Computers are becoming ever more powerful and are taking on more complex tasks. The Leiden Institute of Advanced Computer Science (LIACS) contributes to revolutionary scientific research and applies the latest inventions in the field, offering answers to today’s questions of society.

COI@Leiden organises activities and events throughout the year. These include a monthly seminar series on topics relating to conflict resolution and PhD labs to assist COI students in developing their research skills.

This open access volume surveys the state of the field to examine whether a fifth wave of deterrence theory is emerging. Bringing together insights from world-leading experts from three continents, the volume identifies the most pressing strategic challenges, frames theoretical concepts, and describes…

The Metabolic syndrome affects over 5 million people in the Netherlands. The HealthBox is an initiative from LUMC and NeLL to provide an innovative solution to help prevent and manage this chronic condition.

Within the Comparative Religion Network staff and graduate students from LIAS-LUCSoR (and beyond) discuss ongoing work and cooperate on key issues in the comparative and systematic study of religion.

Leiden University College The Hague (LUC) offers a 3-year Bachelor's programme with a focus on Global Challenges: Peace & Justice, Sustainability, Diversity and Prosperity. The programme offers room for flexibility; you get to specialize in a major of your choice and combine this with a minor or electives.…

LUCDH facilitates workshops that promote the acquisition of skills and knowledge in employing digital tools. Workshops are held in person, and rarely hybrid.

The course is taught by experts from Leiden University’s Institute of Security and Global Affairs, alongside leading practitioners. Their expertise spans international relations, security policy and counterterrorism, bridging academic insight with real-world experience.

Do understudied animals contain hidden species?

High Performance Computing (HPC) is becoming ever more important as a research tool in many research areas across all research domains. A University facility, providing serious computational capabilities, combined with easy and flexible local access, is a strong advantage for these research areas. It…

The Leiden Summer School in Languages and Linguistics 2026 offers a varied program of introductory as well as more advanced courses in Anatolian, Classics, Descriptive Linguistics, Language Documentation, Eastern Christianity, Germanic, General Linguistics, Historical Linguistics, Indo-European, Indology,…

They have known each other since they were small but Rianne and Tom first fell in love when working together at the university. That love culminated in a fairytale wedding amid all the revelry last 3 October.

You can find an overview of events organized by the Platform for Post-Colonial Readings below.

At the annual conference of the Nederlandse Vereniging voor Wetgeving (the Dutch association for legislation) that was held in the Auditorium of the Ministries of Internal Affairs and Kingdom Relations and Justice and Security in The Hague on Thursday 6 October, Gert Jan Geertjens defended the draft…

Research projects for students of the University of Leiden and other Dutch Universities are often available at the MacBio group. The research lines are also described in the Research section. For details of specific projects contact the supervisor (Ubbink, Dame, Boyle, Jeuken or Wentink).

How can we understand the drum-set – and thus drummer – as technological? How have technological developments affected change in drum-set performance and drum-set construction? Are the relationships between new technologies and the drummer symbiotic, or one way? To what extent are instruments and (reactive)…

Can you talk for three minutes in glowing terms about your science or medical research? If so, sign up for the Leiden preliminary round of FameLab, the international competition for science communication.

The Case of the Painted Plaster

Shifting the Compass: Pluricontinental Connections in Dutch Colonial and Postcolonial Literature

Make sure you have a suitable place to work or study.

The School for Digital Deaf Studies 2025 is a hybrid school consisting of one week school in person in Ghana (15 - 24 August), followed by a one week school online later this year. It aims for the capacity building needed to expand academic research and education activities in digital Deaf studies,…

The quantum nature of matter and light has grown into a broad and fruitful research field for theorists and experimentalists alike. It combines foundational research with toward applications, the most well known of which is the quantum computer.

Understanding the evolving landscape of extremism in the 21st century.

Subproject of

We review the state-of-the-art in the theory of dissociative chemisorption (DC) of small gas phase molecules on metal surfaces, which is important to modeling heterogeneous catalysis for practical reasons, and for achieving an understanding of the wealth of experimental information that exists for this…

This collection, edited by Sophie Vériter, Monica Kaminska, Dennis Broeders and Joachim Koops, includes six papers exploring and investigating European responses to COVID-related disinformation, specifically the responses of France, Sweden, Germany, the United Kingdom, Serbia, and Hungary.

