Promotor: Ronald Cramer, Co-promotor: Serge Fehr

On 19 December 2019, Reza Eftekhar defended his thesis 'The Role of the Domestic Law of the Host State in Determining the ratione materiae Jurisdiction of Investment Treaty Tribunals: The Partial Revival of the Localisation Theory'. The doctoral research was supervised by Prof. E. de Brabandere.

This article written by Marieke Liem & Alexander Kamprad investigates the relationship between terrorism and interpersonal violence. They conducted cross-national analyses on the effects of terrorism mortality rates on homicide rates. Results showed that terrorism appears to be robustly and positively…

Dutch and Colonial History

Our team is committed to the study of knowledge in its broadest sense, encompassing both ideas and practices in all its historical variety. We look at what people regarded as knowledge, how they created, collected, circulated and used it, also why it mattered to them, and how all this was embedded in…

Debates on political legitimacy in Dutch parliament in the 1880s, 1930s, and 1960s

This article explores how the meaning of the rule of law has evolved over the past century in UK and US parliamentary speeches, focusing on procedural (thin) and substantive (thick) conceptualisations.

The rise and fall of Dutch Brazil (1624-1654) was a major news story in early modern Europe, and marked the emergence of a

This book reveals how one publishing firm's editorial strategy helped to legitimate European colonialism in the early modern era.

We see computer programming as an essential skill. It enables you to be self-sufficient in building tools, processing data, visualizing research output, communicating research results, etc. Moreover, it empowers you to make beautiful things.

Are you considering to apply for the Creative Intelligence & Technology MSc program? Then make sure that you choose your study well-informed and that the program meets your expectations. These steps can help you to make a solid decision.

Research is meant to generate knowledge, in a rational and sensible way. Many research methods exist to do this, and creativity is an important factor. Our mission is to explore creative, playful, unexpected, and unconventional forms of academic research.

These aspects make the Creative Intelligence & Technology MSc program unique:

The Creative Intelligence Lab (CIL) is an interdisciplinary research lab that connects researchers with different backgrounds across the cognitive and computer sciences. It is affiliated to the Creative Intelligence & Technology MSc program.

Study European politics, society, and international relations across four major European cities: Prague, Leiden, Krakow, and Barcelona. This two-year joint Master's programme offers a unique interdisciplinary experience.

In December 2024, Cambridge University Press published the book Regulating Competition in the Digital Network Industry by Jasper van den Boom, Assistant Professor of EU competition law at the Europa Institute of Leiden University. The book introduces a new analytical framework for understanding competition…

Half a century ago, Martin Shapiro discovered that European constitutional scholarship was stuck at a stage of ‘constitutional law without politics’, presenting the EU ‘as a juristic idea; the written constitution as a sacred text; the professional commentary as a legal truth; the case law as the inevitable…

Keeping our planet healthy in a just and responsible way.

Knowledge that helps protect the Netherlands and Europe from military and cyber threats.

This project aims to produce empirical data on migration processes in non-Western locales, and to contribute to migration studies theory-building with new insights and through comparative perspective.

Discover the MSc The Politics of Artificial Intelligence at Leiden University: analyse who designs, controls and benefits from AI while using core Political Science theories to address regulation, ethics and global impact.

In this article, Meier & Nadler suggest that while non-citizen enfranchisement boosts participation across all citizens, citizens with immigration backgrounds are more reactive to the NCV rights in terms of higher turnout. In this way, the paper adds a critical nuance to individual-based explanations…

Environmental challenges such as plastic pollution and biodiversity loss require extensive monitoring. Citizen science, in which members of the public participate in scientific research, has therefore become an important approach in environmental science.

General information

This book focuses on transnationalism as a key concept to evaluate how Europe responds to cross-border security challenges.

This dissertation investigates how the efficiency of Computed Tomography (CT) can be improved for dynamic scientific and industrial applications.

Joe Finnerty has co-edited the 2026 Symposium in the Human Rights Law Review entitled Legitimate Aims and Ulterior Purposes in International Human Rights Law: Comparative Perspectives.

The minor Global Affairs is built on two pillars of International Relations: International Security and International Political Economy. This minor aims to provide students with the tools and knowledge to understand the most important global trends and challenges.

This research cluster centres on regional, national, and global intersections between a variety of artistic and cultural expressions and their role in society from 1800 onwards.

The CML Institute's Council (IC) consist of seven persons representing staff and students who are working in our institute. The council advises the management team on a broad range of topics that concern all CML staff members: financial matters, research programs, education and strategic outlines.

The Department of Civil Law is responsible for education and research in the field of civil law. We teach the master’s degree programme Civiel Recht (Civil Law LL.M.), attracting many students each year from Leiden and elsewhere.

Are you eager to explore traditional and experimental audiovisual methods for ethnographic research? Do you consider translating your research findings into a documentary? Are you highly motivated, committed and hard working? Then Visual Ethnography is the right specialisation for you! Visual Ethnography…

The integrity and reliability of academic research are of fundamental importance to the University. All parties, both within the University and outside, must be able to have confidence that our research is conducted in a scrupulous, fair, verifiable, impartial and independent manner. To make sure you…

Do you want to contribute to future proof health and care? Our healthcare faces major challenges such as staff shortages, ageing and increasing costs. During the two-year master programme Population Health Management you will become equipped to tackle these challenges to improve health. Knowledge from…

Do you want to contribute to future proof health and care? Our healthcare faces major challenges such as staff shortages, ageing and increasing costs. During the two-year master programme Population Health Management you will become equipped to tackle these challenges to improve health. Knowledge from…

Material Culture Studies revolves around the analysis of the cultural biographies of all sorts of material objects from flint axes, to pottery, to houses and monumental structures.

Studying the underlying principles of the nature of language.

The Supramolecular & Biomaterials Chemistry group comprises the PIs Alexander Kros, Roxanne Kieltyka and Gregory Schneider, and is active in the field of self-assembly of amphiphilic peptides and applying them in supramolecular chemistry.

This research comprises various sub-projects.

Jelena Vićić and Richard Harknett offer an analytical construct to better understand the mechanism by which cyber-enabled influence operations work

Bioarchaeology covers the study of all biological remains from archaeological sites.

The Department of Archaeological Sciences seeks to achieve the highest standards of excellence in science-driven education and archaeological research across the globe and across all periods.

On Easter Monday, the spring holiday that commemorates and celebrates returning life, A.G.H. Anbeek van der Meijden passed away. From 1982 to 2005 he was professor of Modern Dutch Literature at Leiden University. To everyone who knew him—whether personally, professionally, through his teaching, or through…

To overcome the limitations of slow and error-prone quality control, this research develops an advanced 3D imaging method for the rapid and reliable detection of internal defects in critical sectors.

The nineteenth century truly was an age of transformation. Throughout Europe processes of industrialization and urbanization, nationalization and centralization, changed the structures of society. It was an age in which the number of people living in urban communities grew substantially.

The nineteenth century truly was an age of transformation. Throughout Europe processes of industrialization and urbanization, nationalization and centralization, changed the structures of society. It was an age in which the number of people living in urban communities grew substantially.

The Young Academy Leiden (YAL) organises listening sessions across faculties. The aim of these listening sessions is to learn more about the wants and needs of (post-PhD) Early Career Researchers at Leiden University.