In dit onderzoek worden orde isomorfismen en orde antimorfisme bestudeerd in het algemene kader van partieel geordende vector ruimten.

From the birth of the universe to the molecules in a planet's atmosphere. The first five pictures from the James Webb Space Telescope (JWST) show the enormous range in which the space telescope can operate. Ewine van Dishoeck, professor of molecular astrophysics, took a look at the first images Tuesday…

De klimaattransitie is in volle gang: de vervuilende industrie moet plaatsmaken voor duurzame productiemethoden. Werknemers in deze industrie zullen hierdoor nieuwe banen moeten vinden. Dat zal niet iedereen lukken. Heb oog voor die groep, waarschuwt politiek econoom Lars van Doorn.

In traditional style, 2025 was ushered in at our faculty with the Meijers Lecture followed by the New Year's Reception. On Thursday 16 January 2025, the Meijers Lecture took place in the Lorentz Lecture Hall where the Meijers Prizes and the Van Wersch Springplank Prize were also awarded. At the New…

Language courses from February onwards

Leiden Law Cast is a podcast made by Leiden Law School, Leiden University, for everyone who wants to learn more about current legal issues.

The center studies the many ways in which issues of law and justice are dealt with in art and literature with a focus on liminal issues and cases. These are issues and cases where law comes to the limits of what it is capable of dealing with and art and literature explore the implications of what is…

How do democracies develop? The Institute for History is devoting a three-day conference to this question.

Members of our research team give different types of presentations and lectures.

Didi van Trijp started her PhD project at LUCAS in October 2015. Her PhD project is part of A New History of Fishes. A long-term approach to fishes in science and culture, 1550-1880, a project directed by prof. dr. Paul Smith.

The Netherlands Organisation for Scientific Research has awarded dr. Lucien van Beek a Veni grant. This grant offers young researchers the possibility to develop their innovative ideas for a period of three or four years. The awarded research proposal focuses on the Ancient Greek dialects' contribution…

Leiden University has started a collaboration with the Nicolaus Copernicus University in Poland. The project includes the exchange of students and staff, joint research, and the organisation of seminars and conferences. Besides Leiden, the universities of Copenhagen, Newcastle and Innsbruck are also…

2021, again, sees a rich harvest of bachelor theses in Political Science. Students have been tackling fascinating subjects—ranging from European solidarity in the COVID-19 crisis to the representation of women in democratically elected parliaments—and crowning their research projects with interesting,…

The Van Vollenhoven Institute for Law, Governance, and Development and the Grotius Centre for International Legal Studies organised the Van Vollenhoven Lecture 2013.

The Flentrop Organ is the third organ to have been built for the Great Auditorium in the Academy Building in Leiden.

In the spirit of 'unity in diversity', our objective is to promote insight into and appreciation for the wonder that the same physical laws and mathematical concepts apply to the whole of nature, from the largest to the smallest energy and length scales. We strive for the application of abstract theoretical…

How does the vision of problems and solutions from

Within the Comparative Religion Network staff and graduate students from LIAS-LUCSoR (and beyond) discuss ongoing work and cooperate on key issues in the comparative and systematic study of religion.

Speeches and speech acts have been crucial in settling the question at the centre of every political debate: who gets what, when and where?

Rosmarijn van Kleef hopes to defend her PhD thesis soon on the liability of football clubs for the misconduct of supporters. In view of the upcoming European Football Championship, a highly topical subject of which a glimpse is given below. The defence will take place on 19 May in Leiden.

Christiaan van Gorkum passed away on 30 October 2015.

Can a computer give just as good a judgment as a judge? Professor emeritus Law and IT believes it can and talks about using computers in the courtroom in a podcast of the Universiteit van Vlaanderen.

How can you learn about women’s history if they are under-represented in historical sources? Look at news coverage of crime, says Clare Wilkinson, PhD candidate in gender and history. ‘Historical crime reporting offers a glimpse into forgotten groups.’ The doctoral defence will take place on 23 Apri…

Maaike Kempes believes more attention should be paid to non-congenital brain injuries in suspects. This may partly explain their criminal behaviour.

On 17 October 2018, Thomas Sanders defended his doctoral thesis 'Invordering door de overheid: de invordering van geldschulden uit herstelsancties onder de Awb'. The doctoral research was supervised by Prof. mr. T. Barkhuysen and Prof. mr. M.W. Scheltema.

On the 9th of June Bahaddin Budak successfully defended a doctoral thesis and graduated.

