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.

Combining different disciplines, researchers work together to formulate innovative solutions to societal problems.

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.

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.

“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.

The School for Digital Deaf Studies 2025 is a hybrid school consisting of one week school in person in Ghana (J15 - 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 second call-for-papers has now closed and those who have submitted an abstract will hear whether their papers have been accepted or rejected by the end of November. The organizing team is keeping an eye on all developments regarding the Coronavirus and will decide in December whether ICEHL-21 will…

A novel in vivo model system for studies on glucocorticoid resistance

(1) What are the institutional factors that influence AI adoption and implementation? and (2) How does AI reshape the exercise of administrative discretion within public organisations, and how do adoption and implementation choices moderate these effects?

Computers are capable of making incredibly accurate predictions on the basis of machine learning. In other words, these computers can learn without intervention once they have been pre-programmed by humans. At LIACS, we explore and push the borders of what a revolutionary new generation of algorithms…

Since 2021, our Master's programme is also available in a part-time format. This option allows students to engage in 2-3 days of self-study per week, with one dedicated day on campus. The programme is spread over a period of two years, offering a structured approach to advanced education while providing…

The research in the Biosyn group is focused on the design, synthesis and function of the four major types of biomolecules: nucleic acids, carbohydrates, peptides and lipids and hybrid structures thereof. These biomolecules and their derivatives are used in drug discovery and chemical biology, to develop…

How can the concept of Critical Making be expanded into a general approach that ties the critical methodology of artistic research, and the established concepts of artistic autonomy, together with contemporary creative-technological development?

Bordering Up: Regulating Mobility Through Passes, Walls and Guards

In our HANDS!Lab for Sign Languages and Deaf Studies, we run projects pertaining to sign language linguistics with a focus on Africa. In addition, we are running projects on sign language teaching, tactile signing, deaf people’s experiences with the legal system, and deaf history.

What is the neurocognitive structure of human navigation ability? What different types of navigation impairment can be distinguished? How can navigation impairment best be diagnosed and treated? How can tools like serious gaming and virtual reality be used to diagnose and treat navigation impairment…

Many important topics in computer science, such as the correctness of software, the efficiency of algorithms and the modeling of complicated systems, depend on sound theoretical underpinnings. In the Theory group, we study these fundamental building blocks and develop verification methods to prove system…

In July 2022, Leiden hosted the ESOF conference.

Democracy in Action is a Horizon Europe-funded initiative exploring how grassroots movements, cultural spaces, and digital innovations can strengthen democratic participation. With a special focus on youth, women, ethnic minorities and night culture, we bring together researchers, grassroots movements,…

This one-year, English-taught Master's programme offers insights on general developments as well as the specific challenges in the field of the governance of crisis and security, with in-depth knowledge of sub-fields of crisis and security management.

How can we understand the material instability of photographic (mixed media) artworks (1960s - present) from an integrated approach of Art History, Conservation Science and Chemistry in order to preserve these works for the future?

At Leiden University College (LUC), engagement with international societal partners occurs through research, education, and internships, fostering mutually beneficial collaborations with NGOs, public service institutions, and international counterparts.

This one-year, English-taught Master's programme offers insights on general developments as well as the specific challenges in the field of the governance of crisis and security, with in-depth knowledge of sub-fields of crisis and security management.

Research at the Macromolecular Biochemistry group is comprised of the following research themes:

Leiden University’s Master of Laws in Advanced Studies in International Financial Law (L.L.M.) examines the complex, international and multidisciplinary area of law and finance: markets, regulation and a sustainable society.

On Thursday 27 October 2016 Alke Metselaar will defend her PhD dissertation ‘Drie rechters en één norm. Handhaving van de Europese staatssteunregels voor de Nederlandse rechter en de grenzen van de nationale procedurele autonomie’ (Three courts and one standard. Enforcement of European state aid regulations…

The Netherlands-Flemish Institute is offering an internship in Cairo from March 2018 onwards. If you are interested please apply before February 15, 2018. (See the details in Dutch only)

The Netherlands-Flemish Institute is offering an internship in Cairo from January 2019 onwards. If you are interested please apply before 20 December, 2018. (See the details in Dutch only)

The Institute for History announces vacancies for three PhD positions on Rethinking Disability: the Global Impact of the International Year of Disabled Persons (1981) in Historical Perspective and one PhD position to conduct research on the United Nations Transitional Authority in Cambodia (UNTAC).