This research project explores themes related to the system of close protection and surveillance (Dutch: bewaken en beveiligen) in the Netherlands.

Research goal: To support the design of technologies (counter-measures and communication measures) for the prevention, interdiction and mitigation of lone actor extremist events (LOEEs), which are hard to anticipate, yet can be highly damaging to local and national communities and therefore must be…

The Modern and Contemporary Cluster is the largest within LUCAS and home to more than 100 staff members and PhD candidates.

In this work, I explore the creation of new methods that optimize simulations of the gravitational N-body problem. Specifically, I take advantage of the recent popularity of Machine Learning methods to find tools that can suit this problem.

These syntheses allow the team to determine the extent to which schools-based interventions are effective at targeting radicalisation-related outcomes.

The field and the classroom invites ethnographers to engage with critical and engaged pedagogies. Breaking down the barriers between fieldsite and lecture hall, this research cluster aims to interrogate the structures and values that shape anthropological and sociological education today.

This research cluster is a part of the Institute of Political Science’s research programme ‘Institutions, Decisions and Collective Behaviour’. Its members study the design and functioning of Dutch political institutions as well as attitudes and behaviour of political elites and citizens.

LUCAS’ Medieval and Early Modern (MEM) cluster brings together expertise in the fields of art, literature and media. It focuses on the arts in society in Europe and beyond during a vast period of time, from the 7th through to the 18th centuries CE.

This research cluster is a part of the Institute of Political Science’s research programme ‘Institutions, Decisions and Collective Behaviour’. Its members focus on the democratic role of citizens and the representative links between voters and politicians.

The course is taught by experts from Leiden University’s Institute of Security and Global Affairs, alongside leading practitioners. Their expertise spans international relations, security policy and counterterrorism, bridging academic insight with real-world experience.

The Institute of Political Science has a multi-dimensional research programme that promotes the unity of the institute as an intellectual community rooted in the social sciences and especially political science, while enabling overlapping groups of colleagues to develop particular research agendas within…

In support of the research and education, the Leiden Institute of Advanced Computer Science (LIACS) has a Research and Education laboratory at its disposal. Within this environment, we can offer machines that go beyond normal office automisation and production.

Schuurman examines how Russia is escalating its covert operations against European countries.

This research note argues that the “lone wolf” typology should be fundamentally reconsidered.

The Leiden University Centre for the Arts in Society (LUCAS) is one of the few research institutes in the world in which researchers in the field of literature, art, architecture, design and media studies come together to conduct research into the cultural production of the western world, from classical…

This research cluster explores processes of cultural creation, reception and transformation within a wide range of societal contexts from the early Middle Ages until c. 1800.

Polarisation in our society is on the rise. What makes people increasingly radical? How do we protect ourselves from extremist, terrorist or criminal threats, be they physical or in the cyber world? And what role do intelligence services play in this?

Cluster contact information & address

Cluster contact information & address

This research cluster is a part of the Institute of Political Science’s research programme ‘Institutions, Decisions and Collective Behaviour’.

This research cluster is a part of the Institute of Political Science’s research programme ‘Institutions, Decisions and Collective Behaviour’.

The legitimacy and justice of political institutions and arrangements are among the perennial and defining subjects of the field of political theory. Political theorists who participate in the research cluster ‘Legitimacy and Justice’ engage in both systematic and historical reflection on the ways legitimacy…

Leiden University researchers and their collaborators report the development of new research frameworks that use day-to-day smartphone behavior gathered from a large sample of healthy people to help understand aging, and how aging alters with epilepsy and stroke. These reports occupy two back-to-back…

In an increasingly complex and security-challenged society, the CSM programme, Terrorism and Political Violence, provides you with the theoretical and practical skills to understand the issues underlying security challenges and develop solutions for crisis and security management.

The Modern and Contemporary Studies cluster is part of the Leiden University Centre for the Arts in Society (LUCAS).

LUCAS is home to a multidisciplinary academic community that facilitates deep analyses of, and appreciation for, the power and dynamics of cultural products (texts, objects, practices) in our past and present. Through high-quality research, education, and valorisation, our Institute contributes to a…

Beowulf clusters looking for new frontiers.

LUCAS members are experts in the fields of literary history and theory, film and media studies, and art, architectural, and book history.

The various bodies involved in the organisation of the Leiden Institute of Advanced Computer Science (LIACS) are listed below.

Commentators and scholars view both social media and cities as sites of fragmentation. Since both urban dwellers and social media users tend to form assortative social ties, so the reasoning goes, identity-based divisions are fortified and polarization is exacerbated in digital and urban spaces.

Both within the university and also with outside partners, Leiden University participates in sustainability programmes. These initiatives hopefully contribute to a growing and more robust sustainability movement, locally and world wide.

Despite being the object of intense study, embryonic development has been difficult to model due to a number of reasons. First, complex tissues can be comprised of many cell types, of which we probably only know a subset.

It is integral to many cluster members’ research to use Medieval and Early Modern Arts as a lens for studying the medieval and early modern periods at large:

On the first floor in the Hugyens building is the Studio Classroom, room 111, a 64 person room designed for groupwork for groups of 6-8. There are 8 group clusters around fixed tables, with wheeling chairs. Each cluster has its own wall-mounted monitor which is can be connected by HDMI, or which can…

This one-year, English-taught Master's programme offers insights on general developments as well as the specific challenges in the field of the governance of crisis and security, with in-depth knowledge of sub-fields of crisis and security management.

Research in Leiden University’s Institute of Political Science focuses on the dynamics and the interaction of political institutions, individual decision-making, and collective behaviour.

This paper, written by Silvia D'Amato & Andrea Terlizzi, investigates the extent to which the European Union is strategically engaging against terrorism.

Nobody is better qualified to tell you what it is like to work at Leiden University than the employees themselves. Watch the videos and meet your future colleagues. They will be happy to share their experiences with you.

This project explores innovative strategies to counter online extremist content, focusing on integrating traditional content moderation tactics with targeted online interventions. Through research, workshops, and data-driven experiments, we aim to answer: How and when should traditional content moderation…

Una Europa offers many opportunities for professional services employees.

MPs in the Netherlands are first and foremost motivated by their direct environment, i.e. the parliamentary and partisan institutions.

Many biological processes occur by biomolecules coming together and organizing into specific clusters without being bound to each other. These interactions range from clustering, transiently interacting (kiss and run), or assembling to multimeric units that can only function in conjunction. The hydrogen…

Central to the research of several cluster members are the social function and contexts of the production and consumption of medieval and early modern art, literature and media:

A core interest of our cluster members concerns processes of reception, transformation and (interlingual and intermedial) translation in medieval and early modern art, literature and media from diachronic and synchronic perspectives (in time, space, and between media).

The area will undergo major changes, in a phased plan. Teaching will continue during this period. The existing education buildings will be tackled one by one. Some of the buildings will be reconstructed, and for others the building shell will undergo renovation. The Humanities Building is expected to…

What are the various forms of inter-organizational collaboration in the public safety sector? How are different forms of inter-organizational collaborative arrangements related? What is the relationship between inter-organizational collaboration and innovation in the public safety sector?