The research of the Mathematical Institute is driven by the curiosity of its members and has many internal and external connections. It can be characterised as fundamental but with an open attitude towards applications.

How do societies move forward with sustainable, effective and efficient management of Earth's water resources?

Lecture, Sociolinguistics & Discourse Studies Series

PhD defence

Lecture

The Hague Journal of Diplomacy regularly updates its digital bookshelf with recommendations of recent books on diplomacy, global affairs, and international studies.

The slogan of the Faculty of Archaeology, ‘The Future of the Past starts at Leiden University’, might sound like empty marketing speak. But there is something to it. The past can teach us a lot about climate change and that could make us fear the worst for our future. Archaeologist Gerrit Dusseldorp…

It is fifteen years since the first issue of The Hague Journal of Diplomacy (HJD) in 2006. To mark the occasion, we put together an editorial on where diplomacy, diplomatic studies and HJD might be going.

A Dutch-language video shows children their new life during the corona crisis and gives them some guidelines to help them feel less worried. The short animated video was made by two German researchers with whom child psychologists Anke Klein and Annelieke Hagen are working. ‘With our translation, this…

Mingo, a 91-year-old fish lover from Bari, takes us with him into the physical, symbolic and cultural space of the market.

Every year on 26 November Leiden University commemorates the protest speech given by Professor Cleveringa against the Nazis. At least 663 students, staff and alumni of the University lost their lives during the Second World War, yet little was known about these victims. PhD candidate Adriënne Baars…

The magazine New Scientist selected 25 nominees from candidates proposed by all Dutch and Belgian universities for the New Scientist Science talent 2015 election. One of these nominees is dr. Marieke Liem, who works at the Centre for Terrorism & Counterterrorism.

Hugo Koning, an expert in Greek mythology, has won the Lucas Public Prize because he has brought his research to the attention of the general public in so many different ways. This is the first Public Prize awarded by the Leiden University Centre for Arts in Society (LUCAS). Hugo says with a smile:…

An article by Bert Fraussen, Adria Albareda, Caelesta Braun, Moritz Muller & Erin Sullivan, published as a three-part blog series.

What started as pioneering work, has evolved over decades to become a renowned institute in 2025 with an internationally acclaimed master's programme. 'Almost everyone involved in the aviation and space sector knows us in Leiden.'

‘Culture change takes time,’ said Vice-Rector Hester Bijl at the closing panel of the University’s Diversity Symposium on 26 January. She talked about the road to a diverse and inclusive university. The symposium provided plenty of concrete examples of small steps that can already be taken.

Bram Geurds (20) is fascinated by politics. When he was 12, a political debate on TV caught his attention. And he decided he wanted to be mayor one day. Unsurprisingly, Bram is studying political science and is politically active. It might seem like he’s on course to become a professional politician.…

After studying medicine in Leiden, Diederik Hofstede specialised in plastic surgery. 'I was attracted by its creativity and I enjoy working with my hands.' Cosmetic surgery is just 5% of the work.'

In the National Think Tank, 20 young academics spend four months mulling over a solution to a societal problem. Two Leiden alumni tell us more.

The opening of the new academic year highlighted students' and lecturers' personal motivators. Incoming students were encouraged to be bold, forge their own paths and grow by trial and error.

‘Without that Veni grant, I would never have been able to delve into my subject so deeply. During the first two months, I only read articles and other professional literature. A dream, I would skip home afterwards.’

The ‘Stans Prize 2017' (for the best thesis, report or article produced by a CML student) has been awarded to Davide De Mauro. Other CML prizes were awarded to Jeroen Guinee, Reinout Heijungs, Martina Vijver, Willie Peijnenburg en Kevin Groen

You would like to book a hotel room and browse the internet for which rooms and rates are an offer. The rates provided depend on forecasted demand and come about through the use of computer algorithms. However, the rates are often manually adjusted by hotel personnel. What are the consequences and how…

‘Heritage Under Threat’ and ‘The Rooseveltian Century’ are among the 21 best MOOCs for a general public according to New York Magazine.

‘Am I setting a good example myself?’ Hanneke Hulst wonders. As Recognition and Rewards project leader, she maintains that we should stop expecting researchers to be experts at everything, even though she herself keeps a lot of balls in the air.

