On these pages you will find information on the research that is being conducted at each of the participating universities as well as the funding programme set up by the Research School.

In theory, states can gain security by acquiring internal arms or external allies. Yet the empirical literature offers mixed findings: some studies find arms and allies to be substitutes, while others find them to be complements. Political scientists Matthew Digiuseppe (Leiden University) and Paul Poast…

Our world is shrinking, or at least our electronic devices are. From PCs to mobile phones: everything is smaller and thinner. The smaller the chip, the better it can conduct electricity and pass on information.

This article provides a behavioral perspective that examines responsibility attribution to the national government (upward) and policy implementers (downward) as a function of performance relative to decision-makers' aspiration levels. The study proposes that perceived accountability increases the propensity…

Promotor: T. H. Oosterkamp

A plasma is an ionized gas with very low electrical resistivity. As such, magnetic field lines are 'frozen in' and move with the fluid. Magnetic field lines that are linked, knotted and tangled, cannot be undone by the fluid motions.

The University’s Vision on Student Well-Being outlines how the University plans to promote student well-being in the coming years.

This article explores the concept of issue prioritisation within the context of public administration research, focusing on decision-making processes.

Molecular materials have been a subject of interest in fundamental research and applications for decades, and have been studied as bulk crystals, (thin) films and as individual molecules, due to the large variety in their properties. This dissertation explores pentacene crystals near the two-dimensional…

This procedure is relevant for contract and external PhD candidates only.

The Van Vollenhoven Institute for Law, Governance and Society (VVI) is part of the Leiden Law School.

Throughout the history of computer science, a major challenge has been how to assert that software is free of bugs and works as intended. Software bugs can lead to serious negative impacts on any software system. Throughout the main body of the thesis, we implemented a series of studies on exploring…

The University wants its teaching and research to have the maximum academic, cultural, social and economic impact.

Spectroscopic studies on fluorescent single molecules in organic condensed matter does not only provide information about the molecule itself, but also its near environment. By suppression of phonon-induced broadening of spectral lines through cooling to low temperatures, small changes in the spectral…

Politicians' statements often involve emotions, shaping public perceptions. This study highlights the role of emotions in EU foreign policy.

The Mathematical Institute regularly has vacancies. These are advertised on the homepage of the Mathematical Institute or on the general website of Leiden University. You can also join the Mathematical Institute as a guest, and of course you can also pursue a bachelor's or master's degree with us.

The institute is lead by the Scientific Director, prof.dr.ing. Martina G. Vijver, Director of Operations: Drs. Paul C. de Hoog and Director of Education Dr. Stefano Cucurachi in collaboration with the Management Team.

Below you will find important information for new and current PhD candidates at the Institute for Philosophy.

The deans (chairs of the faculty boards) form the Board of Deans, which is chaired by the Rector Magnificus.

Accurately recognising others’ emotions is a fundamental social skill, relevant for navigating the social world from early childhood. Children’s ability to do represents a milestone in their socioemotional development and is associated with a number of important psychosocial outcomes. Many individual…

Once a month, the Europa Institute comes together to hear from its own staff members, guest researchers, or external scholars about their research plans, work in progress papers, or recently concluded projects relevant to European law. The Food for Thought-series is organised by Melanie Fink.

The programme places emphasis on the interrelation of regional economic law of the European Union with global or trade law of the World Trade Organisation.

The Intelligence and Security Research Group at Leiden University explores how intelligence and security services function within political, bureaucratic, and societal contexts, and how their methods can be enhanced.

The left is gaining more and more ground on the political map of Latin America, with the elections in Colombia as the most recent example. But what’s behind this pull to the left? Professor of Modern Latin American History Patricio Silva talks about the current political situation in the region.

Jan de Vetten brengt zijn promotieonderzoek ook uit in boekvorm. ‘In de ban van goed en fout’ beschrijft voor het eerst - op basis van archiefonderzoek en interviews - op samenhangende wijze de bestrijding van de CP en CD, en ook de reactie daarop van die partijen. Waarom werden ze zo fel werden bestreden?…

According to a study conducted by multiple research institutes, governments and law enforcements should widen the scope of their focus to right-winged terrorists such as Andres Breivik. The Guardian issued an in-depth analysis of their work last week.

Wout Broekema is shortlisted for the Els Witte Prize 2019, an award for best Doctoral dissertation in political science. The prize is instated by the Nederlandse Kring voor de wetenschap der Politiek (NKWP).

For years, the Dutch National Coordinator for Security and Counterterrorism (NCTV) has collected and shared privacy-sensitive information about citizens. Experts say this is in breach of the law.

On 15 April 2019 upon the invitation of SIB-Amsterdam- Dutch United Nations Student Association Monika Baár gave a masterclass on the contemporary political situation in Austria and its historical antecedents.

A particular group of counter protesters have been sighted at numerous Black Lives Matter protests that were held in the United States. An extreme right movement known for its characteristic Hawaii Shirts and heavy weaponry that calls itself the Boogaloo Boys. Which is cause for concern among the American…

Strategic direction of the Europe Hub lies with a Steering Committee, composed of members from several Leiden University faculties.

On this page you can find out more about applying for a PhD position at the Faculty of Humanities.

One of the recurring points of discussion within the Criminal Justice research programme is the question of what behaviour should or should not fall within the scope of criminal law. This research theme is examined from a legal-dogmatic and social-scientific perspective.

Science

This article examines how motivational signals in job advertisements relate to public employers’ recruitment success.

The origin and evolution of galaxies are closely tied to the cyclic feedback processes between stars and the interstellar medium (ISM).

The main focus of our research programme is on adolescence, a key transitional period in human development. The programme puts emphasis on combined experimental behavioural and neural analysis of normative transitions and deviations in adolescent development.

The staff of the Europa Institute possess extensive expertise on European Union law and European Human Rights law generally. Current research focuses on five areas of particular relevance for European integration.

Exploring the mechanism of targeted nanoparticle-mediated drug delivery using the zebrafish model

Circumstellar discs are the reservoirs of gas and dust that surround young stars and have the potential to become planetary systems.

The work described in this dissertation contributes to a better mechanistic understanding of nanoparticles in vivo. To achieve that goal, we used the zebrafish as a highly predictive pre-screening model of nanoparticles.

Promotores: G.A. Persoon, H.H. de Iongh

A lot of our research is performed at temperatures close to absolute zero, among other reasons because this increases the sensitivity of the measurements. 

This thesis presents the results of a study on the interfaces of insulating oxides with and without the insertion of a magnetic layer.

As a contribution to the changing legislation and evolving societal attitudes concerning environmental issues, this project aims to enhance and manipulate the plants’ own natural defense mechanisms against western flower thrips (WFT).

The Executive Board is responsible for the management and administration of the entire University.

Healthy University Leiden aims to promote a working environment where staff and students can do their jobs responsibly, healthily and in positive surroundings, and where they can achieve their potential.

Dissatisfied older teachers regularly quit teaching before reaching retirement age. In her dissertation, Ietje Veldman advocates specific coaching for this group to retain them for education.

In today's volatile market environments, companies must be able to continuously innovate. In this context, innovation does not only refer to the development of new products or business models but often also affects the entire organization, which has to transform its structures, processes, and ways of…