This study employs a comparative perspective to identify generic and specific qualities of petitions and petitioning. It charts the chronological development of petitioning practices over centuries. The interdisciplinary approaches provide range of conceptual and methodological expertise for reade…

A week before Christmas, the Deltaplan for Dutch Mathematics was presented to Hans de Groene (director NWO) and Sjoerd Verduyn Lunel (chairman Platform Wiskunde Nederland). Prof. dr. Frank den Hollander was one of the leading researchers in mathematics taking part in the Commission Deltaplan Mathema…

The oldest paleoanthropological archive in the world, the Eugène Dubois archive, was presented to Naturalis Biodiversity Center on 13 January. Leiden professor, Jan Slikkerveer, who was the owner of the archive and spent years researching it, handed it over to Naturalis Director, Edwin van Huis, under…

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?

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…

On 10 May, GTGC Chair Prof. Jan Aart Scholte, presented the paper ‘Legitimacy in Global Governance: A Cross-Level Analysis’ at the European University Institute (EUI) in Florence, Italy.

The Leiden Centre for Continental Philosophy (LCCP) is a research community based at the Institute for Philosophy at Leiden University. LCCP is envisaged as an open space for stimulating discussion, critical debate and inventive co-operation in the local and international philosophical community. We…

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?

On 3 May2017 LAPP participated in a meeting on microplastics at the Plastic Soup Foundation.

The Student Cabinet, a shadow cabinet with students from the Dutch universities, has presented its first ‘coalition agreement’. As Minister for New Democracy, Leiden student Zeineb Romdhane says inclusion should form ‘the basis of our democracy’.

Dr. Moritz Jesse, associate professor for European Law gave two presentations at the annual conference of the Council for European Studies, which took place in the city of Chicago, end of March 2018.

Also in 2024, our colleagues from the Institute of Psychology were visible in the media in various ways. Check out their appearances in Dutch media, from NRC to the Podcast psychologist.

LUGO got the opportunity to present the Green Paper at the third lunch session of the Liveable Planet initiative on the 25th of May.

This timely and engaging book examines the rise of populism across the globe. Combining insights from linguistics, argumentation theory, rhetoric, legal theory and political theory it offers a fully integrated characterization of the form and content of populist discourse.

Unmanned aerial vehicles (UAVs), often referred to as drones, have become easy and inexpensive to buy, and it is generally expected that the use of drones by private individuals, businesses and public authorities will increase tremendously in the coming years. This raises questions as to what is technologically…

Announcement of the publication of Vamping the Stage: Female Voices of Asian Modernities, the first book-length study of women, modernity, and popular music in Asia (University of Hawai'i Press, 2017).

Global Challenges is the research programme of the Leiden Institute of Cultural Anthropology and Development Sociology.

Fundamental research in the ALgebra, Geometry And Number Theory

EuDEco (Modelling the European Data Economy) is a Coordination & Support Action (CSA) receiving funding from the European Union’s Horizon 2020 programme.

The authors in this volume explore how external innovations (products, technologies, services, institutions and processes) have been appropriated in African societies in order to be acceptable and relevant to local conditions, expectations and demands.

Pottery traditions and social interaction in the earliest Neolithic of the Lower Rhine Area

This paper contributes on an increasing body of work on radicalisation. It specifically focuses on what distinguishes individuals whose behavioural radicalisation includes involvement in terrorist violence from those whose behavioural radicalisation does not.

Source: Nat Biotechnol, Volume 32, Issue 12, pp. 1213-22 (2014)

Sweetie 2.0 is a research project commissioned by Terre des Hommes on online child sex tourism and criminal law.

The Turn of the Soul: Representations of Religious Conversion in Early Modern Art and Literature

Together with Knud Andresen, Bart van der Steen recently published a volume titled A European Youth Revolt. European Perspectives on Youth Protest and Social Movements in the 1980s.

This article presents an in-depth evaluation of a specialized reintegration initiative within the Dutch Probation Service focused on individuals convicted or suspected of involvement in terrorism.

Transcutaneous vagus nerve stimulation (tVNS) was tested in chronic worriers. tVNS may reduce spontaneously occurring negative thought intrusions. After a worry induction, there was no longer an effect of tVNS. tVNS did not affect physiological responding to worrying.

Source: Eur J Med Chem, Volume 101, pp. 681-91 (2015)

In recent years, the use of primary data in terrorism research has increased. In order to maximise the benefits of this trend, we want to encourage terrorism scholars to implement open science practices more systematically. This article therefore presents different avenues towards open and reproducible…

Why does one person radicalize to involvement in terrorist violence within a group-based context, while another engages in this form of violence alone?

From deepfakes and disinformation to killer robots, surgical robots and AI lawmaking: AI (Artificial Intelligence) is changing our world. That raises the question whether this requires some form of regulation. At eLaw, the Center for Law and Digital Technologies at Leiden University, prof. Bart Custers…

The book addresses the question “How and why do people become involved in European homegrown jihadism?

The institute has six secretariats for the various departments and is located at the Kamerlingh Onnes Gebouw.

In this article, Bart Schuurman and Sarah Louise Carthy explore the distinctions between radicalised individuals and the general population

Childhood sexual abuse is a common problem, with approximately one in five girls and one in 13 boys worldwide experiencing some form of sexual abuse before the age of 18. Despite its high prevalence, many individuals remain silent about these experiences, often delaying disclosure for years, with one…

In this publication, the authors explore the reality of accessing and interviewing hard-to-reach populations such as extremists and terrorists

Each year, the Leiden University Student Platform (LUS) presents the Leiden Education Prize.

This article provides an in‐depth assessment of lone actor terrorists’ attack planning and preparation.

Promotor: P. Stevenhagen, Co-promotores: B. de Smit, F. Andreatta

In this thesis we classify the pairs (p,G), where p is a prime number and G is a finite p-group possessing an intense automorphism, i.e. an automorphism that sends each subgroup of G to a G-conjugate, that is non-trivial and whose order is coprime to p.

Promotor: Prof.dr. P. Stevenhagen, Co-promotor: Prof. dr. B. de Smit

Source: Nature Biotechnology, Volume 2014, Issue June (2014)

The Graduate School of Social and Behavioural Sciences has the responsibility for all PhD candidates in the field of social and behavioural sciences. The School's themes are anthropology, education and child studies, political science, psychology and science and technology studies..

Unfolding potential

In the last two decades, there have been heated public and scholarly debates in France, the United Kingdom, and the Netherlands on the violent end of empire. Nevertheless, the broader comparative investigations into colonial counterinsurgency tend to leave atrocities such as torture, execution, and…

Do you wish to contact us for further information on the collaboration between Leiden University and Indonesia?

This article examines Russia’s use of low-level agents in covert operations across Europe since 2022, analysing a dataset of 145 cases to identify patterns in recruitment, demographics and network structure using social network analysis.