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

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?

In this article, Bart Schuurman and Sarah Louise Carthy conduct further research into the understanding of the causes of terrorism by assessing differences and similarities between left-, right- and jihadist extremists and terrorists. The article draws on the Analysen zum Terrorismus, one of the most…

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)

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…

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.

This year’s University elections will be held from 25 to 29 May. You get to choose who will represent you this coming year in the University Council as well as the faculty council of the Science Faculty. This week, the various student parties will introduce themselves. Today: Lijst Vooruitstrevende…

‘Our faculty is a very international community. And that is something everybody really benefit from,’ says Yun Tian. As the officer internationalisation, she is the bridge between international students and staff, the faculty and universities abroad. ‘Science goes beyond countries and carries no nationality.…

From 14 to 29 PhD candidates, seven actively involved faculties and, above all, lots of innovative interdisciplinary research, all with data science as the common denominator. The university’s Data Science Research Programme (DSO) has proven so successful that after five years on a start-up grant it…

Mathematician Robbin Bastiaansen, physicist Irene Battisti, pharmacist Fouzia Lghoul-Oulad Saïd and physics and astronomy student Maite Boden are the winners of the annual prizes of the Faculty of Science. Boden was honoured as the first Young Star, a new prize for the best bachelor’s student of the…

Professor Michiel Kreutzer has been appointed as Dean of the Faculty of Science at Leiden University. He will take up the role on 1 January 2020. At present, he is Head of the Department of Chemical Engineering and Director of Education at the Faculty of Applied Sciences at Delft University of Technology.…

Being an assistant professor can be rather solitary. You often do not have your own research group and also you don't yet have the extensive network of associate professors or professors. The Young Academy aims to change just that. The first edition of the Young Faculty of Science lunch in June was…

An article about our Mathematical Institute (MI) appeared on 23 June in the University newspaper Mare.

On Thursday 11 April, at its annual meeting in Turin, the European Law Faculties Association awarded its dissertation prize to Vestert Borger, assistant professor in European Law at the Europa Institute of Leiden University. The Association, founded in 1995, has as its aim to increase the quality of…

During the farewell reception on 29 August, the Faculty of Science will say goodbye to Dean Geert de Snoo. On 1 November 2019, he will continue his career as Director of the Netherlands Institute of Ecology (NIOO-KNAW). Colleagues talk about his significance for ecology, about his contribution as a…

This year’s University elections will be held from 25 to 29 May. You get to choose who will represent you this coming year in the University Council as well as the faculty council of the Science Faculty. This week, the various student parties will introduce themselves. Today: Liberale Studentenparti…

Keep improving: that’s the philosophy of LEAN, a method to tackle practical problems at the workplace yourself. After a successful start in 2017, in 2019 a third group started working with the LEAN training in self-selected improvement trajectories. In October the participants received their diploma.…

Since Thursday 19 October, the name Faculty of Science flaunts on the façade of phase 2A! We are getting closer and closer to the completion of the impressive new Gorlaeus Building.

The Executive Board of Leiden University has decided to nominate Prof. Dr. Kutsal Yesilkagit dean of the Faculty of Governance and Global Affairs, from 1 January 2016 on for a period of 3 years.

Starting 1 September, three new Programme Directors will begin at FWN. Daan van der Es, Reinout van Weeren, and Amineh Ghorbani will each be responsible for a master's programme in our faculty.

Source: Purinergic Signal., Volume 10, Issue 3, pp. 441-53 (2014)

With the rise of information and communication technologies, large amounts of data are being generated and stored in databases. In order to get a better grip on these large amounts of data, serious efforts are being made to discover patterns and relations in the data with the help of new techniques.…

e-SIDES (ethical and societal impact of data sciences) is a Coordination & Support Action (CSA) part of the Horizon 2020 programme.

What are the circadian disturbances underlying depression vulnerability? How are they related to mood, cognition and sleep ?

Embedding ethical legal and societal aspects for responsible military AI.

Examining mediation and moderation.