In this dissertation several settings in the Online Learning framework are studied. The first chapter serves as an introduction to the relevant settings in Online Learning and in the subsequent chapters new results and insights are given for both full-information and bandit information settings.

In ten years, it is projected that ten percent of global civil aviation operations will be unmanned. Are the current international aviation laws and regulations up to these technological developments? Fernando Fiallos will defend his dissertation on 14 November 2019.

Recently, Dr Gül Aktürk Hauser took up the position as Assistant Professor at the department of Heritage and Society. Originally an architect, she got caught up in the study of historical vernacular buildings in northeastern Turkey. Now her focus lies on the impact of climate change on cultural heri…

On Thursday October 30th Brendan Carroll successfully defended his PhD dissertation entitled:

This article illustrates how the term 'dual use' has become associated with a broader dichotomy between ‘legitimate’ and ‘illegitimate’ purposes.

When migrating from China to Siberia, a few intermediary food stops are not a luxury. For migratory birds, they are even crucial for their survival. However, climate change is altering the seasonal availability of food at these stops. Environmental scientist Yali Si has discovered that because of this,…

Engaged, active students who can see the links within their discipline. These are key aims of the University vision on teaching and learning, but how do you achieve them? An interdisciplinary research team led by ICLON has developed an inventive method that helps lecturers do just that.

Evaluations of a most challenging year to both staff and students in terms of teaching and education support have turned out remarkably well. Although we had to switch to online education almost overnight, we pulled it off!

Loopholes in international tax legislation contribute to the misuse of tax rules by multinationals. Leiden University legal experts investigate how the complex national and international tax rules can be made more consistent in order to create a better tax system.

More than 5,000 exoplanets have been found over the past couple of decades. These exoplanets show a tremendous diversity, ranging from scorching hot Jupiters, common super-Earths, to widely separated super-Jupiters on the planet/brown dwarf boundary.

Promotors: Prof.dr. G.R. de Snoo, Prof.dr. H. Leirs (Univ. Antwerpen), Co-promotor: H.H. de Iongh

On 29 November 2018, Roberto van den Heuvel zijn defended his thesis 'Duidelijkheid van fiscale wetgeving'. The doctoral research was supervised by prof. dr. A.O. Lubbers en prof. dr. H. Vording.

Latent variable modeling of students' solution strategies and performance

The research described in this thesis focused on the use of bioorthogonal antigens to investigate immunological processes in antigen presenting cells. Bioorthogonal antigens are antigenic proteins produced through recombinant expression in a methionine auxotrophic E. coli strain.

On 4 March 2021, Michiel Spanjers defended his thesis 'Belastingbudget'. The doctoral research was supervised by Prof. J.P. Boer and Prof. H. Vording.

This thesis describes the development and validation of new high-contrast imaging techniques, with the ultimate goal of enabling the next generation of instruments for ELT-class telescopes to directly image Earth-like extra-solar planets orbiting around nearby stars.

Read about our recent research projects below.

How, when and why the EU legislates to facilitate the private enforcement of EU law before national courts.

The prestigious American Journal of Comparative Law (2016, pp. 790-4) just published a book review of Sofia Ranchordas monograph ‘Constitutional Sunsets and Experimental Legislation’ (Edward Elgar). The book is partially based on her PhD dissertation for which she was awarded a cum laude doctorate degree…

Beyond the immediately visible plenum, parliaments are highly complex institutions. They work through various venues in which decisions are prepared or even taken. The two main institutions in this regard are parliamentary party groups, which comprise legislators who are elected under the same party…

The central question of this Vici proposal is to investigate if, and how actinobacteria exploit life without a cell wall.

In the thesis the dynamics of strategies is studied from two perspectives.In the first part of the thesis strategies are considered to be opinions present in a community.

The transition from Middle to Upper Paleolithic is a major biological and cultural threshold in the construction of our common humanity. Technological and behavioral changes happened simultaneously to a major climatic cooling, forcing human populations to develop new strategies for the exploitation…

The widespread idea that politics is mediatised needs to be revised. Although media attention heavily influences some political processes, this is not the case when it comes to lawmaking. Lotte Melenhorst, a political scientist at Leiden University, analysed three heavily covered legislative processes…

The United States and the European Union need to work together more closely in the field of the law to fight terrorists and criminals who are operating increasingly internationally. This was the advice given by American Minister of Justice Loretta Lynch during her visit to Leiden University on 1 Jun…

Providers of telephone, internet or data centers can be seen as companies of vital importance because of their national importance. This comes as no surprise. In the Netherlands, additional legislation was deemed necessary to protect national security and a legislative proposal was presented in April…

This thesis focuses on the question: What is the content of mentor teachers’ practical knowledge of adaptive response to their mentee teachers’ learning?

Here you can find an overview of the offered courses provided by the Department of Economics per study program.

Under Dutch law, like German or English law, the violation of a statutory provision does not establish civil liability for damage caused to another person. Such liability requires that the statutory provision concerned aims to protect against the damage or, put differently, that the harmed interest…

Leiden experts research ways in which European legislation is converted into national legislation. Knowing how this process works can inspire policy-makers trying to achieve their aims while abiding to Europan legislation.

Just published: United in incoherence – Private law concepts under pressure from European financial law (in Dutch), in: Tijdschift voor privaatrecht 2017-4

The sustainable business law research group is dedicated to researching the complex relationship between business activities and sustainability. It strives to develop legal solutions that contribute to a more ethical, just, ecologically responsible and socially inclusive society. Our aim is to develop…

PhD defence

The work in this thesis describes the fundamental role of Lkb1 as a conductor of metabolism-related processes in zebrafish larvae.

PhD defence

It researches (the possibilities for) the development of a set of principles and best practices for insolvency office holders by comparing multilateral treaties and soft law recommendations and national legislation within Europe.

On Thursday 8 December, Fred van Haasteren has defended his doctoral thesis ‘Fatsoenlijke flexibiliteit – De invloed van ILO-conventie 181 en de regelgeving omtrent uitzendarbeid’ (Decent flexibility - The influence of ILO Convention 181 and legislation on temporary agency work) at the Academy Building…

Social Policy is increasingly incorporated as a subject of European law. The Social Dialogue with labour and management organisations leads to agreements that can be transformed into Directives of the Council

Moritz Jesse, Associate Professor of EU Law at the Europa Institute, has published his book, “The Civic Citizens of Europe: The Legal Potential for Immigrant Integration in the EU, Belgium, Germany, and the United Kingdom”.

This year The Netherlands once again chairs the EU Council. In the book ‘Fit for the Future’ Leiden researchers reflect on the priorities that the Dutch presidency has put forward for 2016 and raise the question: is the EU fit for the future?

Commercial parties offering space travel, space waste, claiming the moon, potentially exploiting resources ... It’s going to get busy in space in the coming years. But there are no clear agreements about this. Tanja Masson-Zwaan, Assistant Professor of Space Law, talked about the topic in Spraakmakers…

PhD defence

The article deals with the influence of the Agreement on the Free Movement of Persons between Switzerland and the EU on the international tax separation, more specifically on the tax separation of tax deductions for natural persons.