This article introduces the special issue on ‘Digital Activism’ by exploring some of the trends in social media activism and scholarship thereof. The authors ask to what extent this literature helps us understand Asian forms of online activism, which forms of activism have relatively done well, and…

What was the environmental impact of the industrial mining revolution that transformed southern Africa? Specifically, what was the impact of industrial mining when viewed from a more than human multi-species perspective?

TikTok’s stricter age checks are a good move, says Bart Custers, Professor of Law and Data Science, in an opinion piece in ‘de Volkskrant’. But he warns of risks related to privacy and discrimination.

Southeast Asia is a term to denote a collection of at present eleven nation-states with an enormous diversity in languages, cultures and religions. Muslims can both take a majority and a minority position.

Explore philosophical research and education at the Leiden Institute for Philosophy. Our scholars study knowledge, ethics and existence, connecting classical and contemporary thought.

How does the development of digital technologies impact society, and law/regulation within that society?

Artin L-functions associated to continuous representations of the absolute Galois group G_K of a global field K capture a lot of information about G_K as well as arithmetic properties of K.

The territories that would make up what is today the Republic of Zambia officially became British in 1891. However, this did not equate to an on-the-ground presence of colonial authority capable of affecting the destiny and daily lives of people.

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

With the growth of cybercrime in recent years, there is an urgency to gain insight into the money laundering process and the actors involved. This study focusses on the money laundering process and maps the actors involved in banking malware and ransomware.

Promotor: H.W. Lenstra, Jr., Co-promotor: B. de Smit

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

‘We’re going to see each other again on campus. We’re so pleased, but we do have to say safe.’ Rector Magnificus Hester Bijl is looking ahead to the new academic year, which begins on 6 September. No more 1.5m distancing, but we do have to take responsibility for other people’s safety.

Last weekend, an article on data privacy appeared in Trouw. In this essay, Bram Klievink, Professor of Digitization and Public Policy at the FGGA, addresses the issue of data privacy. What are the downsides of the rules the tech giants have to abide by?

Understanding the evolving landscape of extremism in the 21st century.

How can data analytics be used as a research method in the field of legal research? This question was addressed during the Research Lab Legal Data Science on 23 September, 2016.

This thesis focuses on data found in the field of computational drug discovery. New insight can be obtained by applying machine learning in various ways and in a variety of domains. Two studies delved into the application of proteochemometrics (PCM), a machine learning technique that can be used to…

With her background in Cultural Anthropology and Development Sociology, Leonie Siepmans brings a unique perspective to the corporate world. Find out what an anthropologist does in a big company.

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?

LUCIS works with Science ON AIR to put its researchers in the spotlight. For that purpose, several online videos of LUCIS members have been produced.

On 23 January 2020, Paula Kemp defended her thesis 'Enforced performance of commercial sales contracts in the Netherlands, Singapore and China'. The doctoral research was supervised by Prof. H.B. Krans and Prof. M.H. Wissink (RU Groningen).

In November, Springer published a book on The Future of Drone Use, edited by dr. Bart Custers, associate professor at eLaw, the Center for Law and Digital Technologies of Leiden University.

Astronomer and Marxist Anton Pannekoek was a remarkable figure. This book aims to study the connections between his life as a socialist theorist and as a pioneering scientist through the prism of Pannekoek's biography.

Contact details and staff overview of the Leiden University Graduate School of Social and Behavioural Sciences.

Acquiring and maintaining public support is frequently cited as an important requirement for governments fighting non-state actors. But how exactly can public support influence the course of counterterrorism campaigns and thereby contribute to an escalation or de-escalation of violence?

The Editors of PAIR are always interested in suggestions for themed editions. Anyone wishing to propose a theme and/or to assist as a ‘guest editor’ should contact one of the editors of PAIR.

Can excessive worrying be reduced via stimulation of the vagus nerve?

Lange tijd wisten we ons thuis in een wereld die we meenden te hebben. Het bestaan in deze vertrouwde wereld vormde onze existentie, die we op een eigenlijke wijze op ons namen. Thans is de wereld echter niet meer wat hij was, en zijn we ook zelf niet meer wie we waren. ‘De wereld is weg’, zo dichtte…

Philosophy of law is concerned with the the foundations of law.

Who were the main artists and producers who generated new forms of popular music? What was the music like that was produced by artists in particular urban settings? How were particular lifestyles articulated to identify new audiences and what does this reveal about the way popular music contributed…

The course is taught by experts from Leiden University’s Institute of Security and Global Affairs (ISGA) from Leiden University, and guest speakers from various countries and universities. They bring academic depth and practical experience from the fields of security policy, counterterrorism, and international…

Rachel Beckles Willson started her career as a concert pianist but was later captivated by the Middle Eastern stringed instrument called the oud. On 1 December, she was appointed professor by special appointment of 'Intercultural Performing Arts'.

How do government officials and humanitarian organisations in Malawi anticipate and speculate on future disasters?

Digitalisation to achieve sustainable (administrative) justice.

Why are people sometimes unable to change, even if they want to? Why is it so difficult to change political institutions, or to abandon outdated ways of thinking? This book suggests that we can understand the phenomenon of resistance to change in individuals and institutions by returning to Hegel, one…

Much has been said regarding the global flows of information that are characteristic of modernity; it has been frequently stressed that these conduits are so deeply embedded that local or national environments may be imagined as having a global span. Thus, while we are now well aware that the imagination…

The profile area Political Legitimacy brings together researchers from multiple research institutes within Leiden University.

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

In 2012, the Dutch National Coordinator for Security and Counterterrorism and the Dutch Probation Service launched a reintegration project for offenders on probation or parole who were (suspected to be) involved in jihadist extremism or terrorism. The initiative's primary goal was to reduce the chance…

The second and final report on the Netherlands‘ crime-terror nexus has analysed all fourteen profiles of individuals arrested in 2015 for offences of terrorism.

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

This thesis concerns the relation bettween the good reduction of Shimura varieties and the associated loop groups.

Technology holds so much promise – from self-driving cars to enhanced physical performance from smart implants under the skin. But we should not let ourselves be caught off guard. That is the message of Bart Custers, Professor of Law and Data Science in his inaugural lecture on 21 May. ‘We don’t talk…

The Collective Experience of Empathic Data Systems (CEEDs) consortium developed novel integrated technologies that support experiencing, analysing and understanding of very large datasets.

PhD defence

Simulation project EAGLE has won the 2022 Group Achievement Award of the Royal Astronomical Society. EAGLE is a large collection of simulations about the formation of galaxies. The largest simulation contains as many as 6.8 billion particles and took months to calculate on the world's fastest superc…

This project sets out to map, document and analyze instances of squatting in Leiden from 1970 to 1990, in order to set up an online Digital Archive of Squatting in Leiden. This archive will function as an online resource for academic research, as well as a starting point for public activities such as…