References of "2019"
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See detailNeurocognitive components of gambling disorder: Implications for policy, prevention , and treatment
Navas, Juan F.; Billieux, Joël UL; Verdejo-Garcia, Antonio et al

in Bowden-Jones, H; Dickson, C; Dunand, C (Eds.) et al Harm Reduction for Problem Gambling: A Public Health Approach (2019)

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See detailActivité sexuelle et contraception chez les adolescents au Luxembourg
Catunda, Carolina UL

Conference given outside the academic context (2019)

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See detailLuxemburg - Stadtentwicklung von den Anfängen der Festung im 16. Jahrhundert bis zu ihrer Schleifung 1867
Uhrmacher, Martin UL

in Uhrmacher, Martin; Kass, Steve; Pauli, Sebastian (Eds.) Luxatlas.lu - Ein digitaler und interaktiver historischer Stadtatlas Luxemburgs (2019)

Kurzer Abriss der Stadtgeschichte Luxemburgs von den Anfängen der Festung im 16. Jahrhundert bis zu ihrer Schleifung 1867. Teil des digitalen und interaktiven Stadtatlas Luxemburgs: https://www.luxatlas.lu

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See detailOn partial-sum processes of ARMAX residuals
Holcblat, Benjamin UL; Gronneberg, Steffen

in Annals of Statistics (2019), 47(6), 3216-3243

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See detailConference 'SL2R Days'
Palmirotta, Guendalina UL; Voglaire, Yannick; Olbrich, Martin UL

Report (2019)

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See detailLes nouvelles dispositions européennes en matière de mobilité transfrontalière : légitimation du retour à une certaine forme de protectionnisme ?
Corbisier, Isabelle UL

in Revue Pratique des Sociétés - Tijdschrift voor Rechtspersoon en Vennootschap (2019)

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See detailDistance-based vertex identification in graphs: The outer multiset dimension
Gil-Pons, Reynaldo; Ramirez Cruz, Yunior UL; Trujillo-Rasua, Rolando et al

in Applied Mathematics and Computation (2019), 363

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See detailProfit taxation and royalties: evidence from gold mines in Sub-Saharan Africa
Bertinelli, Luisito UL; Bourgain, Arnaud UL; Zanaj, Skerdilajda UL

E-print/Working paper (2019)

In this paper, we analyze theoretically and empirically the effects of tax changes on firms’ profits in extractive industries. In the theoretical part, we assume a country that levies a profit tax and a ... [more ▼]

In this paper, we analyze theoretically and empirically the effects of tax changes on firms’ profits in extractive industries. In the theoretical part, we assume a country that levies a profit tax and a royalty on the profits of extractive firms to maximize its tax revenues. The mining companies may reduce their taxable income by cost manipulation. By analyzing the optimal choice of the government and of the firms, we first establish the optimal tax policy and then we investigate the impact of the optimal fiscal policy on firms’ profits. In the empirical part of the paper, we estimate the effect of the profit tax and royalty on the extracting firms’ profit in African countries during the period spanning from 2007 to 2018. We use the Mining Intelligence database to constitute a panel of annual individual data from a database of 363 gold mines located in 21 Sub-Saharan countries. We obtain an inverse relationship between the tax rate change of the two tax instruments and the profit of the firms. [less ▲]

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See detailMachine learning for physical-layer security: Attacks and SLP Countermeasures for Multiantenna Downlink Systems
Mayouche, Abderrahmane UL; Spano, Danilo; Tsinos, Christos UL et al

Scientific Conference (2019, December)

Most physical-layer security (PLS) work employ information theoretic metrics for performance analysis. In this paper, however, we investigate PLS from a signal processing point of view, where we rely on ... [more ▼]

