This research deals with the royal houses of the Vijayanagara Empire and four of its successor states: Ikkeri, Tanjavur (under both the Nayaka and Bhonsle rulers), Madurai, and Ramnad. This study is thus concerned with dynastic politics and imperial legacies in south India between the 14th and 18th…

Willem Peene defended his thesis on 12 January 2017

Systematisch geordend naslagwerk voor alle stadsrechten in Nederland

Schatten uit het oude Armenië

Huub de Groot is professor in Biophysical Organic Chemistry. With his team he works in the field of photosynthesis and artificial photosynthesis. The molecular basis for photosynthesis is formed by protein complexes and organelles that contain chlorophyll molecules. The antenna systems herein capture…

On 14 November 2019 Niek Schipper defended his thesis 'De invloed van de woonplaats op de fiscale behandeling van grensoverschrijdende werknemers'. The doctoral research was supervised by Prof. S.C.W. Douma and Prof. J.P. Boer.

You can find more information on the Dutch webpage. Click on the “Nederlands” button above.

Valedictory lecture

Analysing the ways in which immigration structurally challenges and changes the organization and conceptual boundaries of national welfare states.

Anna van Buerenplein, Anna van Buerenplein 301, 2595 DG, The Hague

Anna van Buerenplein, Anna van Buerenplein 301, 2595 DG, The Hague

Anna van Buerenplein, Anna van Buerenplein 301, 2595 DG, The Hague

Spirited narratives of purpose and progress: church-society engagement alongside the (Company-) state

In a modernist interpretation of migration controls, nation states play a major role. This book challenges this interpretation by showing that comprehensive migration checks and permanent border controls appeared much earlier, in early modern dynastic states and empires, and predated nation states by…

The focus of our theoretical research is understanding the behaviour of soft condensed matter, physical matter which is deformed or structurally altered by thermal fluctuations or small stresses.

We investigate the physics and design of mechanical metamaterial, intricately sculpted materials with properties set by their architecture.

On the occasion of prof Paul van der Heijden’s stepping down as Rector Magnificus and President of the Executive Board of Leiden University in 2013 the Chair bearing his name on Social Justice was established. It was a “farewell present” of the Leiden University to it’s Rector.

Luc Verheij, Professor of Constitutional and Administrative Law (Kircheiner chair) at Leiden Law School has been appointed as a member of the 'Raad van State', the Dutch Council of State. Verheij was already a State Councillor at the Advisory Division since 2011. He will continue to fulfill this role…

Political scientists Huib Pellikaan and Niels van Willigen (Leiden University) use and elaborate on the theoretical insights from game theory in order to understand nuclear security in changing environment. Now that the relations between the US and Russia have deteriorated and smaller nuclear states…

Political scientists Marijn Nagtzaam (Leiden University) and Patrick van Erkel (University of Antwerp) investigate how electoral rules affect intra party preference voting. Focusing on the effect of two specific rules—the option to cast a list vote and on a single versus multiple preference vote—and…

Majorana meets a mermaid

Van Steenis, Einsteinweg 2, 2333 CC, Leiden

Van Steenis, Einsteinweg 2, 2333 CC, Leiden

States, we are told, have monopolized the legal right to wage war since the seventeenth century and this arrangement has provided some basic stability in international relations. But is this really true? This project challenges this classic account and opens the way for rethinking the contemporary laws…

On 5 June, Maarten Aalbers defended the thesis 'The balancing of general interests in EU State Aid Law: blurred lines between the prohibition and the compatibility of aid'. The doctoral research was supervised by Pieter van Cleynenbreugel and Stefaan van den Bogaert.

The United Nations Office for Disarmament Affairs (UNODA) has published the 2017 issue in their Civil Society and Disarmament series, titled Voluntary, Non-Binding Norms for Responsible State Behaviour in the Use of Information and Communications Technology: A Commentary. The series aims to provide…

As Real As You Want is a group exhibition focusing on navigating the virtual and real spaces, experiences and conversations.

Chromatin is an ubiquitous protein-DNA complex that forms the structural basis of DNA condensation in all eukaryotic organisms.

Discover the new MSc in Public Sector Economics at Leiden University, offered entirely in Dutch. This program prepares future policy economists by bridging economic theory, Dutch institutions, and real-world policy challenges. Starting September 2025 in The Hague, it focuses on key issues like inequality,…

This PhD-thesis analyses the relationship between the parties’ choices in the CPB Netherlands Bureau for Economic Policy Analysis’ assessments of the election manifestos and coalition agreements over the period 1986-2017, and tries to explain this relationship.

Tens of thousands of soldiers and civilians have died as a result of Russia’s invasion of Ukraine in February 2022 and the continuing armed conflict. Many forms of critical infrastructure have been destroyed. Much of this devastation has been caused by weapons that utilise forms of artificial intelligence…

On 13 December 2023 Alf Farabi successfully defended a doctoral thesis and graduated.

On 23 October 2019, Yoram Stein defended his thesis 'Spinoza's Theory of Religion: The Importance of Religion in Spinoza's Thought and Its Implications for State and Society'. The doctoral research was supervised by Prof. P.B. Cliteur and Prof. A.A.M. Kinneging.

This article explores how ISIS and the Taliban have fostered support through their parallel legal systems.

On 1 September 2022 Güldeniz Kibris successfully defended a doctoral thesis and graduated.

The Europa Instituut is pleased to announce that this week a new handbook “EU State Aids” (31 Chapters, 1500 pages) was published.

How do governments distribute resources across economic sectors during a crisis? And why do some sectors receive more than others? The recent COVID-19 pandemic has highlighted the urgency of these questions. In this paper, we explore the extent to which a political economy…

On 7 May 2020, Jolanda van der Vliet defended her thesis 'The International Legal Protection of Environmental Refugees. A human rights-based, security and State responsibility approach'. The doctoral research was supervised by Prof. N.J. Schrijver and Prof. J.J.C. Voorhoeve.

On 10 Friday, 'Warm Sweater Day', the central heating in University buildings was set a few degrees lower. Those who are not so warm-blooded could take comfort knowing that there are students who are deliberately keeping the heating turned down the whole winter.

Local broadcaster Omroep West recently joined one of the University’s Summer Tours. These exclusive tours give you a peek behind the scenes at the Academy Building, P.J. Veth Building and Bibliotheca Thysiana: buildings with a long, rich history.

The new Master’s programme in Public Sector Economics (MSc Economics) prepares you to become the policy economist of the future. The programme enables you to bridge the gap between economic theories, scientific methods, the functioning of Dutch institutions and policy processes, as well as current societal…

As of 1 June 2018 Olaf van Vliet has been appointed as Professor of Comparative Welfare State Analysis at Leiden University. The Endowed Chair in Comparative Welfare State Analysis is supported by Instituut Gak. This chair is embedded in both the Department of Economics (Leiden Law School) and the Institute…

On 12 January 2022, Mirjam Franke defended the thesis 'Over de grens van de onrechtmatige daad'. The doctoral research was supervised by Prof. A.G. Castermans and Prof. J.H. Crijns.

PhD defence