The programme group Parenting, Child Care and Development is located in the Faculty of Social and Behavioural Sciences at Leiden University near Central Station.

This book offers novel perspectives on the national and international dimensions of the post-war welfare state in Western Europe and North America.

On Friday 14 June 2019, the second young researchers workshop was held within the framework of the Jean Monnet Chair on Mobility and Security in Europe. It was followed by an expert round table organized in cooperation with the Centre for the Law on EU External Relations (CLEER) of the Asser Institu…

The Leiden Political Economy Group (L-PEG) is a multi-disciplinary network of scholars with a research interest in (comparative / global) political economy based at Leiden University. Our members belong to various institutes and faculties across Leiden University, and from other universities across…

Industrialised countries extract natural resources in the territories of indigenous peoples, and appropriate the knowledge and culture of these peoples. Leiden anthropologists work to protect the rights of indigenous peoples. Their knowledge and advice enable governments to source sustainable produc…

We study the structure, dynamics and physics of complex networks emerging from the intricate interconnectedness of the constituents of large systems.

The Terrorism and Political Violence research group at Leiden University examines the causes of radicalisation, the tactics of extremist groups, and the effectiveness of counter-terrorism policies. We also explore the role of the media and the influence of postcolonial legacies in the Global South,…

Promotor: Prof.dr. W.T.F. den Hollander, Prof. dr. E.A. Verbitskiy

Let A be a commutative algebraic group over a field K, and let G be a finitely generated subgroup of the K-rational points of A. The purpose of this thesis is to study the degrees of the Kummer extensions relative to A,K and G.

Most of current public-key cryptography is considered insecure against attacks from sufficiently powerful quantum computers. Post-quantum cryptography studies methods to secure information resistant against such attacks. One proposal is isogeny-based cryptography, which bases its security on computational…

Within the bachelor's program of Education and Child Studies, we include the minor Kindermishandeling en Verwaarlozing: een levensloopperspectief and several other courses.

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.

On Thursday evening, 7 December, the Centre for Professional Learning (CPL) gave the government's external communication pool a glimpse of what there is to learn about Public Affairs and the scientific research that is being done about it within the Faculty of Governance & Global Affairs.

The aim of this study was to provide insight into how teachers in higher education can be supported in the design, implementation and evaluation of group assignments by developing a theoretical and evidence-based framework for the design of group assignments.

On 1 April 2020, Ivan Romashchenko defended his thesis 'Related Party Transactions and Corporate Groups: When Eastern Europe Meets the West'. The doctoral research was supervised by Prof. S.M. Bartman en Prof. A. Radwan (Kaunas, Lithuania).

Can SMILE, our multi-component intervention, which combines cognitive-behavioural therapy for insomnia, mindfulness, stress, and lifestyle components, improve sleep quality? Can it also improve mood and quality of life and prevent depression and anxiety in the long term?

Which consumer groups post the greatest cost to public health and the planet through their food choices, and how can we use this fine-scale information to accelerate a sustainable dietary transition?

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

On 12 June 2020 the ESIL Interest Group ‘EU as a Global Actor’ and City Law School London organized a Workshop on ‘The European Union’s External Action and International Law: A View From the Outside’. The event was convened by Jed Odermatt (City Law School) and Ramses A. Wessel (University of Groningen)…

How does self-reliance lead to a decrease in collaboration for public goods?

On 23 June 2021 Melanie Fink spoke at the second event in a series of six on push-backs and sea rescue at the EU external border.

In this article, Tokdemir & Klein examine the strategic actions of governments against domestic terrorist groups and domestic terrorist groups’ reactions to such actions.

The Europa Institute is delighted to announce the appointment of Freya Baetens to the Chair in EU External Economic Law.

On 17 March 2022, Ilke Göçmen from Ankara University organised a Conference within the framework of a Jean Monnet Chair on ‘Legal Issues in Turkey – European Union Relations’.

This article discusses the impact of symbolic gender representation on the willingness of citizens to coproduce.

On 23 April, Rowie Stolk defended the thesis 'Interest group litigation in the Dutch polder: An interdisciplinary perspective on access to the courts'. The doctoral research was supervised by Ymre Schuurmans and Jerfi Uzman.

When a star is born in our Galaxy, it is quite likely that it has formed within a massive cluster, which hosts numerous high-mass stars bathing their lower mass neighbours in UV radiation.

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.…

The Council of State in the Netherlands has drawn up a programme of reflection to evaluate the role of the highest administrative court in the child benefits scandal and to learn lessons for the future.

The research in my group addresses a range of topics related to quantum many-body physics.

This study seeks to partially fill the knowledge gap about national culture in Africa, basing its research on data on ethnolinguistic groups (instead of administrative regions).

In Summer 2015, Bob Wessels accepted a post as (visiting) External Scientific Fellow of the Max Planck Institute Luxembourg for International, European and Regulatory Procedural Law.

Since 2012, thousands of individuals have traveled from Western countries to join jihadist groups in Syria and Iraq. While much has been written about these individuals, only sparse attention has been paid to the social environment of these jihadist travelers and, more specific, the role of family members…

Which criteria do ED patients and therapists evaluate as most relevant for recovery? Do patients and therapists differ in their evaluations? Do eating disorder patients differ from a healthy control group in their scores on the Recovery Scale?

The Law of the European Union is a complete reference work on all aspects of the law of the European Union, including the institutional framework, the Internal Market, Economic and Monetary Union and external policy and action.

There is much wrong with the taxonomy of the plant genus Phyllanthus. Roderick Bouman of the Hortus botanicus Leiden has developed a new phylogeny for Phyllanthus and exposes the evolution of the plant genus. Publication in TAXON.

My research project aims to analyze reasons of the European Union’s (EU) inadequacy to develop a strong Common Security and Defense Policy (CSDP) with regard to the role of main EU member states, namely Germany and the United Kingdom (UK) and find the answer of how the EU overcome the CSDP question…

How can we ensure that young people vape less? How do we prevent the spread of scabies among students? And how can we encourage physical activity at work? Students from Health and Medical Psychology recently presented their answers to these questions to professionals in the field.

In an essay in Dutch magazine 'Vrij Nederland' Nikki Sterkenburg, external PhD candidate at the Faculty of Governance and Global Affairs, discusses how radical and extreme right voices have become mainstream over the last twenty years. Sterkenburg brings up several reasons why the prevailing stigma…

In maart 2024 is het wetenschappelijk onderzoek naar de versterking van de verantwoordelijkheid van gecontroleerde entiteiten zelf rondom de accountantscontrole en de jaarverslaggeving uitgebracht. Dit boek bevat de uitwerking van een onderzoek voor het ministerie van Financiën opgesteld door de Afdeling…

Hoe kan de City Deal Kennis Maken bijdragen aan het formuleren van maatschappelijk relevant onderzoek dat de stad in al haar diversiteit centraal stelt? In de stad Leiden zijn burgers momenteel maar in beperkte mate betrokken bij het bepalen van de agenda van de lokale City Deal Kennis Maken. Dit onderzoeksproject…

How and why governments engage with civil society as well as how civil society organizes itself and exerts political influence constitute the key focus of the research programme Public Governance & Civil Society. As such, this research programme offers unique expertise within the field of public administration…