Migration, globalisation, technological developments, climate change: the greatest challenges of our time all affect our labour market. But how exactly? And can we influence this? Professor of Economics Olaf van Vliet regards it as his job to reveal how things really are. ‘That way, we can work on solutions…

Three alumni of our Master’s degree programme in Ancient History talk to us about how they found a job after graduation during the coronavirus pandemic. During the interview, Gabriël hung a huge board covered in post-it reminders behind his laptop, Molly was glad that the members of the selection committee…

The 2022 Academy is co-organised by Leiden, Delft Erasmus Universities (The LDE Alliance) from the Netherlands and the National Research and Innovation Agency (BRIN). Aim of this five day programme is co-creation in the field of teaching and research on sustainable urbanisation. It also aims to facilitate…

On the 442nd anniversary of the foundation of Leiden University, and at the start of the Leiden Asia Year, lawyer Jan Michiel Otto, an expert in the field of law in developing countries, delivered the first Dies lecture. He compared demagogues in Asia who call upon Muslims to turn against their governments…

The number of lions in Kenya is decreasing alarmingly, due partly to the encroaching cities and the development of the countryside. Together with local scientists and inhabitants, Leiden biologists are studying how this decline can be halted. ‘Lions are cleverer than we thought.’

The legal distinction between victims of human trafficking and victims of migrant smuggling is unjust, argues De Massol Rebetz in her PhD thesis. In certain instances, smuggled migrants should be treated the same as victims of human trafficking.

Four prints, ten years of research. Not that she got bored of them, on the contrary. Corrie van Maris, who receives her PhD this week, has always remained fascinated by her 17th-century series, for which she feels so much love. ‘I kept seeing different, new things.’

As University historian, Pieter Slaman researches the University’s past, but he’s equally interested in its present. ‘It’s useful to be familiar with issues from the past. Not to be rooted in the past because some developments from history are things you definitely don’t want to repeat.’

Leiden alumnus Luc Amkreutz is a curator at the National Museum of Antiquities. His exhibition about the submerged landscape of Doggerland highlights what we can learn from prehistory. ‘Just like the people of Doggerland, we are confronted with climate change, but we are responsible for the speed of…

For every period, it is a challenge to unearth the details of political trafficking; yet the effort needs to include all relevant persons, groups, and institutions – not only those wielding formal responsibilities. We hope to reinvigorate this effort by inviting specialists to present their research…

Wija Wijayanto and Arum Perwitasari both were Indonesian PhD students at Leiden University, funded by the Leiden-DIKTI Graduate Scholarship Programme. With the help of this scholarship, literally thousands of students travel abroad to write their dissertations. During their research period, Arum and…

Andrew de la Haije is Director of the Dutch branch of Xebia Consultancy Services, an internationally operating consultancy agency that coaches companies through digital transformation. He followed the executive master’s programme in Cyber Security and graduated with distinction.

On 28 June, ten dedicated lecturers received their Senior Teaching Qualification (SKO). Rector Hester Bijl congratulated them in an online meeting. We asked some of them what this qualification means to them, what they believe ‘good teaching’ entails and what makes them so passionate about education…

Wija Wijayanto and Arum Perwitasari both were Indonesian PhD students at Leiden University, funded by the Leiden-DIKTI Graduate Scholarship Programme. With the help of this scholarship, literally thousands of students travel abroad to write their dissertations. During their research period, Arum and…

Piercing through the skull with an ice pick, administering electric shocks without an anaesthetic, or applying leeches to the uterus: these may seem like medieval methods of torture, but they are in fact therapies used in medicine. Willem van der Does writes about all of them in his new book. ‘Physicians…

Electronic versions of our publications can be obtained by sending an e-mail to Esther van den Bos: bosejvanden@fsw.leidenuniv.nl

Book Presentation

After a long period of formation, the Rutte III cabinet presented itself on 26 October 2017. The coalition agreement on which ministers will build is called ‘Vertrouwen in de toekomst’ ('Confidence in the future'). But what impact will this new cabinet have on our future? We asked our researchers in…

An interview with Assistant Secretary General for Emerging Security Challenges David van Weel, and NATO Secretary General’s Special Representative for Women, Peace and Security (WPS) Clare Hutchinson

YAL raises its voice on policy matters.