The Common Market Law Review has had its editorial office in the Leiden Europa Institute ever since it was founded in 1963.

This book explores how changes in the patterns of cooperation and conflict among states, regional actors and transnational non-state actors have affected the rise of emerging global powers and the suggested decline of US leadership. Scholars, students and policy practitioners who are interested in the…

Over the last three decades, the discovery of exoplanets has revealed the boundless variety of worlds beyond our own Solar System⁠. Majority of planetary systems contain short-period planets that are larger than Earth but smaller than Neptune⁠.

“Transitional justice” is a field of practice, policy and study that focuses on the ways that societies respond to legacies of large-scale atrocities though tribunals, truth commissions, reparations, and other mechanisms.

This thesis describes the synthesis and biochemical evaluation of a variety of cyclophellitol based activity-based probes and inhibitors targeting various endo- and exo-acting retaining glycosidases. In the last two decades a variety of probes and inhibitors for (hemi)cellulose degrading enzymes have…

Nowadays, most Europeans speak a language belonging to the Indo-European language family. However, very different languages were spoken on our continent before the arrival of the Indo-Europeans. The EUROLITHIC project tries to find answers to the question which languages these were and where they came…

What type of violones were used to perform Bach’s music in his time? And which octaves and tunings are appropriate for his stringed bass instruments?

The Brazilian economy has long been defined by its enormous potential. Over the past 30 years, some of this has at last been realised. Latin America’s largest economy has rapidly risen in global importance while poverty at home has declined. Yet, despite periods of progress, Brazil remains prone to…

Worldwide resurgence of pertussis necessitates the need for improvement of pertussis vaccines and vaccination strategies.

It has now been well established that shocks and turbulent motions in the intra-cluster medium (ICM) generated through cluster mergers can produce large-scale synchrotron emission.

This book examines the history of The Netherlands in a way that connects global processes to local developments.

Soil is a home for an unbelievable diversity and abundance of microbial life that is essential for supporting life on our planet.

The illegal use of hand grenades has generated a lot of public interest over the last few years but very little is known about the nature and extent of these incidents. This research project is trying to fill that gap.

On 1 February 2018 Charlotte Vrendenbarg defended her PhD dissertation

The Leiden Ancient History specialization concentrates on the study of the economies, societies and cultures of the large empires of the Graeco-Roman world, starting with the empires of Alexander the Great and his successors.

The National-Socialist Movement in the Netherlands - the NSB - remained the only legal party in the Netherlands during most of the Second World War.

To this day, all cyclophellitol-based inhibitors and ABPs have been close analogues of their natural substrate counterparts. As a result, these probes showed high selectivity towards their target glycosidases.

PhD at the Natural Products Laboratory, Institute of Biology, Leiden University - the Netherlands

Nietzsche's famous notion 'amor fati' is often associated with the Stoic maxim to 'live in accordance with nature'; we have to fully accept our fates in order to attain happiness. But is happiness really what Nietzsche's 'amor fati' is about? And how to account for all the fiercely critical remarks…

This dissertation investigates A'-dependencies in Standard German, Zurich German and Dutch where the dislocated constituent is indirectly, i.e. not transformationally, related to the position where it is interpreted. The analysis is carried out within the Principles & Parameters framework.

The coursework within the Science Communication and Society (SCS) specialisation prepares students for internships and a career in communication about science and health.

This book explores the links between maritime trading networks around Europe, from the Mediterranean and the Atlantic to the North and Baltic Seas.

Proceedings of the XVII UISPP World Congress (1–7 September, Burgos, Spain). Volume 7/Sessions A4b and A12

Essays in Honour of Olivier P. Nieuwenhuyse

This article 'Shaping the European External Action Service and its post-Lisbon crisis management structures: an assessment of the EU High Representatives’ political leadership' assesses the role, influence and core aspects of the EU High Representatives’ (HR/VPs) “political leadership” in the context…

The International Labour Organisation (ILO) was established in 1919 based on the premise that social justice is a condition for lasting peace. On February 2019 the ILO celebrated its 100th anniversary with an international symposium to consider the future of the ILO.

