Quantum computing is an emerging technology, which holds the potential to simulate complex quantum systems beyond the reach of classical numerical methods.Despite recent formidable advancements in quantum hardware, constructing a quantum computer capable of performing useful calculations remains challenging.In…

There is an increasing amount of attention on EU and its Member States contributions to implementation of two landmark agreements: the Paris Climate Agreement and the UN Agenda 2030 with Sustainable Development Goals (SDGs). Absent from the current literature is an analysis of the political effect of…

In this PhD project, we focus on improving the effectiveness and efficiency of LMs with narrative data.

With the recent rise and fall of IS, academics and policy makers around the world are expressing concerns about the fate of children of former foreign fighters. Will they follow in their parents’ footsteps? In this paper, Layla van Wieringen, Daan Weggemans and Marieke Liem argue that in light of this…

The Second World War took the lives of at least 663 students, staff and alumni of Leiden University. They were killed in raids, deported to concentration camps or, out of desperation, took their own lives.

Examining policy integration's adjustment to diverse implementations in cross-border crisis management, the article analyses institutional choices' impact on the process.

The objective is to develop in vitro antigen degradation assays in order to mimic the fate of the antigen in vivo.

How did the imperial administration of justice function during the reign of the Severans?

This article examines the effects of introducing proportional representation (PR) in Polish local elections on women’s political representation.

Governments are increasingly facilitating the roll-out of so-called “smart meters”, a technology for measuring energy consumption that are able to transmit and receive data using a form of electronic communication. However, implementation has been slow or even stalled.

Colonial Soldiers in Europe, 1914-1945:

Phonology is the study of speech sounds within and across languages. It touches topics such as speech sound variation, speech sound combinations and acquisition.

Take a view on the slides of the presentation and read what the event of Sustainable Travel was about.

As part of LUGO’s focus on responsible recycling of e-waste (electronic waste) we participated in the Funky Phone Challenge.

It is difficult to deny the value and importance of human rights, and yet their application in the context of climate change is increasingly contested. While some argue that it is difficult to establish the violation of human rights by climate change processes, others contend that human rights are anthropocentric,…

The Dutch and English East India Companies were formidable organizations that were gifted with expansive powers that allowed them to conduct diplomacy, wage war and seize territorial possessions. But they did not move into an empty arena in which they were free to deploy these powers without resista…

Based on interviews with feminist Instagram users, this article studies emergent feminist visibilities on Instagram through the concept of filtering.

In this thesis, we explore a Hochschild homology and cohomology-like notion for logarithmic schemes.

Bringing together scholars from a broad range of theoretical perspectives, The Language of Argumentation offers a unique overview of research at the crossroads of linguistics and theories of argumentation.

Depending on the research area you are charged with bench fees or not.

Leiden University offers more than 78 master's programmes in various fields taught in English. Tuition fees for master programmes range from 15,000 - 25,000 euros / year depending on the chosen study programme.

This inaugural lecture discusses the question: How to cooperate in the digital era?

Almost all bacteria are enveloped by a cell wall that provides cellular protection.

An Ancient Egyptian System of Workmen’s Identity Marks

The largest structures in the Universe are clusters of galaxies. Each can contain hundreds to thousands of galaxies.

The Sun and all the stars in the night sky reside in the Milky Way galaxy. In the at-rest reference frame of the Galaxy, typical stars travel with velocities of about 100-200 kilometres per second.

This book presents the transcriptions and annotated translations of fifteen key historical documents concerning the Tapuia indigenous people written just before and during the Dutch occupation of northeastern Brazil.

This ethnographic exploration of anticipation published in the Journal of the Royal Anthropology Institute draws on fieldwork among people with dementia and their families in the Netherlands.

This thesis is a sample-based typological study of formal and semantic patterns in terms for a selection of referring (

Promotor: A. Achúcarro, Co-Promotor: G.A. Palma

Nobody is better qualified to tell you what it is like to work at Leiden University than the employees themselves. Watch the videos and meet your future colleagues. They will be happy to share their experiences with you.

The second and final report on the Netherlands‘ crime-terror nexus has analysed all fourteen profiles of individuals arrested in 2015 for offences of terrorism.

There are a number of different people in the Faculty of Humanities who deal with aspects of diversity and inclusion. This web page has been developed to make it easier to find the contact details for the right person for you.

Like any language, the natural sign languages of deaf communities differ from each other in their grammars and lexicons. A growing number of studies indicates that sign languages make use of the gestures of hearing speakers to build linguistic structure. This implies that variation and similarities…

The transformation of the myriad of medieval kingdoms, principalities, local lordships, city-‘states’ and peasant ‘republics’ into ‘modern’ states, claiming some measure of sovereignty, remains one of the core themes of European history, because it gets down to the very root of the (idea on the) Europe…

Given the accelerating appearance of antimicrobial resistance, there is an urgent need for more fundamental research into novel antibiotic strategies. The work in this thesis helps to address this global problem by developing new antibiotic compounds, inspired by the antibacterial mechanisms of the…

This thesis describes how different colours of light affect various aspects of the growth and development of Arabidopsis and tomato plants⁠.

Acknowledging the work and effort of Leiden University staff is one step closer to having a more sustainable University.

Wenxin Wang defended her thesis on 26 October 2016

Madeleine Hosli, Professor of International Relations at Leiden University, together with two other authors, wrote a chapter in Group Politics in UN Multilateralism. This chapter assesses the composition and functioning of the African Union (AU) within the United Nations.

Why do historians so often talk about objectivity, empathy, and fair-mindedness? What roles do such personal qualities play in historical studies? And why does it make sense to call them virtues rather than skills or habits?

Choosing a study programme is fun and exciting, but it’s not always easy. Your choice of study is a major decision; after all, it is about your future. At the same time, it’s good to remember that this choice will not determine the rest of your life.

If you aren't able to visit us on campus at Leiden University, some of our bachelor's programmes offer you an online experience to see if the programme is a right fit for you.

It was time for some music! On the prettiest spot on Leiden’s canals: Rapenburg.

The aim of this research is the systematic analysis of the wisdom coined by Nahua people of Mexico, based on the historical sources and archaeological evidence, but also in the knowledge developed by contemporary indigenous communities and the contributions of indigenous scholars.