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Promotor: Koen Kuijken Co-promotor: Henk Hoekstra

The institute is funded by the Ministries of Education, Culture and Science and of Foreign Affairs and by Leiden University. To safeguard the institute’s independence and interests in Morocco, it is part of the Netherlands Embassy in Rabat under Moroccan law. The institute performs its tasks under the…

Galaxy intrinsic alignments induce a major astrophysical contamination to weak gravitational lensing measurements and need to be modelled and mitigated when extracting cosmological information from such measurements.

Promotor: Prof.dr. K.H. Kuijken, Co-Promotor: Dr. H.Hoekstra

One of the most important puzzles in modern astrophysics is the nature of dark matter.

The high velocity tail of the total velocity distribution of stars provides essential insight into fundamental properties of the Galaxy.

The unemployment replacement rate data set, assembled by Olaf Van Vliet & Koen Caminada (version 1, January 2012), provides data on unemployment benefit schemes in 34 welfare states from the 1970s until 2009. The current data set includes all 27 member states of the European Union and 7 non-EU OECD…

In the late 19th and early 20th century, hundreds of thousands of Chinese labor migrants crossed the seas to the Dutch East Indies. On the tobacco plantations of northeastern Sumatra and in the tin mines of Bangka and Belitung, they endured long hours and harsh conditions. Their journeys formed part…

Tuberculosis is a major global health problem caused by the Mycobacterium tuberculosis complex, claiming more than a million lives annually.

We are a dynamic research group at the Leiden Institute of Physics. Our aim is to explore and understand quantum materials, including strange metals, high-temperature superconductors, and quantum critical electron matter.

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

The Graduate School of Governance and Global Affairs offers PhD programmes that address the pressing societal challenges of our time.

Leiden University Centre for the Arts in Society (LUCAS) is dedicated to ground-breaking and interdisciplinary research dealing with the relations between culture and society.

SOLID: Solidarity under strain - A legal, criminological and economic analysis of welfare states and free movement in the EU. Analysing the ways in which immigration structurally challenges and changes the organization and conceptual boundaries of national welfare states.

The Austrian Studies Fund supports the Special Chair for Central European Studies, invites visiting professors from Austria and connects with Austria Centres over the world.

Are you a PhD or postdoc at the Leiden Institute of Chemistry? Join our community to amplify your voice, grow professionally, and build lasting connections within our institute.

Cooperation on education with China stimulates innovation and brings a different perspective and new content to classrooms.

The consequences of social tendencies for the legislation and institutions in the fields of social security, the labor market policy and pension reform are examined in this multdisciplinary research program..

Recent welfare reforms in the Netherlands show a trend of reducing welfare accessibility and increasing obligations. Although the effects thereof on directly-targeted economic outcomes, such as welfare dependency and labor participation, are often assessed, potential spillovers to other economic and…

Analysing the ways in which immigration structurally challenges and changes the organization and conceptual boundaries of national welfare states.

LION offers a PhD program in which candidates carry out independent research on a specific topic, culminating in a PhD thesis.

What would a university be without its students? In 2025, we will celebrate 450 years of studying with an exhibition showcasing our students from the past centuries. How did they study in the past? And how do they study now? This outdoor exhibition will be on display from 23 April at the Hortus bota…

The Faculty of Governance and Global Affairs is one of a total of seven faculties of Leiden University, located in The Hague.

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. Papyrology+ aims to explore new opportunities and directions in the study of ancient…

Een uitbreiding van de NIMAR collectie van de Universitaire bibliotheken Leiden.

Astronomer Koen Kuijken and physicist Tjerk Oosterkamp have each been awarded a major subsidy by NWO. The funding will allow them to construct new research facilities.

During the Faculty of Science New Year's reception, Daniël Rozen was named Discoverer of the year 2015. Nienke van der Marel and Koen van der Maaden both won the prize for the best dissertation and Jeroen van Smeden was named Best Teacher of 2015.

Overview of the main research projects at the Leiden Papyrological Institute.

Koen Bastiaans and his colleagues discovered a new quantum liquid unlike anything ever seen. They did it by using a technique that can be compared to listening to the sound of raindrops falling on a roof. Publication in Science 29 October.

On Thursday 28 September, the Committee on Social Minimum, of which Koen Caminada is a member, presented its second report to outgoing minister for poverty policy in the Netherlands, Carola Schouten. The Committee was established by the minister at the request of the House of Representatives.

Dirk Uittenbogaard, a student on the Delft-Leiden Master’s in Industrial Ecology, has won a gold medal for rowing at the Olympic Games in Tokyo. Uittenbogaard took gold in the men’s quadruple sculls, together with Abe Wiersma, Tone Wieten and Koen Metsemakers.

In the period 1977–2020, the purchasing power of the Dutch population increased by 58 percent. The sharpest rise occurred from 1999–2009 (22 percent). This is the outcome of research conducted by Leiden University and Statistics Netherlands (CBS).

Korea specialist Koen De Ceuster has combined 1200 posters from North Korea in one database. He believes the posters are extremely valuable for researchers who want to make a more in-depth study of this closed country. The database will be launched on 15 June in Leiden.

How can KLM remain the most sustainable airline? Master’s students from the Leiden Leadership Programme immerse themselves in practice and advise companies on major issues.

An international team of astronomers, including Professor Koen Kuijken, has published a series of online articles presenting the first results of a major search for dark matter. Never before have researchers been able to chart so precisely the characteristics of groups of galaxies and their dark matter.…

Proud. We did it. All the Ginis. Open Access. Income inequality and Fiscal Redistribution in 47 countries 1967-2014.

Op 4 oktober vindt op de Vrije Universiteit het symposium "Kronieken, 1400-1850" plaats. Dit symposium wordt georganiseerd ter ere van het verschijnen van de handelseditie van het proefschrift van Peter Bakker. Drie VU-historici belichten hun onderzoek naar dit onderwerp vanuit verschillende hoeken.…

Op 14 oktober 2021 verschijnt "Metamorfose van Stad en Devotie". Het gaat om een handeleditie van de dissertatie van wijlen Bas de Melker over het Amsterdam van de jaren 1385-1435. De dissertatie zelf wordt uitgegeven naar de tekst van Bas de Melker uit 2002, maar er is een epiloog aangehangen over…

A large delegation composed of 11 delegates from institutes from the Faculty of Science has made an extensive visit to China and enhanced Leiden’s influence in the Chinese academia, industry and local government.

The university bid farewell to its Rector Magnificus, Hester Bijl, on 13 January during the ‘Hester’s Highlights’ symposium.

Read about experiences of former students.

Computers are capable of making incredibly accurate predictions on the basis of machine learning. In other words, these computers can learn without intervention once they have been pre-programmed by humans. At LIACS, we explore and push the borders of what a revolutionary new generation of algorithms…

In a lot of research on education, general didactic principles are applied to a particular area of study. ‘But every field of study also has its own ways of thinking’, argues professor Fred Janssen. ‘If you can identify those ways of thinking, then you have a lot of indicators for how you can best organise…

The organising committee of the congress 'Social Benefits of Higher Education' has decided to postpone the congress.