Most physical-layer security (PLS) work employ information theoretic metrics for performance analysis. In this paper, however, we investigate PLS from a signal processing point of view, where we rely on bit-error rate (BER) at the eavesdropper (Eve) as a metric for information leakage. Meanwhile, recently, symbol-level precoding (SLP) has been shown to provide PLS gains as a new way for security. However, in this work, we introduce a machine learning (ML) based attack, where we show that even SLP schemes can be vulnerable to such attacks. Namely, this attack manifests when an eavesdropper (Eve) utilizes ML in order to learn the precoding pattern when precoded pilots are sent. With this ability, an Eve can decode data with favorable accuracy. As a countermeasure to this attack, we propose a novel precoding design. The proposed countermeasure yields high BER at the Eve, which makes symbol detection practically infeasible for the latter, thus providing physical-layer security between the base station (BS) and the users. In the numerical results, we validate both the attack and the countermeasure, and show that this gain in security can be achieved at the expense of only a small additional power consumption at the transmitter. [less ▲]

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See detailLuxemburg - Stadtentwicklung von den Anfängen bis zum Ende des Mittelalters
Uhrmacher, Martin UL

in Uhrmacher, Martin; Kass, Steve; Pauli, Sebastian (Eds.) Luxatlas.lu - Ein digitaler und interaktiver historischer Stadtatlas Luxemburgs (2019)

Kurzer Abriss der Stadtgeschichte Luxemburgs bis zum Ende des Mittelalters. Teil des digitalen und interaktiven Stadtatlas Luxemburgs: https://www.luxatlas.lu

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See detailTowards a complexity turn in border studies? Rückblicke und Ausblicke
Wille, Christian UL

Presentation (2019, December)

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See detailLinear system identification from ensemble snapshot observations
Aalto, Atte UL; Goncalves, Jorge UL

in Proceedings of the IEEE Conference on Decision and Control (2019, December)

Developments in transcriptomics techniques have caused a large demand in tailored computational methods for modelling gene expression dynamics from experimental data. Recently, so-called single-cell ... [more ▼]

Developments in transcriptomics techniques have caused a large demand in tailored computational methods for modelling gene expression dynamics from experimental data. Recently, so-called single-cell experiments have revolutionised genetic studies. These experiments yield gene expression data in single cell resolution for a large number of cells at a time. However, the cells are destroyed in the measurement process, and so the data consist of snapshots of an ensemble evolving over time, instead of time series. The problem studied in this article is how such data can be used in modelling gene regulatory dynamics. Two different paradigms are studied for linear system identification. The first is based on tracking the evolution of the distribution of cells over time. The second is based on the so-called pseudotime concept, identifying a common trajectory through the state space, along which cells propagate with different rates. Therefore, at any given time, the population contains cells in different stages of the trajectory. Resulting methods are compared in numerical experiments. [less ▲]

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See detailGamification of psychological tests: three lessons learned
Sonnleitner, Philipp UL

in Testing International (2019), 42

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See detailLuxatlas.lu - Ein digitaler und interaktiver historischer Stadtatlas Luxemburgs
Uhrmacher, Martin UL; Kass, Steve UL; Pauli, Sebastian

Book published by University of Luxembourg (2019)

Seit Ende 2016 widmet sich das universitäre Forschungsprojekt VILLUX X in Zusammenarbeit mit der Stadt Luxemburg der Erstellung eines digitalen historischen Atlas. Dieser zeigt die städtische Entwicklung ... [more ▼]

