interviews. Then, we will delve into memory as a horizon that is emerging out of the analysis as a transversal theme. From this point of view, we continue the analysis and progressively integrate the notions pertaining to the role of memory in the intergenerational transmission of values. Aspects of cultural background are apparent in the excerpts that we will quote supporting the themes we will refer to. We will more explicitly return to this in our conclusions. [less ▲]

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See detailA Survey of Challenges for Runtime Verification from Advanced Application Domains (Beyond Software)
Sánchez, César; Schneider, Gerardo; Ahrendt, Wolfgang et al

in Formal Methods in System Design (in press)

Runtime verification is an area of formal methods that studies the dynamic analysis of execution traces against formal specifications. Typically, the two main activities in runtime verification efforts ... [more ▼]

Runtime verification is an area of formal methods that studies the dynamic analysis of execution traces against formal specifications. Typically, the two main activities in runtime verification efforts are the process of creating monitors from specifications, and the algorithms for the evaluation of traces against the generated monitors. Other activities involve the instrumentation of the system to generate the trace and the communication between the system under analysis and the monitor. Most of the applications in runtime verification have been focused on the dynamic analysis of software, even though there are many more potential applications to other computational devices and target systems. In this paper we present a collection of challenges for runtime verification extracted from concrete application domains, focusing on the difficulties that must be overcome to tackle these specific challenges. The computational models that characterize these domains require to devise new techniques beyond the current state of the art in runtime verification. [less ▲]

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See detailUpdate Internationales und Europäisches Steuerrecht
Sinnig, Julia UL

in Taeger, Jürgen (Ed.) Tagungsband Herbstakademie 2019 (in press)

Im Juni 2019 stellte die Organisation für wirtschaftliche Zusammenarbeit und Entwicklung (OECD) das Arbeitsprogramm zur weiteren Ausarbeitung einer Anpassung des internationalen Ertragsteuerrechts an die ... [more ▼]

Im Juni 2019 stellte die Organisation für wirtschaftliche Zusammenarbeit und Entwicklung (OECD) das Arbeitsprogramm zur weiteren Ausarbeitung einer Anpassung des internationalen Ertragsteuerrechts an die neue wirtschaftliche Realität der digitalisierten Welt vor. Auf Ebene der Europäischen Union (EU) gilt die Verabschiedung der im März 2018 von der Europäischen Kommission vorgestellten Richtlinien-Vorschläge (RL-Vorschläge) zu einer Digitalsteuer und einer sog. signifikanten digitalen Präsenz, nach intensiver Diskussion im Rat, als unwahrscheinlich. Der Gerichtshof der Europäischen Union beschäftigt sich derzeit mit der unionsrechtlichen Vereinbarkeit nationaler Sonderabgaben, die umsatzbasiert erhoben werden. Dieser Beitrag bietet einen Überblick über wesentliche Entwicklungen im internationalen und europäischen Steuerrecht bzgl. der Besteuerung digitalisierter Unternehmen. Der Beitrag knüpft an den Vortrag von Prof. Dr. Jens M. Schmittmann und der Verfasserin anlässlich der Herbstakademie 2018 in Bochum, sowie dem Vortrag der Verfasserin anlässlich der Herbstakademie 2017 in Heidelberg an. [less ▲]

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See detailQualitätskonstruktionen - Zur Verarbeitung divergierender Qualitätsanforderungen in der Jugendarbeit
Biewers, Sandra UL

Book published by Beltz Juventa (in press)

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See detailTopologie culinaire au cinéma : le lieu commun du repas et ses déclinaison
Roelens, Nathalie UL

in Bibliothèque électronique Paris 8 (in press)

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See detailSituating difference as a valuable resource in education research
Siry, Christina UL

in Scantlebury, K. (Ed.) Moving science education into the 21st century: A festschrift in honor of Kenneth Tobin (in press)

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See detailFeasibility of Stellar as a Blockchain-based Micropayment System
Khan, Nida UL; Ahmad, Tabrez; State, Radu UL

in Springer SmartBlock 2019 - 2nd International Conference on Smart Blockchain (in press)

The advent of Bitcoin was heralded as an innovation in the global monetary system, that could bring down transaction fees by circumventing the need for third parties and conduct transactions in real time ... [more ▼]

The advent of Bitcoin was heralded as an innovation in the global monetary system, that could bring down transaction fees by circumventing the need for third parties and conduct transactions in real time. The divisibility of a blockchain cryptocurrency to even fractions of a cent, caused microtransactions to become feasible to formerly non-existent denominations. These microtransactions have spurred the development of novel ways of monetizing online resources and hold the potential to aid in alleviation of poverty. The paper conducts a feasibility study on Stellar as a blockchain-based micropayment system. It highlights the computational and other issues that impedes its progress and utilizes a characterization model for micropayment systems to evaluate the efficacy of the Stellar platform. The paper conducts a comparison with the micropayment solutions from Bitcoin, Ethereum and PayPal. The paper analyzes a subset of transactions from the Stellar blockchain to aid in drawing a conclusion on the undertaken study and elaborates on the mitigation tools to enable fraud prevention in online monetary transactions. [less ▲]

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See detailModel Uncertainty and Pricing Performance in Option Valuation
Bams, Dennis; Blanchard, Gildas; Lehnert, Thorsten UL

in The Journal of Derivatives (in press)

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See detailEmpirical Evaluation of Mutation-based Test Prioritization Techniques
Shin, Donghwan; Yoo, Shin; Papadakis, Mike UL et al

in Software Testing, Verification and Reliability (in press)

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See detailFox - Judaism
Schumacher, Jutta UL

in Encyclopedia of the Bible and Its Reception (in press)

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See detailThe Gamma Stein equation and non-central de Jong theorems
Döbler, Christian UL; Peccati, Giovanni UL

in Bernoulli (in press)

Detailed reference viewed: 169 (9 UL)
See detailClemens Brentano’s “Sound-Thing” (Klingding). Homophonic Translation in German Romanticism
Dembeck, Till UL

in Weissmann, Dirk; Broqua, Vincent (Eds.) Sound / Writing: traduire-écrire entre le son et le sens / Homophonic translation – traducson – Oberflächenübersetzung (in press)

Detailed reference viewed: 27 (0 UL)
See detailSklaverei war gestern? Menschenhandel im Europa des 21. Jahrhunderts
Veit, Charlotte UL; Nienaber, Birte UL

in Binsfeld, Andrea; Ghetta, Marcello (Eds.) Sklaverei und Identität (in press)

Detailed reference viewed: 58 (0 UL)