Who is Economic Man? Every economic paradigm presupposes an anthropology, a theory of human nature. This project explores the anthropologies presupposed and produced by ancient Greek economic texts, and the specific knowledge forms that shape these anthropologies.

Lecture, Summer School evening lectures

Supervisor: Natalia Ortiz Zacarías

This dissertation attempts to describe the linguistic history of Hittite on the basis of a systematic etymological treatment of its entire inherited lexicon, precisely analyzing the phonological and morphological developments.

Everyone most obey the law. If you don’t, you will face the police and the courts. The application of national, European and international criminal law would seem to be a matter of following the letter of the law. But the reality is more nuanced. Criminal law scholars and criminologists from very different…

The Institute of Education and Child Studies is part of the Faculty of Social and Behavioural Sciences at Leiden University. The institute is governed by an Institute Board under the direction of a rotating chairman, i.e. the Scientific Director and an Director of Studies. The Institute Board is…

The main aim of this project is to investigate the various ways in which language categorizes possession, how these are morphosyntactically encoded across and within languages, and how this distinction should be represented in a model of the language faculty.

Serge Rombouts is a physicist whose PhD thesis was about functional MRI (fMRI). This visualises activity in regions of the brain. The appealing images of glowing brain regions that emerge from the computer are the result of calculations. According to Rombouts, this isn’t proper artificial intelligence.…

This programme starts from the idea that cultural discourse is one of the main engines of intellectual history and the history of ideas.

A research data infrastructure in computational social science

What are the genes and molecular mechanisms involved in bacteria-mediated plant drought tolerance?

Can a newly developed, app-based, personalized maintenance program enhance the effectiveness of the exposure-based one-session-treatment for children with a specific phobia?

In 2019 Leiden University was 444 years old. This special birthday called for a special celebration. We celebrated this milestone with the residents of Leiden and The Hague. In, with and for these two cities.

This project explores how the populations of the historically contiguous towns of Nusaybin, Turkey and Qamishle, Syria articulate citizenship in the everyday.

This longitudinal study is focused on neurodevelopmental problems in young children with XXY, XXX and XYY, aged 1 to 6 years.

Now and then we organise book launches to present the latest publications, both academic and popular, in our broad field.

The Department of Child Law is a knowledge centre dedicated to academic research and education for both students and professionals in the field of child law and children's rights.

During the Leiden Science Family Day, you can take part in various workshops. You can also watch various demonstrations. Where will you go?

The Institute of Security and Global Affairs (ISGA) hosts two research journals and publishes the ISGA Reports series. Besides its own publications, researchers at ISGA also publish books or journal articles elsewhere. You can find all these external publications under Research output on the right.

Are the types of school non-attendance which have been evidenced in typically developing youth also found among children and adolescents with an intellectual disability (ID)? If so, which types are most prevalent and thus in greatest need of attention, and what factors (child, family, school/environmental)…

Five talks will be given during the Leiden Science Family Day: two children's lectures and three lectures for adults. Will you be there ?

How can the emergence of primary justice systems be facilitated and furthered?

Why does the textural gap between the music that one can improvise and that which one can practice and learn to play (as in completely written-out music) seem to be bigger in the case of the guitar than, for example, in that of keyboard instruments?

Landscapes of mobility in the northern Chilean altiplano: from chiefly networks to colonial markets (AD 1100-1800).

Many students have difficulties to read and give meaning to algebraic formulas. In this study it is explored whether graphing formulas with pen and paper will improve students’ability to reason with algebraic formulas.

With Leiden University Press, LUCIS publishes a peer-reviewed book series “Debates on Islam and Society” aimed at a broad audience. A number of books in this series are available in open access.

Marten Soolmans (1613-1641) studied law in Leiden at the same time that Rembrandt lived in the city. Rembrandt painted Soolmans and his wife Oopjen in 1634, after all three had moved to Amsterdam. This remarkable portrait of the sumptuously dressed Soolmans can be seen at the Kamerlingh Onnes Building,…

Rembrandt painted this Flora, the Roman goddess of spring, in 1635. She is on display above the archway leading from the Academy Building to the lush flora of the University’s Hortus Botanicus. Rembrandt, who had his own cabinet of curiosities, almost certainly knew this botanical garden, the oldest…

Promoting collaborative policies of inclusion relating to children of far right and Islamist parents in Western Europe (PREPARE).

Andrei Poama, Assistant Professor at Leiden University, published a piece in the journal of Political Philosophy about social injustice, disadvantaged offenders and the state's authority to punish.

During the Leiden Science Family Day, you will visit places that are normally closed to the public: go backstage at the Faculty of Science!

If you wish to come to the Netherlands, there are certain immigration procedures you need to follow. Leiden University can apply for a visa and residence permit on your behalf.

In Sri Lanka, a prominent Singhalese Buddhist monk publicly proclaims that it is not a sin to kill Tamils. In Japan, the family register kept in a Buddhist temple and specifying the outcaste status of a lineage is provided to private detectives investigating the marriageability of a young woman. Throughout…

Are you the scientist of the future? Come experiment with science at the Experiments Square! Make your own slime, discover how rubber can count, play along with the antibiotics game, discover the power of light and much more!

The main task of the Board of Examiners is to determine whether a student meets the conditions set by the Honours Academy's Education Regulations with regard to the knowledge, insight and skills of the relevant honours programme. The Board of Examiners has to determine this in an objective manner.

Cancer is the leading cause of death in the Netherlands, and, with over 100 different types of cancer, it’s not a simple disease. Today, skin, breast, lung, prostate and colon cancer are the most diagnosed forms. Therefore, the discovery and development of new drugs has the ability to significantly…

Subproject of

An international mega-analysis on the neurobiological link between inhibited temperament and social anxiety disorder

What role do parent-child interactions play in the development, maintenance and treatment of depression in young people?

The focus of my research project are the archival scribes who wrote private legal documents in ancient Babylonia. Thousands of such records from the first millennium BCE have survived to this day. These documents were written on clay in cuneiform script, using Akkadian language. My sources are selected…

Dorothea Schulz & Martin Hense

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This thesis contains results on the arithmetic and geometry of del Pezzo surfaces of degree 1.In Chapter 1 we give the necessary background, assuming the reader is familiar with algebraic geometry.

How are interests embedded and experienced in daily life and to what extent can their origin and development be understood in terms of this contextualization?

This dissertation presents a new perspective on the life, work and character of the Dutch physical chemist Jacobus Henricus van ’t Hoff, first recipient of the Nobel Prize in Chemistry, and one of the most important and colourful scientists in Dutch history. The image of Van ’t Hoff that emerges from…

In my research I am concerned with the possibility of a politics of sexuality without reverting to identitarian conceptions of sexuality. In a reading of the work of the American author James Purdy, I propose to move towards a politicizing of the concept of narrative identity as developed by the French…

The programme consists of 60 EC, to be completed in one year.

This book aims to unravel some of the mysteries surrounding this exceptional group of larger-than-life Bronze Age blades.