Promotie

On 26 November historian Jan Grabowski and sociologist Barbara Engelking will both give the Cleveringa Lecture. They wrote a book about the Holocaust in Poland and were taken to court for defamation.

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

Promotor: Prof.dr. H.W. Lenstra

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?

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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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.

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

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

Promotores: H.W. Lenstra, A. Lucchini

Weekly Friday morning BPOC/SSNMR group meetings.

The China Region Group develops and monitors Leiden University's cooperation with China. It is chaired by the Dean of The Law Faculty, Prof Joanne van der Leun, and consists of representatives of Leiden University's faculties and various policy departments.

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.

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

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

Why is there not just one single global law for cases of defamation in cross-border communication mediums such as the internet? Which courts are to be called on in such cases? And is it permissible to hold an intermediary instead of a content provider liable?

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.

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.

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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…

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

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

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.

Health Data Science Leiden University

The focus of our theoretical physics research is the nature of macroscopic matter that is in one or the other way still in the grip of quantum physics.

Our research primarily focuses on the early universe and its origins in theories that go beyond the Standard Model of particle physics.

Our world is shrinking, or at least our electronic devices are. From PCs to mobile phones: everything is smaller and thinner. The smaller the chip, the better it can conduct electricity and pass on information.

The research group ‘Quantum and Society’ explores the boundary between quantum technology and science communication.

My work is motivated by the necessity to extend Standard Model of Particle Physics in order to explain three observed phenomena that this great theory fails to accommodate

People are less willing to give up an interest when in a negotiation situation than when they can do it of their own free will, as Leiden University psychologist Eric van Dijk discovered. Knowledge of this kind can be used by policy makers, for instance, to motivate people to adopt certain desirable…

We are cosmologists, in other words we use physics to study the Universe, how it started and evolved into the structure that we observe around us.

We are interested in understanding the mechanics of soft materials, of which biological materials are prominent examples.

Promotor: Prof.dr. P. Stevenhagen & Prof.dr. K. Belabas (Univ. de Bordeaux)

Promotores: P. Stevenhagen, E. Fouvry (Univeriste Paris Saclay)

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…

Truth is stranger than fiction. In 1997 Juan Maldaceña discovered a remarkable dictionary that translates equation for equation the physics of black holes in string theory into the more conventional physics of quantum mechanics of interacting particles. The remarkable possibility exists that…

The thesis focuses on synthesis strategies in oligosaccharide campaigns, and the influence of protecting groups.

We explore the particle physics and quantum world at the time of the big bang.

The focus of our theoretical research is understanding the behaviour of soft condensed matter, physical matter which is deformed or structurally altered by thermal fluctuations or small stresses.

The development of space resource activities is happening now. In the absence of a clear framework to govern these activities, there is a need to examine the concepts that are being discussed in order to ensure that they meet existing treaty obligations regarding on-orbit operations and space resource…