If an algorithm has to learn to understand language, simply having a lot of data doesn’t help much. Like us, a computer has to learn the language in interaction with others. Tessa Verhoef is fascinated by how this interaction works.

What are the rights of migrants in Morocco and how do this receiving state and migrants deal with them in practice?

Multinationals use loopholes in the tax treaties between different states. A possible solution would be to eliminate all these loopholes in one go by creating a central global treaty. Leiden researchers are investigating whether this kind of mega-treaty is feasible.

On this page you will find more information about the selected projects of the Justice, Equity, Diversity and Inclusion (JEDI) Fund for 2026.

Leiden Institute of Advanced Computer Science (LIACS)

This research cluster is a part of the Institute of Political Science’s research programme ‘Institutions, Decisions and Collective Behaviour’. Its members focus on the democratic role of citizens and the representative links between voters and politicians.

The War and Peace Studies track offers you a comprehensive understanding of the historical, theoretical, and practical dimensions of war and peace, while addressing the complex challenges of conflict and peacebuilding in the contemporary world.

Below, you can find the answers to frequently asked questions about the Summer School.

Over a thousand researchers and students protested in Leiden on 2 September against the plans to transfer money to science and technology at the expense of other disciplines. Just metres away, Minister of Education, Culture and Science, Ingrid van Engelshoven, was giving a speech at the opening of the…

Hybrid Symposium: Medieval miniatures from Byvanck to the RKD. 18 March 2025, Den Haag.

Language courses from February onwards

Children are not always immediately helped due to staff shortages. For years, youth protection agencies have used an emergency protocol. Mariëlle Bruning, Professor of Children and the Law in ‘Trouw’: ‘It’s shocking that an emergency protocol has been used for three years.’

The Dutch legal system perhaps appears at first sight not to be very suited for strategic litigation by interest groups. But judgments such as SyRI and Urgenda show that when an interest group does fulfil all the conditions, anything can happen in court.

De Raad van Advies bestaat uit leden die een binding hebben met de faculteit. Daarnaast zijn zij goed thuis in de wereld van de advocatuur, de rechterlijke macht, de overheid en het bedrijfsleven. Het faculteitsbestuur gebruikt de adviezen van de Raad van Advies bij de beleidsontwikkeling van de faculteit…

Although he works for the Deloitte international management consulting firm, Robin Bergman identifies himself as an "artist, designer and researcher". He is fascinated by technology and nature, and the tensions that exist between them.

How do you offer proper education in times of corona? Annebeth Simonsz (Educational Advice and Quality Assurance) and Anna Benjamins (ECOLe) work closely together to support lecturers in hybrid and online education. They are happy to share with the faculty, lecturers’ creative solutions for the new…

She has had the idea for seven years, but now environmental scientist and conservation biologist Kat Stewart finally gets to work on it. She has been awarded a Vidi grant by NWO to find out how DNA from water can be used to shed light on invasive species and their impact on native populations.

For many teachers, they are a lifesaver: the people at the Science Teacher Support Desk. When a teacher has technical problems, they come to the rescue immediately. Veerle Warnders is one of them and she tells us what is so great about her job.

In the last week of January, Prof. Rex Arendsen and PhD candidate Maarten Manse of the Department of Tax Law at Leiden Law School, taught an ‘Intensive Course on Tax Law' at the Gadjah Mada University (UGM) in Yogyakarta. This week of lectures illustrates the fruitful cooperation between both univer…

“Go Within”, saxophonist and ACPA PhD Don-Paul Kahl's debut solo album features the techniques of saxophone playing without mouthpiece.

To organise an Academy Colloquium on 'The New Authoritarianism: Russia and China in Comparative Perspective', in cooperation with André Gerrits.

On 12 December, GTGC's Chair, Prof. Jan Aart Scholte delivered the Cleveringa Lecture in Istanbul.

Biotechnological developments are moving fast. From genetically modified plant varieties we are now moving to cultured meat. These developments require moral interpretation - and they get it in the form of art. Lotte Pet wrote a dissertation about it.