Seit Ende 2016 widmet sich das universitäre Forschungsprojekt VILLUX X in Zusammenarbeit mit der Stadt Luxemburg der Erstellung eines digitalen historischen Atlas. Dieser zeigt die städtische Entwicklung Luxemburgs seit Beginn des 19. Jahrhunderts in Form von digitalen und interaktiven Karten. In mehreren Zeitschnitten ab den 1820er Jahren lassen sich die tiefgreifenden Wandlungsprozesse der Stadt und ihr Wachstum interaktiv nachvollziehen: Von der engen Festungsstadt des frühen 19. Jahrhunderts bis zur großflächigen, internationalen Metropole des 21. Jahrhunderts. Die Stadtentwicklung ist für diesen Zeitraum in vielen Bereichen noch immer wenig erforscht. Das überrascht, denn Luxemburg hat im Vergleich zu anderen europäischen Städten in den letzten 200 Jahren besonders tiefgreifende Veränderungsprozesse durchlaufen: Von einer mittelgroßen Festungsstadt der frühen Neuzeit, die sich erst nach 1867 von ihrem einengenden Militärkorsett befreien konnte, bis hin zu einer modernen europäischen Hauptstadt des frühen 20. Jahrhunderts. Dann, in der Nachkriegszeit, wurde die Stadt zu einem der drei Hauptverwaltungssitze der Europäischen Union. Und ab den 1970er Jahren entwickelte sie sich darüber hinaus zu einem internationalen Finanzzentrum. Heute ist Luxemburg zweifellos die wirtschaftlich, politisch und kulturell bedeutendste Stadt der Großregion mit einem ausgeprägten kosmopolitischen Flair. Ziel des Luxatlas-Projekts ist es, die Voraussetzungen und Merkmale dieser Entwicklung sowie die wirtschaftlichen, sozialen und politischen Rahmenbedingungen nachzuzeichnen und zu analysieren. Es sind vor allem raumbezogene Fragstellungen, die dabei in historischer Perspektive mit dem digitalen und interaktiven Stadtatlas in den Blick genommen werden. Der Atlas lässt sich in diesem Sinne definieren als eine Sammlung von Karten, Bildern und erläuternden Texten. Er bündelt und verknüpft relevante Daten von städtischen und nationalen Behörden und Kultureinrichtungen sowie auch von unterschiedlichen Forschungsdisziplinen wie Geschichte und Geographie und stellt diese in überarbeiteter Form den Nutzern zur Verfügung. Luxatlas.lu ermöglicht es, historische Veränderungsprozesse des 19. und 20. Jahrhunderts diachron zu dokumentieren und gleichzeitig traditionelle Entwicklungsvorstellungen in Frage stellen. Zugleich etabliert er neue Methoden und Konzepte zur Standardisierung von Online-Karten und wird somit selbst zu einem Instrument zusätzlichen Erkenntnisgewinns für seine Nutzer. [less ▲]

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See detailEvery quasitrivial n-ary semigroup is reducible to a semigroup
Couceiro, Miguel; Devillet, Jimmy UL

in Algebra Universalis (2019), 80(4),

We show that every quasitrivial n-ary semigroup is reducible to a binary semigroup, and we provide necessary and sufficient conditions for such a reduction to be unique. These results are then refined in ... [more ▼]

We show that every quasitrivial n-ary semigroup is reducible to a binary semigroup, and we provide necessary and sufficient conditions for such a reduction to be unique. These results are then refined in the case of symmetric n-ary semigroups. We also explicitly determine the sizes of these classes when the semigroups are defined on finite sets. As a byproduct of these enumerations, we obtain several new integer sequences. [less ▲]

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See detailVerification and abstraction of real-time variability-intensive systems
Cordy, Maxime UL; Legay, Axel

in International Journal on Software Tools for Technology Transfer (2019), 21(6), 635-649

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See detailOn the Formal Structure of Rules in Conflict of Laws
Markovich, Réka UL

in Legal Knowledge and Information Systems 2019 (proceedings) (2019, December)

Law has different methods and principles to resolve conflicts between norms, most of these come from Roman Law, they are well-known and much discussed. There is a whole branch of law, though, which is ... [more ▼]

Law has different methods and principles to resolve conflicts between norms, most of these come from Roman Law, they are well-known and much discussed. There is a whole branch of law, though, which is much less discussed while having been created exactly in order to resolve special conflicts: conflict of laws. This system within Private International Law is dedicated to providing metarules in legal situations where more than one national legal systems’ rules could be applied: CoL rules indirectly settle the situation by declaring which one’s should. The formal representation of how these rules work contributes not only to the modelling of this branch of law but also provides methodologies for concerns arising from other conflicting normative systems, such as ethically sensitive situations where there are multiple stakeholders with different moral backgrounds. [less ▲]

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