The War, Peace and Justice group unites scholars and practitioners to explore war dynamics, peace promotion, and justice’s role in conflict and global affairs.

People with a mild intellectual disability (MID) experience more loneliness than people without MID. In the COLLELO project, researchers from social and humanities disciplines collaborate with people with MID and their (in)formal networks to create an (online) learning community that aims to understand…

We are a dynamic research group at the Leiden Institute of Physics. Our aim is to explore and understand quantum materials, including strange metals, high-temperature superconductors, and quantum critical electron matter.

Although graduate schools and PhD programs at various Dutch universities do provide methodological training in the social sciences, PhD students in anthropology frequently express a need for more specialized anthropology courses that provide in-depth discussions of cutting-edge theory and state-of-the-art…

On 16 December 2019, Jan-Harm de Villiers defended his thesis 'The Anthropomorphic Hegemony of Subjectivity: Critical Reflections on Law and the Question of the Animal'. The doctoral research was supervised by Prof. P. Cliteur.

In comparing a selection of 18th-century histories to a representative sample of 19th-century histories of science, this project inquires: Which early modern vices persisted into the 19th century and to what extent were those vices embodied in anecdotes, conveyed through commonplaces, or symbolically…

This project traces how, why, and under what circumstances scholars invoked the trope of “dogmatism,” especially in controversies. Relevant controversies from various fields, periods, and countries will be subjected to in-depth rhetorical analysis.

Dr Karolina Pomorska has been awarded the Jean Monnet Chair “EU and the World” for three years (2018-2021). Jean Monnet Chairs are teaching posts with a specialisation in European Union studies for university professors, awarded by the European Commission in a highly competitive peer-reviewed proces…

Global climate change is manifest by local-scale changes in precipitation and temperature patterns, including the frequency of extreme weather events (EWEs). EWEs are associated with a myriad range of adverse environmental and societal consequences, including negative impacts to agriculture and food…

The Hazelhoff Centre for Financial Law provides academic teaching and performs research in the field of financial law.

The Intelligence and Security research group focuses on intelligence and security within the European Union. Its approach is interdisciplinary and reflects ISGA’s broad perspective, combining insights from ethics, history, law, political science, psychology, and sociology.

In this consortium CWTS (Leiden University) collaborates with two Swedish SMEs: Monocl AB and Recorded Future AB. Monocl AB delivers intuitive analysis software to Life Sciences professionals in support of strategic decisions and improvement of business performance. Recorded Future AB is an organization…

Sound & Score brings together music expertise from prominent international researchers and performers exploring the intimate relations between sound, score and notation, and the artistic possibilities that this relationship yields for performers, composers and listeners.

Explore philosophical research and education at the Leiden Institute for Philosophy. Our scholars study knowledge, ethics and existence, connecting classical and contemporary thought.

On the28th of September Didi van Trijp successfully defended a doctoral thesis and graduated.

The Kroese-Duijsters Symposia aim to provide researchers from different fields and different career stages to meet in an informal setting, to stimulate discussions and to start new collaborations. The Kroese-Duijsters Symposia started in 2022 and we are pleased to invite you to the 4th Kroese-Duijsters…

International trade plays a critical role in global food security, with global consumption having highly localized environmental impacts.

Managing scarcity to serve the public interest is a classic government task. An important way to execute this task is by allocating individual rights that are only available in limited quantities, such as CO2 emission allowances, gambling licences, subsidies, radio frequencies, public contracts and…

Synthetic or artificial cells are vesicles, often lipid vesicles, with wide ranging applications from drug delivery to nanoreactors in biocatalysis. We are developing polymer-lipid hybrid vesicles for applications in compartmentalised biocatalysis, in which the polymer has been shown to greatly enhance…

Constitutional and administrative law covers a broad area of law. It provides the rules with which issues in society can be solved by government authorities.

Promotor: P. J. J. Hooykaas Co-promotor: B. S de Pater

Organisation of the Leiden Institute of Physics.

