In this thesis, deep learning is studied from a statistical perspective. Convergence rates for the worst case risk bounds of neural network estimators are obtained in the classification, density estimation and linear regression model.

This thesis investigates reactive interfaces in surface science across three domains: heterogeneous catalysis, environmental nanoplastics, and two-dimensional materials.

Study the MSc in Political Science: The Politics of Articficial Intelligence in The Hague. Critically assess the political applications and consequences of AI and familiarise yourself with foundational Political Science theories.

Bikes are one of the most sustainable ways of travel which use should be promoted by the University.

Are you coming to Leiden University by car? Read about the parking possibilities.

Lecture, Global Histories of Knowledge Seminar

Studying one another’s languages and cultures fosters understanding between groups of people, which leads to more equality, along with increased economic, administrative, and cultural cooperation.

Leiden University College welcomes researchers at all levels who wish to spend some time at our institution for a research project.

An Iron Age skull, a unicorn for cleaning your ear and thousands of beer jugs. Alumnus and archaeologist Chris Muysson has made remarkable discoveries at the Binnenhof government complex in The Hague. ‘Each puzzle piece tells us more about its history.’

Festival

The opening and inauguration of the Visitors Centre, and the visitors trail on the site, are an important result of the Tell Balata Archaeological Park project that is jointly being implemented by the Palestinian Department of Antiquities and Cultural Heritage, the Faculty of Archaeology of the University…

The premier LUCIS lecture series, running since 2021. Each year, two eminent scholars visit Leiden to deliver landmark lectures in Islamic and Middle East Studies. This forum for presenting and discussing cutting-edge research brings together researchers, students, and other interested participants…

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.

The ultimate aim of the project is to find out whether there are such things as

LUCIS’ research on Islam and society is guided by three overarching themes, which are fundamental to our research programmes.

This book offers a comprehensive analysis of China's global resurgence and its effects on U.S. dominance.

As a student or staff member at Leiden University, do you want to organise a meeting and invite an expert? We advise you to contact one of these institutes.

In a modernist interpretation of migration controls, nation states play a major role. This book challenges this interpretation by showing that comprehensive migration checks and permanent border controls appeared much earlier, in early modern dynastic states and empires, and predated nation states by…

Law is of major importance for socio-economic development. Ideally, law organises human interaction in a way that promotes justice and legal certainty and protects vulnerable groups from exploitation and arbitrariness.

What makes a good historian? When historians raise this question, as they have done for centuries, they often do so to highlight that certain personal attitudes or dispositions are indispensable or studying the past. Yet their vieuws on what virtues, skills or competencies historians need most differ…

On the 18th of June, Abel Warries successfully defended a doctoral thesis. Leiden University Centre for Linguistics congratulates Abel on this achievement!

Get the most out of your studies at Leiden University by taking part in our extracurricular activities.

In October 1740, a tragedy unfolded in Batavia, the Asian headquarters of the Dutch East India Company on the island of Java. Faced with a spontaneous Chinese peasant uprising, Batavia’s vengeful inhabitants carried out a bloody massacre of their fellow Chinese within the city walls. The murderers marched…

The Greater China Region Group develops and monitors Leiden University's cooperation with China.

This project investigates language choice and language use among Swiss mercenaries in the VOC and in the Dutch Colonial Army.

In 2024, Professor Joanita Vroom received a substantial grant from the Packard Humanities Institute (PHI) in support for her Hinterlands of Medieval Chalcis Project (HMC Project) in Greece. PHI, a California-based non-profit organization, is dedicated to archaeological research as well as to the preservation…

Since August 2017, dr. Sarah Schrader is working at the Faculty of Archaeology in the department of Archaeological Sciences. Her expertise is human osteology with a specific focus on the bio-archaeological reconstruction of daily activities. Recently she took over the management of the Osteoarchaeology…

On April 22, Lasse van den Dikkenberg defended his dissertation: Living with Flint. For this, he examined flint finds from the Rhine-Meuse Delta. These finds belong to the Vlaardingen culture, which existed here from 3400-2500 BC. His research revealed that import played a larger role in the Neolithic…

The starting point of human-induced landscape changes has been under permanent debate. It is widely accepted that the emergence of agriculture strongly increased human impact on their environments. However, foragers can and do actively transform land cover and ecosystems. Ethnographic observations,…

This research project focuses on the extended documentation and investigation of these non-Austronesian (‘Papuan’) languages.

In 2005 Leiden's municipal archaeologists excavated a 2,700-year-old canoe dug out from a tree trunk. Researchers from Material Culture Studies are now building a reproduction of this vessel using replicas of Iron Age tools. The researchers are hoping to gain a better understanding of the building p…

Museum Jan Cunen in Oss presents the very first retrospective exhibition of the richest graves from the early Iron Age (800-500 BC), including the one of the iconic Lord of Oss. Leiden archaeologist Richard Jansen was guest curator and the exhibition tells the story of the funeral rituals of the local…

After 30 days of work, the experimental reconstruction of the iron age canoe of Vlaardingen Vergulde Hand is finished! Its maiden voyage will take place on Friday the 16th of February when it will be paddled for the first time by schoolchildren from Vlaardingen.

The role of material culture in early colonial encounters in the Caribbean

A biographical approach to material cultural interactions between Caribbean communities and Europeans across the historical divide (AD 1000-1800)

The artefacts that still remain from the traditional culture of the indigenous Yukon, Canada, are spread over dozens of museums throughout the world. Yukon Indian Ukjese van Kampen carried out research to bring this culture to light. This is the subject of his dissertation entitled ‘The history of Yukon…

Of the 111 Spinoza Prizes that have been awarded since 1995, 28 have gone to researchers from Leiden University.

The Netherlands Institute in Morocco is open to students from all Dutch universities. Two students explain why they are spending a semester studying in Rabat.

At the LION/Sterrewacht new year’s reception, Scientific Director of Casimir Tjerk Oosterkamp handed out the 2017 Hendrik Casimir Prize to physics students Nashwan Sabti (Leiden) and Nikolas Kavadias (Delft). The Casimir Research School yearly awards the prize to the best MSc students in (Applied) Physics…

The Royal Netherlands Academy of Arts and Sciences (KNAW) has awarded a KNAW Early Career Partnership 2023 to Philippe van Gruisen for interdisciplinary research on (labour) migration from a broad perspective on societal wellbeing.

Leiden University’s Annual Report 2021 has been published. In this report, which consists of a general section and a financial section (the financial statements), the University provides a record of its research, teaching, knowledge transfer, operational management and policies in that year.

Each week, Dutch radio programme BNR Lobbypanel discusses a topic at the intersection of politics and entrepreneurship. From 2020 Arco Timmermans, Professor by special appointment Public Affairs, will participate each month in the BNR Lobbypanel discussions. This week Timmermans joined the discussion…

PoreLab is officially opened on November 1st, 2016. This new lab located at the Sylvius Laboratory will be working with the latest DNA analysis technology and will bring science, education and industry together to explore practical applications with the MinION.

Changes in our climate, the decline in biodiversity, the development of vaccines against new infectious diseases and whether we are the only inhabitants of the universe: these are just a few of the pressing challenges our society faces today. But which scientific choices must be made at the national…

Interested in what drives your colleagues to become a member of OSCL? And how they apply Open Science in their work? Below we interview OSCL member Ruthie Pliskin (from Social, Economic and Organisational Psychology).