The War, Peace and Justice group unites scholars and practitioners to explore war dynamics, peace promotion, and justice’s role in conflict and global affairs.

Promotores: P. Stevenhagen, E. Fouvry (Univeriste Paris Saclay)

Truth is stranger than fiction. In 1997 Juan Maldaceña discovered a remarkable dictionary that translates equation for equation the physics of black holes in string theory into the more conventional physics of quantum mechanics of interacting particles. The remarkable possibility exists that…

Promotor: Prof.dr. P. Stevenhagen & Prof.dr. K. Belabas (Univ. de Bordeaux)

Enforcement of group cooperation fails because of discriminatory punishment, according to research by Welmer Molenmaker and colleagues. When group members have different backgrounds, punishment turns into a double-edged sword: no longer used just to prevent group exploitation, but also to break the…

How can cardiovascular responses index challenge and threat motivational states? How do challenge and threat states shape, and are shaped by, social relations?

The thesis focuses on synthesis strategies in oligosaccharide campaigns, and the influence of protecting groups.

The Educational Sciences programme group of the Institute of Education and Child Studies at Leiden University provides courses in the field of student education and the learning and development of children in the school context.

The focus of our theoretical research is understanding the behaviour of soft condensed matter, physical matter which is deformed or structurally altered by thermal fluctuations or small stresses.

The programme group Research Methods and Statistics offers support to researchers from a variety of research projects within Education and Child Studies.

The development of space resource activities is happening now. In the absence of a clear framework to govern these activities, there is a need to examine the concepts that are being discussed in order to ensure that they meet existing treaty obligations regarding on-orbit operations and space resource…

Interest groups play an important role in democratic society.

This book offers novel perspectives on the national and international dimensions of the post-war welfare state in Western Europe and North America.

The group Theoretical Physics of Life Processes, led by Helmut Schiessel, focuses on the physics of chromatin, the DNA-protein complex that fills the nuclei of eukaryotic cells.

The program group Learning and Behavior Problems in Education is located in the Faculty of Social and Behavioural Sciences of Leiden University near Central Station.

The program group Forensic Family and Youth Care Studies is located in the Faculty of Social and Behavioural Sciences of Leiden University near Central Station.

Students awarded the highest scores to Leiden University and the Radboud University Nijmegen. These are the findings of an annual survey by Elsevier into the best study programmes in the Netherlands. Elsevier Magazine has a weekly readership of half a million, making it one of the most iinfluential…

Annemarie Meijer benoemd als vertrouwenspersoon promovendi.

Promotor: Prof.dr. W.T.F. den Hollander, Prof. dr. E.A. Verbitskiy

The programme group Parenting, Child Care and Development is located in the Faculty of Social and Behavioural Sciences at Leiden University near Central Station.

Industrialised countries extract natural resources in the territories of indigenous peoples, and appropriate the knowledge and culture of these peoples. Leiden anthropologists work to protect the rights of indigenous peoples. Their knowledge and advice enable governments to source sustainable produc…

Most of current public-key cryptography is considered insecure against attacks from sufficiently powerful quantum computers. Post-quantum cryptography studies methods to secure information resistant against such attacks. One proposal is isogeny-based cryptography, which bases its security on computational…

Joris Larik, university lecturer at LUC, discusses in this interview with Al Jazeera the new trade and cooperation agreement between the EU and the United Kingdom.

Recently, Joris Larik, Assistant Professor at Leiden University College (LUC) of Leiden University, talked about the legal aspects of Brexit on Al Jazeera, as the United-Kingdom is trying to break national law during the Brexit negotiations. Could there be penalties for the United-Kingdom?

Sergei Boeke has once again proven that there are more roads than one that lead to Rome with his PhD research into al Qaeda in the Islamic Maghreb. It is both the core point of his conclusions as well as the leitmotiv for his approach. Boeke’s dissertation is comprised of five academic articles that…

Within the bachelor's program of Education and Child Studies, we include the minor Kindermishandeling en Verwaarlozing: een levensloopperspectief and several other courses.

Trail, FGGA’s internship platform will be one-year old in November. In the upcoming weeks, we will be interviewing some FGGA students who went on internships. What did they learn from their internships? And what tasks were assigned to them?

The aim of this study was to provide insight into how teachers in higher education can be supported in the design, implementation and evaluation of group assignments by developing a theoretical and evidence-based framework for the design of group assignments.

On 1 April 2020, Ivan Romashchenko defended his thesis 'Related Party Transactions and Corporate Groups: When Eastern Europe Meets the West'. The doctoral research was supervised by Prof. S.M. Bartman en Prof. A. Radwan (Kaunas, Lithuania).

In this article, Tokdemir & Klein examine the strategic actions of governments against domestic terrorist groups and domestic terrorist groups’ reactions to such actions.

Why does one person radicalize to involvement in terrorist violence within a group-based context, while another engages in this form of violence alone?

Can SMILE, our multi-component intervention, which combines cognitive-behavioural therapy for insomnia, mindfulness, stress, and lifestyle components, improve sleep quality? Can it also improve mood and quality of life and prevent depression and anxiety in the long term?

Which consumer groups post the greatest cost to public health and the planet through their food choices, and how can we use this fine-scale information to accelerate a sustainable dietary transition?

How does self-reliance lead to a decrease in collaboration for public goods?

Prof. dr. Joanne van der Leun is tot september 2025 door het College van Bestuur van de Universiteit Leiden herbenoemd als decaan van de faculteit Rechtsgeleerdheid.

Open Science verandert de manier waarop onderzoek wordt gedeeld en wordt samengewerkt. Anna van ’t Veer won een award voor haar Open Science-activiteiten.

Meloni’s plan om asielzoekers in Albanië op te vangen blijkt door juridische complicaties niet haalbaar. Mark Klaassen, universitair docent migratierecht, bespreekt de kwestie in RTL nieuws.

Monique Koemans werkt sinds 2,5 jaar op de Nederlandse ambassade in de Verenigde Staten. 'Leiden is een opvallende rode draad in mijn leven.'

Hoogleraar Internationaal recht bij het Grotius Centre for International Legal Studies, Larissa van den Herik is in augustus 2024 beëdigd als rechter-plaatsvervanger bij de Rechtbank Den Haag.

This article discusses the impact of symbolic gender representation on the willingness of citizens to coproduce.

This study seeks to partially fill the knowledge gap about national culture in Africa, basing its research on data on ethnolinguistic groups (instead of administrative regions).

How did free agents cooperate with the VOC and the WIC, through lobbying for private interests within the Companies as well as at the highest political levels?

Key publications of the Antiviral Pharmacology group.

With the rise of information and communication technologies, large amounts of data are being generated and stored in databases. In order to get a better grip on these large amounts of data, serious efforts are being made to discover patterns and relations in the data with the help of new techniques.…

Research in the Jawerth lab focuses on using principles from soft condensed matter physics to understand important biological materials.

The research in my group addresses a range of topics related to quantum many-body physics.

Bones hold a wealth of information about a person’s life, revealing details about where they came from, how old they were when they died and what diseases they may have had. Scientists can use this data to piece together aspects of an individual's life, offering valuable insights that can help address…

Since 2012, thousands of individuals have traveled from Western countries to join jihadist groups in Syria and Iraq. While much has been written about these individuals, only sparse attention has been paid to the social environment of these jihadist travelers and, more specific, the role of family members…