What makes a truth true? Throughout the history of philosophy, numerous theories have been proposed to define what it means for something to be ‘true’. Despite their wide variety, most accounts presuppose that a truth is expressed through linguistic assertations or propositional statements. But can…

Loopholes in international tax legislation contribute to the misuse of tax rules by multinationals. Leiden University legal experts investigate how the complex national and international tax rules can be made more consistent in order to create a better tax system.

Leiden University will be recording a brand-new series of podcasts in 2019: Science Shots. Our top scientists will talk about their research in less than 15 minutes. Tip: something to enjoy on the train journey between Leiden and The Hague, our two University cities!

The foundation of the ‘Leids Papyrologisch Instituut’ took place on 19 January 1935. Prior to then, the founders – J.C. van Oven (1881-1963, Roman Law), B.A. van Groningen (1894-1987, Greek) and M. David (1898-1986, Legal History) – had already been teaching Greek papyrology at Leiden University.

In this dissertation (titled: Exploring the Synergies between Transfer in Reinforcement Learning and Procedural Content Generation) we explore how the two research fields named in the title, namely Transfer in Reinforcement Learning (TRL) and Procedural Content Generation (PCG) can synergize togethe…

Find out how the admission procedures for PhD candidates at LUCAS are structured.

The minors offered by the Faculty of Governance and Global Affairs in The Hague are closely linked to the defining image of The Hague as a city of international justice, peace and security as well as the centre of Dutch public administration and international governance.

SAILS (Society, Artificial Intelligence and Life Sciences) is a universitywide initiative aimed at facilitating collaboration across disciplines on the use of Artificial Intelligence (AI). It is one of Leiden University's interdisciplinary programmes.

In July 2022, Leiden hosted the ESOF conference.

Honours education offers students an extra challenge. In our educational testing ground, they follow their curiosity, step outside the box and prepare themselves for the future.

Is the International Bachelor in Psychology the programme of your choice?

Do you want to become an expert in South and Southeast Asia as a region, or in one of its countries? Do you want to learn one of its major languages? Come to Leiden! You are welcome in our ambitious bachelor’s programme, where you will benefit from Leiden university’s long-standing expertise on the…

To be eligible for Chemistry at Leiden University, you must meet the following admission requirements.

Explore cultural differences, human behaviour and today's global issues with our international bachelor in Cultural Anthropology and Development Sociology. Dive into real-world topics and make an impact. Apply now!

To be eligible for Classics (research) at Leiden University, you must meet the following admission requirements.

Promotor: P.M. Brakefield

The better teaching is for pupils and students, the more solid the basis will be that we give them for their future careers. This type of teaching requires strong instructors and insight into the best ways in which pupils can be supported, and research at Leiden University is making a contribution in…

There’s more to obtaining a bachelor’s or master’s degree than just studying. For example, where can you go for advice, or to let off some steam, practise your favourite sport, stay in shape, socialise, or simply find some peace and quiet? Leiden University can help in all these areas, and more.

Find out more about the career opportunities after finishing the European and International Business Law Programme. We prepare you for a successful career.

To be eligible for Archaeology (research) at Leiden University, you must meet the following admission requirements.

Meet Bart, Reza, Weiyan, James, Daphne and Yasmin.

The Microscopy Unit houses, maintains and coordinates most of the microscopy equipment of the IBL. The available equipment ranges from conventional light and fluorescence microscopes, to confocal laser scanning and electron microscopes. In addition, infrastructure is available for histology, including…

Is there extra-terrestrial life out there? It now looks as though we can sketch out an answer to this enduring question. Leiden Observatory is helping to build new instruments to find the most promising exoplanets.

As a supervisor, you play a vital role in guiding and supporting your PhD candidate throughout their academic journey. Here are some important responsibilities and steps you need to consider.

The Institute of Security and Global Affairs (ISGA) hosts two research journals and publishes the ISGA Reports series. Besides its own publications, researchers at ISGA also publish books or journal articles elsewhere. You can find all these external publications under Research output on the right.

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?

When to launch a next-generation product in a competitive market and how much capacity should be allocated to it

China is a one-party regime, yet elections are held for the local congresses. PhD candidate Wang Zhongyuan investigated how the Communist Party uses this democratic instrument to strengthen the authoritarian regime. PhD defence 31 January.

We are very excited to announce our Sustainability Series for 2023-2024. Each month an interactive workshop will be organised that discusses a specific theme of sustainability. Interested about sustainability? Do not hesitate to sign up to our events !

Law and Digital Technologies (L.L.M.) examines the legislation and governance regarding internet, computers, persuasive technologies and ambient intelligence.

Are you currently seeking asylum in the Netherlands and do you have an academic background? You’re in the right place. The IncLUsion initiative makes it possible for refugees who are not (yet) able to register as students within the Dutch education system to follow courses at Leiden University. IncLUsion…

Are you ready to take on an extra challenge during your Leiden Bachelor programme? With options like Honours College, The Humanities Lab and the Academy of Creative and Performing Arts (ACPA) you can add extra depth, intensity and ECTS – even a dual degree – to your study.

Once you have graduated from Science for Sustainable Societies, you are ready for the next step: you can, for example, continue your studies or enter the job market. Completing the Science for Sustainable Societies programme will give you an excellent preparation for reaching any goals you may set y…

Whether you are eligible for admission to the IRO programme depends on your previous education and your command of the English language. The detailed entry requirements are listed below, separately for students with a diploma obtained in the Dutch school system and those with a non-Dutch diploma obtained…

From taking general introductions to developing your personal specialty; on topics ranging from the city council to the ‘new world order’; with forays into economics, history and philosophy: during Politicologie: Nationale en Internationale Politiek, a world will open up for you.

Have you made up your mind and decided to pursue the BSc Security Stuides at Leiden University? First, check the admission requirements.

To be eligible for Mathematics at Leiden University, you must meet the following admission requirements.

Get to know us through our online and in-person events for prospective students!

The one-year History specialisation in Ancient History offers an attractive mix of theoretical knowledge and practical experience.

Leiden is a lively university city that’s brimming with history and boasts a student culture that’s tangible just about everywhere. Read on to discover what Leiden has to offer and get a foretaste of what you can expect.

In the master’s programme in Archaeology, you can follow courses on the archaeology of the Mediterranean, deepening your understanding of this fascinating region. From the many faces of ‘Hellenism’ to the early rise of the Roman Republic, to the voyages of European Crusaders in medieval times. The archaeology…

There must be a reason why there are 90,000 international students in the Netherlands, a number that is increasing every year. In fact, there are several very good reasons.

This one-year master's programme explores the political and cultural evolution of the world from a long-term, and broad comparative perspective. This creates a better understanding of the entangled nature of today's society.

Students in our Astronomy programme are trained by leading experts in cutting-edge astronomical research. We incorporate in our educational programme observations and data from the world’s foremost ground- and space-based telescopes as well as theoretical, computational and astrochemical modelling,…

Using artificial intelligence is more complicated for the government than for companies. Bram Klievink, Professor of Public Administration, aims to identify the problems and find solutions.

In support of the research and education, the Leiden Institute of Advanced Computer Science (LIACS) has a Research and Education laboratory at its disposal. Within this environment, we can offer machines that go beyond normal office automisation and production.