Each year, Leiden Law Academy welcomes over 2500 course participants. Outstanding lecturers and renowned specialists from the professional field provide legal courses and training.

Although migration and integration have become important concepts today as a result of globalization, migration movements, integration, and multiculturalism have always been part of the history of Europe. Few people realize how many ethnic groups participated in migration within Europe or into Europe…

This thesis attempts to establish a dialogue between the modern and the medieval traditions in logic, by means of ‘translations’ of the medieval logical theories into the modern framework of symbolic logic, i.e. formalizations.

The aim of this project is to get a clear overview of sustainability efforts being made within the faculties, as well as making lasting connections with and between university staff and students involved in these efforts. The Leiden University Green Office (LUGO) aims to play a connecting role in this…

In this dissertation, matching, entropy, holes and expansions come together. The first chapter is an introduction to ergodic theory and dynamical systems.

From where litter ends up to which languages are spoken in Leiden and The Hague: over 50 interesting, surprising, complex and entertaining questions were sent in for the Citizen Science project to mark our 444th anniversary. Not one but two Citizen Science projects will be starting this year in Leiden…

‘Hey, look! There’s Rembrandt van Rijn! And isn’t that Princess Beatrix?’ Keep your eyes peeled during the 444 manhunt on 29 June and you may just bump into a host of celebrities from the past and the present.

In this work, we investigate the minute circular dichroism effects of single nanoparticles.To this aim, we apply photothermal imaging with a polarization-modulated heating beam.

The RISIS project aims at creating a distributed research infrastructure to support and advance science and innovation studies. This will give the field a strong scientific push forward, and at the same time, provide a radically improved evidence base for research and innovation policies, for research…

The Human Origins group at Leiden University studies the archaeology of hunter-gatherers, from the earliest stone tools in East Africa, more than three million years old, to the origin of sedentary societies towards the end of the last ice age.

As well as being a vibrant student city, with numerous housing possibilities and sports clubs, and one of the greenest cities in Europe, The Hague also hosts several important international organisations. It is the ideal place to start your future career.

In order to optimize treatment, it is necessary to closely monitor and manage the patient’s health status by means of ‘precision diagnostics, personalized prognosis and targeted therapy’. The specialisation combines the techniques and applications of these sensing (monitoring) and stimulation techniques.…

The gripping story of a collective passion for freedom that shook the world.

On the 27th of June, Timothy Mac Hadjah successfully defended a doctoral thesis. Leiden University Centre for Linguistics congratulates Timothy on this achievement!

On 15 February 2024, Alexandros Sarris defended the thesis 'International Law and Governance of the Arctic in an Era of Climate Change'. The doctoral research was supervised by Nico Schrijver and Freya Baetens.

With a master’s degree in ICT in Business (last intake in February 2025), job opportunities are excellent and diverse, ranging from consultancy to IT management and from entrepreneurship to PhD research. Our alumni have found jobs within Europe and outside, in industry, government and universities.

The Summer School on International Humanitarian Law is designed by the Grotius Centre Kalshoven-Gieskes Forum on International Humanitarian Law. The announcement for the next edition is scheduled to take place in January 2025.

Organized by the Grotius Centre for International Legal Studies, this programme enables students and professionals from all over the world to engage in discussions on the prospects and challenges of international criminal justice. The announcement for the next edition is scheduled to take place…

The International Arbitration Training Course, offered by Leiden Law School in cooperation with the Permanent Court of Arbitration, focuses on the theory and practice of international arbitration as a distinct field of the law and field of legal practice. The announcement for the next edition is scheduled…

Doctoral Thesis

Proceedings of the 25th International Congress of Roman Frontier Studies 4