Promotor: Prof.dr. H.W. Lenstra

Where did the new generation of antislavery activists get their inspiration to organize in large-scale pressure groups?

The unit residue group, to which the present thesis is devoted, is defined using the norm-residue symbol, which Hilbert introduced into algebraic number theory in 1897.

What legislative and regulatory questions arise when children, adolescents or elderly people use the Internet?

The following people are part of the Steering Group for Academia in Motion.

Strategic direction of the GTGC initiative lies with a Steering Group, composed of seven members from four Leiden University faculties. Chaired by Leiden's Professor of Global Transformations and Governance Challenges, the Steering Group addresses questions such as overall vision, staffing, communications,…

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On 14 November, Ilya Kokorin defended the thesis 'Intra-group financing and enterprise group insolvency: problems, principles and solutions'. The doctoral research was supervised by Matthias Haentjens and Reinout Vriesendorp.

Healthy University Leiden consists of a taskforce, focus group and seminars.

Several so-called Special Interest Groups are linked to DSRP. These groups focus on specialized topics and organize their own group meetings, talks etc. Contact the group leader if you are interested to join. It is possible to be a member of multiple groups.

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

The Faculty of Humanities has two advisory groups for Diversty & Inclusion: one for staff members and one for students.

Promotores: H.W. Lenstra, A. Lucchini

The purpose of eLaw's Working Groups is to stimulate a productive working environment for cooperation within the Center for Law and Digital Technologies at Leiden University.

The research group of Silke Henkes at Leiden University. Part of the Leiden Institute of Physics (LION). The group studies the physics opf active materials.

The research at The Metabolomics & Analytics Centre is centered around developing innovating analytical methods to enable metabolomics-driven systems biology in personalized health strategies.

The China Region Group develops and monitors Leiden University's cooperation with China. It is chaired by the Dean of the Faculty of Science, Prof. Jasper Knoester, and consists of representatives of Leiden University's faculties and various policy departments.

The Royal Academy of Art and the Royal Conservatoire together with the Academy of Creative and Performing Arts (ACPA) at Leiden University are developing a new platform for research in and with the arts, with an emphasis on collaboration.

The LOFAR e-infrastructure group is responsible for deploying and maintaining LOFAR processing on distributed e-infrastructure. A co-operation between SURFsara, Leiden University and ASTRON, the group develops software to integrate the LOFAR stack with processing pipelines. Our software can schedule…

The Computer Support group provides dedicated support for the computing infrastructure of Leiden Observatory

The Institute of Criminal Law and Criminology’s ‘Vulnerable Groups and Inequality’ research project draws on a number of disciplines.

Together with researchers from over the world, the ENIGMA-Anxiety Working Group endeavors to unravel the neurobiology of anxiety disorders and related constructs.

In my research, we developed a method to distinguish knots. A knot is a mathematical depiction of the everyday knot that occurs in ropes and cords.

Every PhD candidate has access to MS Teams ‘LACDR PhD group’. This site is specially for PhD candidates of LACDR. We strive to collect here all relevant PhD information and to stimulate the collaboration and communication in the LACDR PhD community.

Leiden University has a rich history in the domain of Papyrology. Papyrology+, founded in 2014, is a collaboration of Leiden scholars studying (Abnormal) Hieratic, Demotic, Aramaic, Greek, Latin, Coptic, and Arabic papyri from a socio-historical, economic and linguistic perspective.

The extensive use of electronic communication channels and other devices has opened new possibilities for collecting data on human behavior. This information is sometimes openly accessible, but largely part of administrative registration systems that are not open to the broader public. The data provides…

Promotor: S.M. Verduyn Lunel, Co-promotores: M.F.E. de Jeu, B. de Pagter

We examine the effect of social learning on emotional competence in children and adolescents with a typical or atypical development.

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.

Researchers at Leiden study group behaviour. One of their findings is that when people make sacrifices for another member of their group, it is probably instinctive. Insights of this kind enable us to better understand and influence the social processes in a neighbourhood or company.

Collaboration is increasingly common among teachers in schools. As such, teacher education should prepare prospective teachers to effectively interact with other teachers in different types of communities or groups.

The main topic of this PhD thesis is the Arakelov ray class group of a number field, an algebraic object that contains both the ideal class group structure and the unit group structure.

Terrorist groups adapt to environmental changes to maintain power. This project provides new insights by developing a theory of strategic target selection and using big data analytics and machine learning to test these hypotheses.

Health Data Science Leiden University

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.

This dissertation is a collection of four research articles devoted to the study of Kummer theory for commutative algebraic groups.