On 27 June 2019, Barry Bussey defended his thesis 'The Legal Revolution Against the Accommodation of Religion: The Secular Age v. The Sexular Age'. The doctoral research was supervised by Prof. dr. P.B. Cliteur.

This project analyzes to what extent hodegetical textbooks relied on each other in warning their readers against vicious habits, how much continuity their catalogs of vice displayed, and to what extent vices that persisted throughout the 18th and 19th centuries were associated with easy-to-remember…

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.

Diplomatica: A Journal of Diplomacy and Society addresses the broad range of work being done across the social sciences and the humanities that takes diplomacy as its focus of investigation.

The people behind The Hague Journal of Diplomacy and its online platform.

History is being taught at Leiden University since the days of Justus Lipsius [1547-1606]. In 1860, following the appointment of Robert Fruin as Leiden professor of Dutch History, modern historical investigation started in the Netherlands.

The Journal of Global Slavery (JGS) aims to advance and promote a greater understanding of slavery and post-slavery from comparative, transregional, and/or global perspectives. It especially underscores the global and globalizing nature of slavery in world history.

Our project focuses on the analysis of decision-making processes in the European Union (EU) and explores how approaches and tools to understand decision-making found in both the Natural and the Social Sciences can be linked, knowledge between these traditions exchanged and synergies utilized. To explore…

Self-censorship violates principles of a free society but few people want to take the role of the martyr.

This book on Alba is edited by Maurits Ebben, Margriet Lacy-Bruijn and Rolof van Hövell tot Westerflier. Each of its fifteen chapters are dedicated to developing a new understanding of a sometimes misunderstood figure in European history.

The EU JudgeCo Platform provides valuable sources on cross-border insolvency court-to-court cooperation and communication in a EU context.

This research cluster is a part of the Institute of Political Science’s research programme ‘Institutions, Decisions and Collective Behaviour’. Its members study the design and functioning of Dutch political institutions as well as attitudes and behaviour of political elites and citizens.

How did learned natural historical inquiries into the underwater world develop in eighteenth-century Europe?

The Nietzsche-Wörterbuch (NWB) has evolved into a long-term, multi-volume work on a global scale with around 30 contributors from a range of disciplines located all over the world

In October 2014 a new publication on artistic research has been launched. The book is called Artistic Experimentation in Music. An Anthology, edited by Darla Crispin and Bob Gilmore, and published by Leuven University Press.

To address major societal challenges, research needs to go beyond the boundaries of traditional disciplines. We believe this starts with education. By exposing students to people from different scientific fields, they learn to deal with diverse perspectives and can broaden their horizons. Professors…

Lecture

The mission of Software and AI in Business (SA&B)connects the domains of science, business, and policy. Scientific research we focus on at Leiden in areas such as artificial intelligence promises to reshape our societies for the better. Translating science into positive societal impact however requires…

The Prison Project investigates to what extent imprisonment has consequences for the relapse, health, career and intimate relations of the (ex-)prisoners.

They were called 'annoying brats', the group of campaigning scientists who in 1978 founded what is now an internationally acclaimed ecological research institute. Their stories and those of the current staff of the Institute of Environmental Sciences are described in the book 'Forty years of Leiden…

Our East Asia experts work across various disciplines on global issues such as migration, heritage, and colonialism.

This project investigates the transposition of natural historical material, knowledge and vision, between different media (collection, scientific drawing, academic texts, the visual arts and/or literature) – a transmission that happens in the borderline between the traditional, emblematic worldview…

This subproject of 'From Homo Economicus to Political Animal' will be on ancient analogues for modern-day “ersatz economics”, the economics of the “man in the street”.

What are the key technical, social, regulatory, economic, and ethical considerations for scaling up ocean-based Carbon Dioxide Removal (CDR) approaches, and what integrated assessment frameworks and governance structures are needed to facilitate their implementation at scale?