It recently emerged that a Swiss firm secretly owned by the CIA and the West German intelligence service BND had been selling manipulated coding equipment to numerous governments, including allies, to spy on them through a Swiss cover firm for years.

Anna van Buerenplein, Anna van Buerenplein 301, 2595 DG, The Hague

The Tragedy Of The Stupid Nation retraces three decades of political instability during which the people of the Central African Republic suffered from several waves of violence that led to the breakdown of the social cohesion between the different communities (first along ethnic, then along religious…

We show that Kirchhoff ’s law of conservation holds for non-commutative graph flows if and only if the graph is planar. We generalize the theory of (Euclidean) lattices to infinite dimension and consider the ring of algebraic integers as such a lattice.

Statistical distributions in LCA and converting between different representations of these distributions.

We are currently gathering information about how safe Leiden’s residents feel. To do this, we are using online surveys that give us an idea of perceptions of safety in Leiden.

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Do you want to apply for the bachelor’s programme Dutch Studies at Leiden University? Find out how to apply by following the step-by step guide below.

From black holes to artificial intelligence and from drug research to data science: welcome to the fascinating world of the Faculty of Science. Our researchers, students and guests regularly give public lectures about their work. You are welcome to attend.

In celebration of our 450th anniversary, special anniversary merchandise is available for purchase at the University Shop.

The Leiden Risk & Regulation Lab serves as hub for excellent research in regulation and risk governance and acts a platform for engagement with the practice and education of regulation and risk governance. Specializing in risk governance, responsive and effective regulation, reputation and accounta…

Find out how to apply for Religious Studies at Leiden University by following our step-by step guide.

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Do you want to apply for this master’s programme at Leiden University? Find out how to apply for your programme by following the step-by step guide below.

Do you want to apply for the bachelor’s programme Philosophy: Global and Comparative Perspectives at Leiden University? Find out how to apply by following the step-by step guide below.

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This guide will give you the necessary help and guidance in submitting your application for the master’s specialisation Clinical Psychology at Leiden University.

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Do you want to apply for this master’s programme at Leiden University? Find out how to apply for your programme by following the step-by step guide below.

Do you want to apply for this master’s programme at Leiden University? Find out how to apply for your programme by following the step-by step guide in the application and admission section.

Do you have any questions about the minor ‘(Inter)national tax planning and policy’? Please contact us!

Do you want to apply for the bachelor’s programme English Language and Culture at Leiden University? Find out how to apply by following the step-by step guide below.

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Do you want to apply for the bachelor’s programme International Studies at Leiden University? Find out how to apply by following the step-by step guide below.

Find out how to apply for Russian and Eurasian Studies at Leiden University by following our step-by step guide.

Do you want to apply for the master’s programme Computer Science and Business Studies at Leiden University? Find out how to apply for your programme by following the step-by step guide in the application and admission section.

Do you want to apply for the bachelor’s programme South and Southeast Asian Studies at Leiden University? Find out how to apply by following the step-by step guide below.

We are pleased you’ve chosen Leiden University for your study abroad or exchange programme and we look forward to receiving your application.

In this thesis we examine certain phenomena in symplectic topology which are related to the theory of isolated singularities.

Find out how to apply for North American Studies at Leiden University by following our step-by step guide.

Find out how to apply for Algebra, Geometry and Number Theory at Leiden University by following our step-by-step guide.

Considering Mesoamerican Precolonial books as material objects

Discussing or giving a lecture about a war situation is no easy task. Nonetheless – or maybe for this very reason – students or lecturers do feel the need to have such a discussion during classes. We share here a number of tips and sources to steer the conversation or lecture in the right direction.

At Leiden University we believe it is important that you receive the right kind of support in your choice of study and while you study. This is why we use what we call the ‘Leiden study system’ to help you make a success of your study from start to finish.

The Master Population Health Management will equip you with the necessary competences to play a key role in the constantly changing healthcare landscape in which societal, patient and clinical results are all equally relevant.

Numismatic research of Roman coin hoards in the Netherlands. The use of numismatic sources is incorporated in Claes’s research project “Dialogues of Power”. This project aims to analyse the legitimising dialogue between Roman emperors and their Germanic legions during the so-called “crisis of the third…

Are you the scientist of the future? Come experiment with science at the Experiments Square! Make your own slime, discover how rubber can count, play along with the antibiotics game, discover the power of light and much more!

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 PhD…

The aim of this research is to gain insight into the approaches of learning to teach. Teacher learning processes, feedback in novice-expert interaction and the impact of the interaction are explored.

Online cursus The Importance and Power of Music in our Society

For the past 25 years, we’ve been making a difference in The Hague. We proudly shared and celebrated this through the photo exhibition Researchers of the City, held in the Atrium of The Hague City Hall.

This book presents concrete solutions for managing the legal risks distorting the development of various areas of EU law. It pursues an innovative and effective approach to identify legal risks, their causes at the EU level and their impacts on the functioning of the Union and its Member States. It…

The main question of this research project concerns the extent to which light verbs in West Germanic languages participate in processes of language change.

This is an Erasmus+ International Credit Mobility project of Leiden University’s Faculty of Medicine with The Wistar Institute in the United States.

How the systematic destruction of valuables created value in Bronze Age Europe, c. 2300-500 BC