The subjects of the texts vary from Demosthenes to the delivery of camels in early Islamic Egypt, and their provenances stretch from the Eastern to the Western Desert, and from the Egyptian Nile valley to Qasr Ibrim in northern Nubia.

What influence did the internal debates on the use of violence within left-wing activist movements, and the government’s response to this (political) violence, have on the development, level, and continuity of the violence originating from these movements in the period 1965–2015?

The study at hand focuses on the control of sex and youngsters through the response by authorities most notably from within criminal justice.

Digital edition of the correspondence between the philosopher Gerardus Johannes Petrus Josephus (Gerard) Bolland (1854-1922) and the philologist Pieter Jacob Cosijn (1840-1899), consisting of 46 letters covering the period 1879 to 1899.

ERC Starting Grant: The Van Manen Project. This five year project (2023-2028) is made possible with an ERC Starting Grant. It aims to (digitally) reunite all parts of the Van Manen Collection. This enables us to study it as a whole, helping us to understand the process of collection formation. More…

Ineke van der Ham gave a lecture at the Nacht van de Ontdekkingen in Leiden. This year’s theme was ‘Time’ and Ineke discussed the work of the Navigation Lab Leiden and how time and space play a role in navigation.

Mario van der Stelt (Head of the department of Molecular Physiology at the Leiden Institute of Chemistry) has received the Young Investigator Award from the International Cannabinoid Research Society during the annual meeting of the society in Montreal, Canada. The Young Investigator Award was given…

We talk with Sophia Dittmar about starting a career in Psychology. Dittmar is currently studying the master's specialisation in Economic and Consumer Psychology at Leiden University. We talk about what she learned from her internship, why she switched masters and how to get the most out of an internship.…

Anne Marieke van der Wal-Rémy, assistant professor of African History and International Studies, has received a Comenius Teaching Fellow grant of 50,000 euros. She intends to use the grant to set up an online archive of digital primary sources, together with her students. Van der Wal-Rémy: ‘ “Once on…

Op 1 december hield Ineke van der Ham haar oratie, waarin ze vertelde hoe ruimtelijke technologie de beleving van de patiënt dichterbij kwam brengen. In het Academiegebouw ervaarden bezoekers zelf de kracht van de illusie. Hoe zag dat eruit?

The Netherlands Organisation for Scientific Research has awarded dr. Roy van Beek a Veni grant. This grant offers young researchers the possibility to develop their innovative ideas for a period of three or four years.

The Master History (study load 60 EC) offers you the chance to determine a study based on your own particular interests and ambitions.

The History Master at Leiden University has a strong international orientation.

The monthly ILS Lunch Seminars present the perfect opportunity to unite the different Institutes situated within Leiden Law School. On Thursday 14 March 2019, the next edition of the ILS Lunch Seminars will take place. This time, Nienke van Heek and Esther van Ginneken will present their research.

The issues surrounding the crises at the Dutch Tax Authorities and the Dutch Ministries of Justice and Defence had been known internally for considerable time. The information had been duly passed but criticism was largely ignored. Contradiction expressed by civil servants was not appreciated and even…

More than 3,500 enthusiastic Leiden first-years, 80% of them coming to Leiden University, gathered on Monday morning 13 August at the Lammermarkt for the start of the EL CID. Music booming, the groups gathered around their mentors in two shifts, at 9.30 and 11.30.

It's never too early for students to be smart about preparing for the job market. This year Leiden University is launching new initiatives to improve the transition from university to work. The new awareness campaign - CareerTime - is starting on 29 September with career stands at the faculties.

Many children have an unhealthy diet and do not get enough exercise. Sanne de Vries wants to help everyone get a healthy start in life.

The Van Bergen Fund aims to promote contacts between Dutch and international students in order to achieve a better understanding of each other's cultures. At the Symposium for Diversity and Inclusion the two winners of the Van Bergen Award 2015 were announced.

Metamaterials researcher Martin van Hecke has been elected American Physical Society (APS) fellow, an honour exclusive to only half a percent of the society's members.

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Een kwantitatief onderzoek naar historische Nederlandse scheepswrakken in de wereld

Due to the fact that the Frisian lands lacked major political centers in the Middle Ages and also because most of its monasteries suffered complete destruction in the second half of the 16th century, relatively few written documents concerning medieval Frisian history have survived. To analyze them…

This case study-based textbook in multivariate analysis for advanced students in the humanities emphasizes descriptive, exploratory analyses of various types of data sets from a wide range of sub-disciplines, promoting the use of multivariate analysis and illustrating its wide applicability. Fields…