Promotores: Prof.dr. H Lenstra, Prof.dr. A Facchini (Padova University)

Promotor: Promotor: W.Th.F. den Hollander, Co-promotor: V. Sidoravicius.

In September 2023 Social Justice Research, a journal from Springer Nature, published a ‘Special Issue on Veteran Reflections’. Eight ‘veterans’ analysed the current status of justice research and suggested new directions and refinements. Herman Steensma, guest member of the section Social, Economic…

This thesis investigates the structural evolution and assembly of galaxies since the first few billions years after the big bang.

This project aims to explore, in general, what explains civil servants’ attitudes and behavior, and, in particular, why some civil servants are more committed to professional norms and public service values – such as impartiality, equity, efficiency, and innovation – than others.

Promotor: F.H.J. Redig, Co-Promotor: W.T.F. den Hollander

Rutsel Martha, former Minister of Justice of the Dutch Antilles, former General Counsel of Interpol and alumnus of Universiteit Leiden, elaborated on the position of states and intergovernmental organizations (IGOs) in international financial law.

It has been a long-standing mystery how complex biological structures emerge from such seemingly uncoordinated building blocks as cells and tissues, in the presence of only minimal environmental guidance.

Purple clothing and a pride flag flying from all University buildings: Leiden University is once again taking part in Purple Friday. How do people experience this day? We asked some employees and students of the Faculty of Humanities.

The occupation of the Afghan capital Kabul by the radical Taliban movement on 15 August 2021 received enormous international attention, not least because of the crisis that soon enveloped Kabul airport as desperate Afghans sought to flee the country on evacuation flights mounted by the United States…

Leiden’s beadle, Willem van Beelen, is retiring on 29 February. How does he look back on his career and what do those in the know have to say about him?

As you near the end of your student time, it can be daunting thinking about what you want to do after graduating. Am I ready for the job market? What are my options? Just about every student wrestles with these questions, and Lisanne and Wilbert are no exception. They called on the help of the University's…

Alumnus Francis Farrell (International Studies, 2018) works as a reporter at the Kyiv Independent, where he covers Russia's war against Ukraine. 'I experienced some crazy moments on the front line'

In a world beset with war, climate problems and skyrocketing energy prices, it is good to have some 'slack time' now and then. That was Dean Mark Rutgers' message at the Faculty of Humanities' New Year reception.

The publication of the recent IPCC report on climate change has not gone unnoticed, to put it mildly, certainly not within the Liveable Planet community.

Providers of telephone, internet or data centers can be seen as companies of vital importance because of their national importance. This comes as no surprise. In the Netherlands, additional legislation was deemed necessary to protect national security and a legislative proposal was presented in April…

Lecture, Interactionality seminars

Lecture

This paper examines cyber intelligence in the context of national and international security.

In this Yearbook you will find some fascinating examples of what was done in 2021, not only by ourselves, but also by our international colleagues.

This PhD thesis concerns the topic of arithmetic geometry. We address three different questions and each of the questions in some way is about counting how big some set is or can be.

These four volumes offer students and researchers a rich collection of published works on the history of slavery works by some of the most preeminent scholars in the field.

Perhaps you have questions about your studies, or could use some extra help? Or maybe you’d like some support of a more personal nature?

GitLab is a single application for the entire software development lifecycle. We use the Leiden University gitlab services

Improvements of weak gravitational lensing shape measurements are presented and some used for data analysis.

What is it like to study Urban Studies in The Hague? Sonia Dobkowska, second year student, describes what a typical day looks like for her.

In November we went to a real, biodynamic farm (Kwekerij Eko Logisch) and listened to David, a farmer who believes you can limit harm to the environment while still growing heaps of vegetables, fruits, and herbs. On the two-hour visit, we were shown around the farm and even encountered some animals.

Promotores: H.W. Lenstra, B. Erez, Co-promotor: L. Taelman

Director: Dr. Fred Leemhuis

Promotor: S.M. Verduyn Lunel, Co-Promotor: O.W. van Gaans

In this article, Gerrit Dijkstra and Jos Raadschelders from the Institute of Public Administration, focus on Russia’s role in Bosnia and raise some important questions.

How an initially valueless object becomes worth hundreds of millions. And vice versa.

This omnibus brings together some old and some recent works by Jos Gommans on the warhorse and its impact on medieval and early modern state-formation in South Asia.

A hot topic in educational sciences is whether and how reading medium (paper vs. screen) affects reading comprehension. Especially in the media – but also in schools – their appears to be a preference for texts presented on paper: Paper texts are thought to induce a more intensive reading strategy,…

Being a student can be stressful. Study pressure, living on your own, moving country, financial stress: things can be difficult. Unexpected difficulties may lead to study delay.

In this thesis we study products of linear error correcting codes.

After graduation you are well equipped to start a career in evolutionary research or to take the responsibility for projects in an industrial or institutional research environment.

Completing your Master’s in Biology gives you an internationally recognised degree which you can follow up with a PhD track. With your acquainted skills, you’re a much requested professional in and outside research.

Why do some scientists argue that there are five sexes? Why is it important to study sexuality outside the reproductive framework? The minor Gender and Sexuality in Society and Culture tackles some of the most controversial and contested questions of our time, while avoiding the pitfalls of easy answers…

Leiden Law School is working hard to improve sustainability both in education and teaching within the faculty, at our campus and in its research. You can read all about the university's vision and ambitions, recent developments in this area, our current sustainability projects and how students and…

This thesis combines field and laboratory studies to address some of the most pressing questions in the field of microplastic research.

Why do some civil wars experience quagmire, a situation in which belligerents are trapped in fighting? To explain this puzzle, Jonah Schulhofer-Wohl (Leiden University Institute of Political Science) analyses the overlapping strategic interactions between foreign powers and the warring parties. Studying…

The transformation of the myriad of medieval kingdoms, principalities, local lordships, city-‘states’ and peasant ‘republics’ into ‘modern’ states, claiming some measure of sovereignty, remains one of the core themes of European history, because it gets down to the very root of the (idea on the) Europe…

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More than 30 members of Programme Committees, Faculty Councils and the University Council met online on 27 November with a mission: how can university co-participation work towards a more sustainable university in terms of education, research, and operations? The Leiden University Green Office and the…

When and how does social anxiety develop? How can it go astray in some adolescents? How can we help troubled young people to attend school regularly and return to a normal developmental pathway?