This article traces the evolution of interpretations of international law and international cyber norms on responsible state behaviour in cyberspace by reassessing five major – and allegedly state-led – cyber operations: Stuxnet 2010; Belgacom 2013-2014, the Ukrainian power grid 2015, the US presidential…

Rather than one key and one strong lock, biology often uses tens or hundreds of weaker links to bind parts together, such as cells membranes. This allows for selectivity and also reversibility: the binding can also be undone. Researchers first caught this phenomenon using spheres or colloids, and published…

Vice-President Vance uitte bij zijn recente bezoek aan Groenland kritiek op Denemarken. Trump had eerder al afstand genomen van Europa. Luuk van Middelaar, hoogleraar Grondvesten van de Europese Unie, en oprichter van het Brussels Instituut voor geopolitiek, deed een analyse over de situatie in Nieu…

This open access book investigates the transnationally connected history of Arab Christian communities in Palestine during the British Mandate (1918-1948) through the lens of the birth of cultural diplomacy.

KNOWMAK project aims at developing a web-based tool, which provides interactive visualisations and state-of-the-art indicators on knowledge co-creation in the European Research Area (ERA).

In 2013, Sylvestre Bonnet received an ERC Starting Grant to kill cancer with molecules that can be activated by light. Two postdocs and three PhD students later, the end approaches of his so far successful project.

This research paper was requested by the European Parliament's Committee on Civil Liberties, Justice and Home Affairs. It was published by the International Centre for Counter-Terrorism (ICCT) in The Hague. Leiden University is one of the participating institutes in this publication and our researcher…

Eva Michaels & Monika Sus examines European Strategic Autonomy (ESA) as the EU’s response to the fragmentation of the Liberal International Order.

Introducing five papers about of the impact of crises on the governance, decision-making, and institutional design of the Euro Area, political scientists Valerie D'Erman (University of Victoria, Canada), Paul Schure (University of Victoria, Canada) and Amy Verdun (Leiden University) summarise the 'lessons…

Light obscuration (LO) is the current standard technique for subvisible particle analysis in the quality control of parenterally administered drugs, including therapeutic proteins.

Promotores: Prof.dr. C.U. Keller, Prof.dr. H.C. Gerritsen

Surface acoustic waves (SAWs) are mechanical waves that travel along the surface of a material and find many applications in modern technologies due to the ease of excitation on piezoelectric substrates via interdigital transducers (IDTs).

In astronomy, the interpration of observations and measurements plays a crucial role: we rely purely and fundamentally on the information that reaches us as observers. And 80% of all matter in the universe is undetectable directly.

How did we come into existence? Are we alone? These questions have driven humans for centuries.

The Dutch Minister for Infrastructure and Watermanagement Cora van Nieuwenhuizen has offered the first copy of the book ‘Behind and Beyond the Chicago Convention: The Evolution of Aerial Sovereignty’ to the Secretary-General of the International Civil Aviation Organization (ICAO).

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…

Matthias Haentjens, Jouke Tegelaar and Dorine Verheij have recently published the chapter Financial Market Regulation and Supervision in the new volume of the prestigious The Law of the European Union (previously Kapteyn and VerLoren van Themaat).

Just published: United in incoherence – Private law concepts under pressure from European financial law (in Dutch), in: Tijdschift voor privaatrecht 2017-4

Italian PM Meloni’s election promise to limit the number of boat migrants entering the country looks like being fulfilled with help from Albania. A deal was recently approved that provides for two reception centres for asylum seekers in Albania. Dr Mark Klaassen, an expert in immigration law, questioned…

Farmers on the outskirts of Nairobi National Park protect their livestock using flashing lights on top of the animal enclosures. This system keeps lions away at night. Leiden research has shown that the method is both simple and effective. Publication in PLOS ONE.

A portrait of the complex historical process of over 500 years of European colonialism in the New World.

How do processes of coalition-formation influence patterns of decision-making in the European Union?

Physicists have manipulated light with large artificial atoms, so-called quantum dots. Before, this has only been done so well with actual atoms. It is an important step towards light-based quantum technology. Publication on August 30th in Nature Communications.

On 14 November 2019, Luis Fiallos Pazmino defended his thesis 'Legal Perspectives on the Cross Border Operations of Unmanned Aircraft Systems'. The doctoral research was supervised by Prof. P.M.J. Mendes de Leon and Prof. E.C.P.D.C. De Brabandere.

On Thursday 15 February 2018, the Hazelhoff Centre for Financial Law welcomed Roel Janssen, financial and economic journalist and writer, for the fifteenth Hazelhoff Guest Lecture.

Recently, Ingrid Leijten’s book Core Socio-Economic Rights and the European Court of Human Rights was published with Cambridge University Press. The monograph was published in the series Cambridge Studies in European Law and Policy (edited by Laurence Gormley and Jo Shaw) and deals with the protection…

Bas Verberk defended his thesis on 6 September 2016

This dissertation contains the further development of a method for linguistic-stylistic research, which provides a systematic means to interpret global impressions of a text through choices in formulation at word- and sentence level.

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

On 26 February 2020, Hans-Jan van Kralingen defended his thesis 'De ondeelbaarheid van het pand- en hypotheekrecht, deconstructie van een leerstuk'. The doctoral research was supervised by Prof.mr. W.J. Zwalve and Prof.mr. E. Koops.

This publication is in Dutch.

Promotor: F.J. van Lunteren, E. Jorin

The dissertation focuses on the work of German philosophers Theodor W. Adorno and Max Horkheimer, founders of critical theory at the Frankfurt School. Specifically, it is a study of the “early” writings, dated between 1925 and 1940, to reconstruct the early stages of critical theory. The thesis argues…

Fish climbing trees, storks taking care of their parents… Premodern textual and visual culture presents us with a fabulous bestiary that reveals ingenious and rich reflections on the animal kingdom.

Michiel Pronk defended his thesis on 30 March 2016

This book aims to understand cultural transitions and negotiations between art and politics from 1989 to 2020 through analysis of a series of Cuban novels.

The study at hand focuses on the control of sex and youngsters through the response by authorities most notably from within criminal justice.

This work focuses on the interpretation of the archaeological remains of the Mixtec culture in Southern Mexico on the basis of the knowledge, perceptions, economy and worldview of contemporary descendant communities.

Digital edition of the correspondence between the philosopher Gerardus Johannes Petrus Josephus (Gerard) Bolland (1854-1922) and the philologist Pieter Jacob Cosijn (1840-1899), consisting of 46 letters covering the period 1879 to 1899.

The Dutch prefix ge- in historical perspective gives first of all a general account of the development of the word formation processes involving ge- in which special attention is paid to the participial ge-.

ASLU 29 Maarten E.R.G.N. Jansen, Valentina Raffa (2015)

Study information

This book, written by two representatives of Leiden Law School, describes the framework of the European Insolvency Regulation (recast) (‘EIR Recast’), in force since June 2017.