My PhD research is devoted to studies of the conjectural cluster-algebraic symmetry in the theory of topological string, which is the simplest, however already non-trivial sector in the theory of string.

What makes some international organisations more likely to succumb to crises where others manage to survive or even thrive? And what can international organisations do to become resilient and withstand existential challenges? Political Scientist Gisela Hirschmann (Leiden University) studied the example…

The Summer School on International Humanitarian Law is designed by the Grotius Centre Kalshoven-Gieskes Forum on International Humanitarian Law. Registration is now open!

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…

In ‘Dimensions of Free Speech’, Devrim Kabasakal Badamchi (Leiden University Institute of Political Science) offers a new theoretical framework for free speech by critically analysing the major justifications for free speech. Kabasakal Badamchi argues for a justification: namely the double-grounded…

Promotor: K.E. Schalm, Co-promotor: S.S. Lee

The master's specialisation Bioinformatics at Leiden University focuses on research, development and application of computational tools and approaches for expanding the use of biological, medical, behavioral and health data.

This six-weeks online course delves into the research behind terrorism as it unpacks the assumptions and impacts of both terrorism and counterterrorism.

The Leiden Lectures in Media | Art | Politics (MAP) is a series of talks organized by Pepita Hesselberth and Yasco Horsman. Speakers from various academic backgrounds and in different stages of their careers reflect on diverging ways in which technological and social changes challenge and transform…

The MSc in Psychology (research) is a two-year programme that is focused on acquiring research skills in a particular field of psychology.

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

Leiden University offers a unique interdisciplinary joint-degree Master programme in technical medicine together with TU Delft, Erasmus University Rotterdam and their academic medical centers.

Promotor: J. Zaanen

Western thought has often dismissed shadows as fictional, but what if fictions reveal original truths?

Why obey the state? Dorota Mokrosińska presents a fresh analysis of the most influential theories of political obligation and develops a novel approach to this foundational problem of political philosophy, an intriguing combination of the elements of natural duty and associative theories.

How did parties as political organizations emerge?

On the 28th of September Go Hirasawa successfully defended a doctoral thesis and graduated.

This study looks at the question of how and at what level students in primary teacher education can integrate theory and practice, and how the organisation of their learning environment, focusing especially on mathematics and pedagogy, can contribute to that.

Carl Li defended his thesis on 30 June 2015

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.

Are you thinking about studying Comparative Criminal Justice? Learn more and watch the videos

Do you have a question about the Business Studies Specialisation? Please find our FAQ's here. If you cannot find the answer, feel free to contact us at info@sbb.leidenuniv.nl.

Political scientists John Gerring (University of Texas, Austin) and Wouter Veenendaal (Universiteit Leiden) evaluate the political implications stemming from the size of a political unit – on social cohesion, the number of representatives, overall representativeness, particularism ('pork'), citizen…

Are you thinking about studying Forensische Criminologie? Learn more and watch the videos. Please note that this programme is taught in Dutch

Are you eager to explore traditional and experimental audiovisual methods for ethnographic research? Do you consider translating your research findings into a documentary? Are you highly motivated, committed and hard working? Then Visual Ethnography is the right specialisation for you! Visual Ethnography…

The master’s specialisation Evolutionary Biology at Leiden University investigates biology at all levels. The specialisation includes genomics, functional developmental genetics, paleobiology, behavioral biology and evolutionary ecology.

Are you thinking about studying Criminologie en Veiligheidsbeleid? Learn more and watch the videos. Please note that this programme is taught in Dutch.

The leading textbook on governance and politics in the Netherlands. The authors offer a clear and comprehensive account and have revised the text to provide full coverage of recent important developments.

The master's programme in Education and Child Studies is an academic programme that focuses on the link between theory, research and practice.

Discover the master program population Health Management at Leiden University and contribute to a more integrated health care system. Learn more!

This dissertation offers a reconstruction of the propositional contents of the writings of Karl Popper, Leo Strauss, and Hannah Arendt while bringing these into discussion with their performative meanings, such as polemical forms of reasoning, analogical and metaphorical uses of language, and hidden…

Do you want to carry out your own three-month research project? Then Global Ethnography is the path for you! This Master's specialisation allows you to conduct a customised three-month ethnographic field research, learn how to study global issues at the local level, and develop excellent social scientific…

The master’s specialisation Biodiversity and Sustainability at Leiden University provides students with a much better understanding of the biological processes which are essential for creating a sustainable society.

The master's specialisation Astronomy Research at Leiden University students focus on astronomical data analysis using models and large-scale simulation, combining the fields of Astronomy, Physics, Mathematics and Computer Science.

The master's specialisation Applied Mathematics at Leiden University focuses on both computational and fundamental aspects of analysis and probability. It’s also an ideal basis for a PhD degree. Applied Mathematics is an excellent choice if you have the aspiration to pursue a PhD degree