Artin L-functions associated to continuous representations of the absolute Galois group G_K of a global field K capture a lot of information about G_K as well as arithmetic properties of K.

Materials balances have been used in the recent past for the analysis of substance oriented environmental problems and the formulation of measures for environmental policy. In this study an integrated tool, based on the materials balance principle, has been developed for the analysis of both environmental…

What tools can be applied to measure the output, outcome and impact of science communication efficiently and effectively?

On the 16th of September, Bert van Pinxteren successfully defended a doctoral thesis. The Leiden University Centre for Linguistics congratulates Bert on this achievement!

Mr. S. Al Daghistani defended his thesis on 30 November 2017

To argue that people can control the relative contributions of goal-driven and stimulus-driven processes to decision-making and action selection.

For thousands of years bloodlines have been held as virtually unassailable credentials for leadership, with supreme political power perceived as a family affair across the globe and throughout history. At the heart of royal dynasties, kings were inflated to superhuman proportions, yet their status came…

This thesis systematically studies the physicochemical properties of non-planar, propeller-shaped, polycyclic aromatic hydrocarbons. The synthesis of several so-called propellerenes is described on a gram scale, using optimized procedures aimed at using less hazardous reagents and reducing the amount…

Natural vanilla flavor is one of the most important in the world. However, the cost of this flavor is expensive. Production of this flavor by alternative methods, could reduce the cost.

This dissertation provides a description of Konso, a Cushitic language spoken by about 250,000 speakers in the South-West Ethiopia.

This thesis attempts to interrogate post-1991-2015 political development in Ethiopia, focusing on the political discourses espoused by the government and opposition, using the discourse analysis method and securitization theory.

Ömer Gürlesin defended his thesis on 28 November 2018

This dissertation aims at enhancing our knowledge of whether a CI provides sufficient access to auditory speech input to acquire verbal morphology by comparing outcomes of CI children to those of their normal hearing peers and to those of children with specific language impaired (SLI).

On 21 January 2021, Fachrizal Afandi defended his thesis 'Maintaining Order: Public Prosecutors in Post-Authoritarian Countries, the case of Indonesia'. The doctoral research was supervised by Prof. A.W. Bedner and Prof. J.H. Crijns.

If you have the ambition to continuously develop and grow in your work, then Leiden University is an attractive employer for you.

Freshwater is an important resource, but at a great risk of species decline due to habitat loss, pollution and over-exploitation, and invasive alien species.

One of the key limitations of the direct imaging of exoplanets at small angular separations are quasi-static speckles that originate from evolving non-common path aberrations (NCPA) to which the primary adaptive optics system is inherently blind. The main focus of this thesis is the development and…

On 12 November 2019, Larissa Koupriuchina defended her thesis 'Judgmental Adjustments in Revenue Management'. The doctoral research was supervised by Prof. J.I. Van der Rest.

The International Labour Organisation (ILO) was established in 1919 based on the premise that social justice is a condition for lasting peace. On February 2019 the ILO celebrated its 100th anniversary with an international symposium to consider the future of the ILO.

In this article, Meier & Nadler suggest that while non-citizen enfranchisement boosts participation across all citizens, citizens with immigration backgrounds are more reactive to the NCV rights in terms of higher turnout. In this way, the paper adds a critical nuance to individual-based explanations…

The research provides insight into disease behavior in both rural and semi-urban areas in Serengeti in Tanzania.

The LUC Fund supports the Leiden University College The Hague (LUC) programme and community. LUC provides excellent research-led interdisciplinary teaching on global challenges, equipping students with the knowledge and skills necessary to become socially responsible and engaged global citizens. This…

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The stratum corneum (SC) plays a fundamental role in the barrier function of the skin. The SC consists of corneocytes embedded in a lipid matrix.

This thesis presents a thorough survey of the central aspects of the phonology of Shaoxing Chinese from a synchronic perspective and on the basis of recent theoretical phonological developments, with the secondary goal of casting some light on current issues in Modern Chinese (Mandarin).

Double Bind. Public service professionals coping with contrasting demands. How do public service professionals align their PSM with contrasting demands set by the organizational and social contexts in which they work?

This book presents the first comprehensive study of Dime, an endangered Omotic language spoken by about 5400 speakers in south-west Ethiopia. The study presents analysis of the phonology, morphology and syntax of the language as well as a sample of ten texts and an extensive word list.

The aim of this project is to get a clear overview of sustainability efforts being made within the faculties, as well as making lasting connections with and between university staff and students involved in these efforts. The Leiden University Green Office (LUGO) aims to play a connecting role in this…

How can Critical Raw Material policies/strategies be enhanced in the EU context?

Promotor: J.M. van den Broek Co-promotor: M.C. de Vries

This grammar presents an in-depth linguistic description of one Papuan Malay variety, based on fifteen hours of recordings of spontaneous narratives and conversations between Papuan Malay speakers.

Two documents mark the birth of Leiden University.

We strive to address the challenge of constructing a modeling language to write software which can take advantage of recent hardware developments (multicore, cloud) without compromising in its abstraction levels.

Catalysis is of extreme relevance in the production of everyday materials and plays a central role in many aspects of our life.

In the master’s specialisation Molecular Genetics and Biotechnology at Leiden University students are trained by experts in the areas of molecular biology, microbiology, plant genetics, cellular imaging, animal disease models, and various –omics technologies and the corresponding bioinformatics.

Bachelor, Master

The project entails research by international comparison into the effects of commercialisation in heritage management on the academic relevance and quality of the results of work that is essentially applied research. The research is carried out by Prof. dr. W.J.H. Willems and dr. M.H. van den Dries…

The RISIS project aims at creating a distributed research infrastructure to support and advance science and innovation studies. This will give the field a strong scientific push forward, and at the same time, provide a radically improved evidence base for research and innovation policies, for research…

Overkleeft

On 29 September 2020, Tom van Ham defended his thesis 'Collective violence offenders and offending. The role of individual characteristics'. The doctoral research was supervised by Prof. A.A.J. Blokland, Prof. O.M.J. Adang (RUG) and Prof. Th.A.H. Doreleijers (VUMC).

Abdessamad El Amraoui defended his thesis on 6 Mai 2015.

Promotor: M. Danhof, Co-promotores: J. Freijer, A. Yassen

Exploring linkages between energy and material use and implications for sustainable development.

This edited volume evaluates the concept of global order, with a particular emphasis on the role of regional organisations within global governance institutions such as the United Nations. Several researchers at the Institute of Security and Global Affairs (ISGA) have contributed to this volume in the…

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.

After graduation you have a lot of opportunities: the field of science communication is very broad. You can also aim for a career in industry or research.

To be eligible for MSc International Relations and Diplomacy (Advanced) at Leiden University, you must meet the following admission requirements.

During the bachelor’s programme Astronomy you will immerse yourself in questions about our universe. Questions such as: ‘what happens in a black hole?’ and ‘what is dark matter?’ In doing so you will learn to apply mathematics and physics to astronomical problems and you will work with computer simulations…

The two-year Advanced Computing and Systems programme (120 EC) includes mandatory core courses and electives, as well as a Master's Thesis Research Project.