This thesis has three main parts. The first part gives an algorithm to compute Hilbert modular polynomials for ordinary abelian varieties with maximal real multiplication. Hilbert modular polynomials of a given level b give a way of finding all of the abelian varieties that are b-isogeneous to any given…

This thesis presents the anharmonic infrared spectra of a series of polycyclic aromatic hydrocarbons. Comparisons and characterizations are made based on high-resolution low-temperature gas-phase experimental spectra.

In 2012, Swedish power company Vattenfall went to an investor-state tribunal in response to the decision of Germany to close three Vattenfall nuclear power plants on its territory. The tribunal now has to decide whether Germany’s decision is in accordance with the international Energy Charter Treaty.…

Dr Brian McGarry, Assistant Professor of Public International Law at the Grotius Centre for International Legal Studies, addressed the International Tribunal for the Law of the Sea in the world's first advisory proceedings concerning climate change. His advocacy for the Commission of Small Island States…

Kutsal Yesilkagit, Professor of International Governance at the Institute of Public Administration, has been appointed by Minister Bruins Slot of the Interior and Kingdom Relations as a member of the State Commission on the Rule of Law, which was established in November 2022.

The German state of Saxony-Anhalt is set to make recognition of the state of Israel a requirement for becoming a German citizen. However, Peter Rodrigues, Emeritus Professor of Immigration Law, has told Dutch daily newspaper Nederlands Dagblad that introducing a similar measure in the Netherlands would…

The Council of State in the Netherlands has drawn up a programme of reflection to evaluate the role of the highest administrative court in the child benefits scandal and to learn lessons for the future.

From 26-30 June 2017 the first edition of the summer course on the Europeanisation of administrative law in the EU Member States took place in The Hague.

It seems that the Dutch Tax Offices’ Benefit Fraud Scandal has still not come to an end. New skeletons keep falling out of closets which has resulted in a parliamentary inquiry. But is such an inquiry the proper instrument to make sure that no stone is left unturned?

The first 'Tafel van Thorbecke' took place at Leiden University on Thursday 17 November 2022. For this new lecture series, initiated by Fatma Çapkurt and Gert Jan Geertjes, external scholars will be invited to speak about their research in the field of constitutional and administrative law.

Traditionally, at the beginning of each new calendar year, Leiden Law School awards the Meijers Prizes for the best article in the previous year for each Faculty research programme.

Compared to its European neighbouring countries, the Netherlands undertake relatively few attempts to bring back women and children from Iraq and Syria. De Roy van Zuijdewijn explains why on Dutch NPO 1 radio.

At the beginning of the year, the Dutch intelligence services, together with their American, German and Swiss colleagues, revealed that, for years, confidential communications of more than 100 countries had been intercepted. The project named 'Operation Rubicon' is a collaboration between Germany and…

The Netherlands returned 478 artefacts to Indonesia and Sri Lanka this week, on the advice of a Dutch committee. Rightly so, says Leiden professor Pieter ter Keurs from the Museums, Collections and Society interdisciplinary research programme. ‘But do make it clear why you are returning something.’

On Saturday 2 November the third Van Eyck Symposium shall take place

De plannen van het kabinet-Schoof om een langstudeerboete zorgt voor veel ophef. Promovendus Joris van de Riet schreef een opinieartikel erover voor Trouw. Zijn argument is dat een langstudeerboete desastreuze gevolgen kan hebben voor studentenverenigingen.

As a result of two attacks in Germany and one attack in France within only one week, fears of new terrorist attacks in Europe have reignited. In France a radicalised police agent stabbed and killed four people. In Germany a man from Syria drove his car into a line of cars wounding sixteen people and…

Linde Desmaele explores the role of US theatre nuclear weapons stationed in Europe. Moving beyond the deterrence vs. reassurance debate

How and to what extent does AI affect citizen representation in public service delivery and state-citizen interactions?

The Faculty of Governance and Global Affairs of Leiden University in The Hague has developed a Serious Game, 'het Grote Migratiespel' to introduce secondary school students to their study and research programmes.

Labour law is constantly changing. Concurrently, the laws dealing with workers address fundamental issues which are invariably of major significance and value. The research carried out at the Department of Labour Law and Social Security focusses on both the (constant) changes in labour law and social…

From receiving our salary to doing our shopping: we are completely dependent on commercial banks for all our payment transactions. But what happens if they collapse? In his inaugural lecture, Professor Bart Joosen calls for a rigorous change: ‘Put payment transactions for private clients under one…

Denk je erover om Journalistiek en Nieuwe Media te studeren? Leer meer over deze master en bekijk onderstaande introductievideo.

