What are the conditions under which coercive diplomacy can compel a State to abandon its nuclear weapons program?

Since its inception, a central preoccupation of and for the International Criminal Court (ICC) has been the nature of its relationship to national jurisdictions. Complementarity—the idea that the Court is intended to supplement, not supplant, national jurisdictions—has been the dominant juridical logic…

This dissertation explores how domestic political power struggles in Greece and Turkey during the Cold War engaged with the ongoing conflict in Cyprus and aims to demonstrate how socialist parties in Greece and Turkey struggled with the concept of the “nation” in battling for power and political positioning…

This commentary on the United Nations Convention Against Corruption discusses each provision of the treaty, traces the provisions’ drafting history, and explores their implementation in domestic legal systems.

COUNTERRR examines domestic responses to jihadist armed groups in Africa, analyzing variation in state repression, community resistance, and the evolution of security across Mali, Nigeria, and Mozambique.

The project explores the role of modernization theory in the development of two foreign and domestic service programs: the Peace Corps and Volunteers in Service to America (VISTA).

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

This article on private active cyber defense by Dennis Broeders is part of a special issue of the Journal of Cybersecurity, based on a selection of contributions taken from the 2019 Conference on Cyber Norms organized by The Hague Program for Cyber Norms.

On 3 December 2019, Meda Couzens defended her thesis 'The application of the United Nations Convention on the Rights of the Child by national courts'. The doctoral research was supervised by Prof. T. Liefaard and Prof. J.J. Sloth-Nielsen.

Miriam Cohen defended her PhD dissertation entitled “Reparations for International Crimes and the development of a Civil Dimension of International Criminal Justice” on 28 June 2017. She wrote her thesis under the supervision of Professor L.J. van den Herik and Professor C. Stahn.

This thesis describes the antimicrobial discovery strategy developed in our group, the den Hertog Group at the Hubrecht Institute. It includes a cultivation-based screening approach for novel antimicrobial agents from the source of fungi, and a bacterial time-lapse imaging approach for antimicrobial…

Promotores: G.W. Canters, T.J. Aartsma

PhD defence

Promotor: P.J.J. Hooykaas, Co-Promotores: P.B.F. Ouwerkerk, M. Wang

In this article, Madeleine O. Hosli and Wen Pan examine how intergovernmental dynamics shaped the European Stability Mechanism, using Liberal Intergovernmentalism to assess negotiation phases, the influence of major member states, and which theoretical assumptions hold or need qualification.

This book examines the impact of the UN Convention on the Rights of the Child (CRC) on national and international jurisprudence, since its adoption in 1989.

In this article in International Affairs, Saskia Postema and Jan Melissen examine Chinese celebrities' UN-affiliated Weibo activism in the context of China's increasing engagement in the United Nations, which coincides with a shrinking domestic public sphere under Xi Jinping's leadership.

COUNTERRR examines domestic responses to jihadist armed groups in Africa, analyzing variation in state repression, community resistance, and the evolution of security across Mali, Nigeria, and Mozambique.

On 3 December 2019 Hanna Bosdriesz defended her dissertation on the fight against impunity for grave human rights violations in Latin America.

The symposium is organised by the Department of Child Law at Leiden Law School, on the occasion of the 30th anniversary of the UN Convention on the Rights of the Child.

On February 20th, Gulnaz Sibgatullina succesfully defended her doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Gulnaz on this great result.

The NWO-funded Vidi project “American foreign policy and liberalism” challenges the idea that the United States has created and sustained a “liberal international order” since World War II. It instead explores the ways in which illiberal ideologies – such as those underpinning racial hierarchy at home…

How many children are born with the help of a surrogate mother in the Netherlands, and which legal obstacles can arise? Through a new interdisciplinary study, researchers at Leiden University are attempting to provide clarity about surrogacy processes.

CompaRe’s third virtual PhD roundtable was held on 29 March 2023. In attendance were the head of the centre, staff and PhD candidates. The roundtable focused on brainstorming a wide range of questions around the research process.

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This thesis is an experimental study of the UV irradiation of the interstellar ice analogues, relevant for the different stages of the star and planet formation sequence.

Volume II: Plates of Room Contents

Through a lens that examines the intersection of ageing, gender, class, and migration, this project addresses the “care deficit” in European countries and the employment of migrant women from Latin America to fill this deficit.

Volume I: Excavation and Material Culture

In tracing the deeper historical roots of what Xi Jinping contemporarily frames as a “Chinese dream” of “wealth and power,” the article discerns key actors, events, and organizing principles in a long process toward restoring China’s deemed rightful place in the regional system.

Rebecca Tompkins defended her thesis on 21 March 2019

Through a lens that examines the intersection of ageing, gender, class, and migration, this project addresses the 'care deficit' in European countries and the employment of migrant women from Latin America to fill this deficit.

What should the EU do to support Ukraine, Belarus and Moldova? How can the European Union adapt its policies towards these countries in a very difficult and challenging geopolitical context?

This book explores how public health concerns and political agendas influenced each other in the US over the past century.

Van Vark defended her dissertation 'Separation and immersion: the changing role of the armed forces in Northwestern liberal democracies’ on 17 October 2025. The doctoral research was supervised by Maartje van der Woude and Erwin Muller.