The Hague Program for Cyber Norms, a research program at the Institute of Security and Global Affairs, published its second policy brief, in which Dennis Broeders, Liisi Adamson and Rogier Creemers explore aspects of the relationship between China and Russia in cyberspace.

The research group Politics, Culture and National Identities 1789-present investigates a wide range of national political cultures in Europe and the Americas in the 19th and 20th centuries. Instead of only analyzing high politics (the acts of governments and political parties), the research group focuses…

The aim of this project is to study what makes an act or form of violence a specifically political reality.

Situated at the crossroads of the Indian and Pacific Oceans, the Spanish Philippines offer historians an intriguing middle ground of connected histories that raises fundamental new questions about conventional ethnic, regional and religious identities.

Mr. J. Sun defended his thesis on 21 March 2018.

Yi-Wen Cheng defended her thesis on 28 May 2015

This book investigates the effects of brain lesions in the left hemisphere, specifically Broca's area, on the production and perception of vowels, of word tones and of the linguistic use of sentence melody.

Political scientist Matthew Longo (Leiden University) takes a detailed look at the evolution of border security in the United States after 9/11. Far from the walls and fences that dominate the news, he reveals borders to be thick, multi-faceted and binational institutions that have evolved greatly in…

The project '‘The Temporality of Images: Merleau-Ponty’s Visual Ontology and its Resonances with Chinese Landscape Painting.’, in the most concise terms, explores ontological questions through the lens of images, drawing on phenomenology, iconology, art history, and comparative philosophy.

Fungal infections pose a significant threat to individuals with compromised immune systems and despite advancements in diagnosis and treatment, they continue to jeopardize patient’s health.

The Leiden Lectures in Media | Art | Politics (MAP) is a series of talks organized by Pepita Hesselberth and Yasco Horsman. Speakers from various academic backgrounds and in different stages of their careers reflect on diverging ways in which technological and social changes challenge and transform…

“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.

Metals surfaces form a group of effective catalysts for the reaction of small molecules such as hydrogen (H2).

Choong-Yeol Kim defended his thesis on 14 November 2019

How do academics develop into novel researcher roles alongside current teacher roles in the context of new universities in transition?

The research described in this thesis focused on the preparation of S/N functionalized carbene ligands and their transition metal complexes, and the exploration of their application as electrocatalysts for proton reduction.

Political scientist Maurits de Jongh (Leiden University/Sciences Po) argues that political liberalism is self-defeating as a framework of justification for liberal conceptions of justice. He explores how the framework's self-imposed criterion of acceptability in the eyes of all reasonable citizens leads…

What is the state of access to justice in real property grievances in today’s Libya, and how should it be improved?

Never has good policy been so important. From unemployment and a lack of affordable housing to regulating cryptocurrencies and protecting against cybersecurity threats, the challenges we face are complex and global. The text explains how policymaking works: from the emergence of policy ideas to deciding…

On 19 September 2023 Tabitha Speelman successfully defended a doctoral thesis and graduated.

Why obey the state? Dorota Mokrosińska presents a fresh analysis of the most influential theories of political obligation and develops a novel approach to this foundational problem of political philosophy, an intriguing combination of the elements of natural duty and associative theories.

How did parties as political organizations emerge?

Press freedom in Indonesia is still under pressure, despite the demise of Soeharto’s regime in 1998

The overall aim of the project is to investigate interests and their development over time in a daily life context, with particular attention for the transition from late secondary to post secondary education, and from late post secondary education to early career.

These three repors are part of a research project that assesses how military interventions can best prepare the ground for an effective long-term counter-terrorism policy. Three different cases have been studied, and they have each provided the input for the policy relevant recommendations that are…

The Institute of Political Science is a vibrant department with nearly 70 academic staff in Leiden and nearby The Hague.

This dissertation offers a reconstruction of the propositional contents of the writings of Karl Popper, Leo Strauss, and Hannah Arendt while bringing these into discussion with their performative meanings, such as polemical forms of reasoning, analogical and metaphorical uses of language, and hidden…

In December 2014, Leiden University’s Institute of Security and Global Affairs with the Australian National University’s Asia-Pacific College of Diplomacy and the International Centre for Counter-Terrorism, commenced a research project to assess how (temporary) military interventions can best prepare…

Politics is about the authorised allocation of values: who gets what, when and how much? This question is relevant at many different levels, in many different places and in very different ways.

Under what circumstances do paramilitary groups limit their use of political violence? This article examines the use of political violence by the PIRA.

Friso Stevens, External PhD candidate at the Institute of Security and Global Affairs (ISGA) at Leiden University, wrote in de Volkskrant on the Chinese investment drive.

Profile Area Political Legitimacy, Leiden University

Audrey Heijns defended her thesis on 28 June 2016

At the Institute of Political Science we value our alumni. We can learn from you, and would like to contribute to your further development. And, of course, we want to lend a hand in connecting ‘our’ political scientists all over the world.

In what ways do historical and current events affect how we should judge the legitimacy of political authorities?

Are you thinking about studying Political Science? Watch the introduction video’s and learn more!

Both play and politics have the potential to create worlds in which new rules apply, meanings are created, and possibilities emerge for collaboration, strategy and creative solutions. In this sense, play and politics have always been very much alike. But what happens to this kinship in a post-digital…

Can we link multiple components from herbal extracts with their biological activities?

Science, Institute of Environmental Sciences (CML)

This thesis focuses on the synthesis, characterization and performance towards CO2 electroreduction of mono and bi-metallic particles based on p-block metals

This volume challenges the idea that the development of ‘democracy’ is a story of rise and progress at all. It is rather a story of continuous but never completely satisfying attempts of interpreting the rule of the people.

Hegemony and World Order explores a key question for our tumultuous times of multiple global crises.