Leraar worden in het voortgezet onderwijs? Bekijk dan deze video.

Denk je erover om Neerlandistiek te studeren? Leer meer over deze master in onderstaande introductievideo.

How are law and governance in China responding to rapidly changing circumstances, and what does that mean for the relationship between the state and its citizens?

Large areas of space are filled by molecular clouds that consist of gas and dust grains that are the remnants of dead stars. When these clouds start collapsing, the decreasing temperature and increasing density cause gas particles to start accreting onto dust grain surfaces.

On 18 May 2011, Dr. Ben Knapen, Minister for European Affairs and International Cooperation, delivered the annual Van Vollenhoven Lecture on “Rule of Law and Development”.

The inaugural Society for the Study of French History First Book Prize has been awarded to Lewis Wade’s monograph 'Privilege, Economy and State in Old Regime France: Marine Insurance, War and the Atlantic Empire under Louis XIV (Boydell Press, 2023)'.

Hungary belongs to the EU, but democracy is being seriously and systematically threatened there. Does the rest of the EU have the means and the political will to deal with member states that are out of step? Antoaneta Dimitrova, professor of 'Comparative Governance' at the Institute of Security and…

Lucien van Beek studied Comparative Indo-European Linguistics at Leiden University, focusing on Ancient Greek. As of February 2015, Van Beek will be project manager at Ineke Sluiter’s Greek-Dutch dictionary project.

LUCL PhD researcher Marijn van Putten has received a Veni grant by the science funding agency NWO.

Daniel Peat will represent the ISDS Academic Forum, a group of over 150 academics whose research focusses on investor-state dispute settlement (ISDS), at forthcoming discussions on the reform of the ISDS system taking place in New York.

On Thursday 24 May 2018, Tanja Masson-Zwaan of Leiden University’s International Institute of Air and Space Law and Prof Mahulena Hofmann of the University of Luxembourg had the honour of addressing the King and Queen of the Netherlands and the Grand-Duc and Grand-Duchess of Luxembourg during the State…

The European Commission has started an investigation into possible illegal state aid from the Netherlands to Nike. It is high time that agreements between Tax Authorities and multinationals are made public, says Associate Professor in Tax Law Jan Vleggeert.

Leiden Law Cast is a podcast made by Leiden Law School, Leiden University, for everyone who wants to learn more about current legal issues.

Despite the rain and awful weather, the painting job has been finished within a week. The Van der Waals-state equation is the eighth Leiden wall formula.

While the first votes of the American elections are being counted, PhD candidate Tessa van Buchem appeared as a guest on Radio 1. During the radio broadcast, she discussed the US Supreme Court: ‘The judges are seen as politicians in gowns.’

On 12 March (at 14.00) Nathan van Kleij will defend his dissertation at the University of Amsterdam. The title is: "Beyond the Façade: Town Halls, Publicity, and Urban Society in the Fifteenth-Century Low Countries". It will be streamed online. Interested parties can obtain a link by mailing to: pro…

This article studies the securitization of immigration in the United States of America (U.S.), through the analysis of the National Security Strategies (NSS) published between 2002 and 2017, using a two-layered analytical framework that combines securitization theory and agenda setting theory.

Lydie Cabane, Assistant Professor in Governance of Crises at the Institute for Security and Global Affairs, recently published the book The Government of Disasters. In this book Lydie explores how the South African state bureaucracy reacts to disasters.

The 11th edition of Leiden Museum Night will take place on Saturday 18 May 2019. Nine museums will once again be opening their doors. As it is Leiden University’s 444th anniversary this year, we will be celebrating in style at the Academic Historical Museum.

The digital age offers unprecedented opportunities: information is always accessible, systems are interconnected, and processes are automated. However, these developments also give rise to new threats. During the Night of Digital Security on 26 May at the Wijnhaven building, more than experts shared…

Carola Schoor, programme manager for Public Affairs at the Centre for Professional Learning (CPL), reflects on Politico on the State of the European Union speech by Commission President Ursula von der Leyen from a political strategy and messaging perspective.

In a new essay for Ethics & International Affairs, Dr Henning Lahmann, Assistant Professor of International Law & Technology at eLaw, addresses the question whether states should resort to social media to warn a civilian population ahead of military operations.

LUMC Technology Focus Area (TFA) Data Analytics is een samenwerkingsverband van verschillende onderzoeksgroepen in het LUMC die nieuwe kwantitatieve en computationele methodologie ontwikkelen voor biomedisch en klinisch onderzoek.

This programme video is presented in Dutch