On August 29th Rob Tijdeman held his valedictory lecture in a full house Academy Building as a professor in Number Theory, entitled 'My life as a mathematician'. After his lecture he was appointed, in name of the Queen, Knight in the Order of the Dutch Lion by the maior of Leiderdorp.

On 11 February 2020, Clara van Dam defended her thesis 'Guidance documents of the European Commission in the Dutch legal order'. The doctoral research was supervised by Prof. W. den Ouden and Prof. J.E. van den Brink (UvA).

LIACS prof. Grzegorz Rozenberg is one of the world leaders in research on Theoretical Computer Science and Natural Computing. He is often called the guru of Natural Computing.

LIACS prof. Grzegorz Rozenberg is one of the world leaders in research on Theoretical Computer Science and Natural Computing. He is often called the guru of Natural Computing.

In this article, Amandine Lerusse, investigates how the order of performance information affects local politicians’ issue prioritisation decisions.

On 23 April, Rowie Stolk defended the thesis 'Interest group litigation in the Dutch polder: An interdisciplinary perspective on access to the courts'. The doctoral research was supervised by Ymre Schuurmans and Jerfi Uzman.

This research evaluates the Youth Act. It will provide an overview of how the transition takes place, whether the transformation process develops in the right direction and whether the legal safeguards are functioning properly.

Description of 20th century changes in the Dutch flora: Description and interpretation (1999 - 2005)

Promotores: C. J. ten Cate; M. A. Ainslie. Co-promotor: W. Slabbekoorn

Dr. Cátia Antunes and prof. Jos Gommans both edited and contributed to this interesting book, that consists of articles that offers a new insight into the macro and micro worlds of the global Dutchman in Asia.

How did the Dutch Empire compare with other imperial enterprises? And how was it experienced by the indigenous peoples who became part of this colonial power?

How do first-hand narratives of war of commanders in the front line relate to the official narrative of the Eighty Years’ War?

Leiden University and the Dutch Royal Family maintain ties that go back to 1575, when William of Orange founded the University. Many members of the Royal Family have studied in Leiden and several have received an honorary doctorate.

On 25 January 2018 Yannick van den Brink defended his doctoral thesis titled ‘Voorlopige hechtenis in het Nederlands jeugdstrafrecht’ (‘Pre-trial detention in the Dutch juvenile justice system’). The doctoral research is supervised by Professor Ton Liefaard and Professor Mariëlle Bruning.

This book examines how Muslim communities in the Netherlands perceive and experience extremism, counter-radicalisation policies, and Islamophobia.

This article presents an in-depth evaluation of a specialized reintegration initiative within the Dutch Probation Service focused on individuals convicted or suspected of involvement in terrorism.

To what extent is the legislation and use of pre-trial detention of juveniles in the Netherlands in compliance with international children’s rights standards?

Political scientists Tom Louwerse, Simon Otjes & Cynthia van Vonno introduce the Dutch Parliamentary Behaviour Dataset, a record of parliamentary (voting) behaviour in the Dutch Tweede Kamer (Second Chamber, House of Representatives) since 1945.

An overview of awards and prizes granted to our staff and students in 2018, as well as special appointments and royal distinctions.

This book explores the intellectual history of the Dutch empire from the sixteenth century to the postcolonial era, going beyond systemic thinkers to understand how empire was perceived in day-to-day life. It takes a transnational and transimperial approach to the Dutch empire, connecting European,…

Due to the almost complete disappearance of the archive of the Old Dutch West India Company (WIC, 1621-1674) not much is known about the ships and crews of this company. In this project we start the reconstruction of this basic information making use of new digital humanities techniques to extract this…

What are key regulators of plant ageing that can reverse ageing in plants (rejuvenation), and how can we use this knowledge to improve crop plants?

A lecture about the drive, dynamics and dilemmas of our central bank and supervisor. Joanne Kellerman discussed the role of DNB, the central bank in our country for already 200 years, and the dilemmas that a supervisor faces. How can be ensured that a supervisory intervention is rightly timed and that…

Resilient Diversity: the Governance of Racial and Religious Plurality in the Dutch Empire, 1600-1800

Emily Wolff, PhD candidate at Leiden University, wrote a paper about the inclusion of imperial citizens in the Dutch post-war welfare state.

This research will investigate which aspects of On the sublime received attention in the intellectual milieu of the seventeenth century and how the sublime found its way in the political and artistic discourse of that time. Thus I aim to shed light on the role of art in politics and society in this…

On the 23d of May, Sanne Rotmeijer successfully defended a doctoral thesis. The Leiden University Centre for Linguistics congratulates Sanne on this achievement!

The Dutch and English East India Companies were formidable organizations that were gifted with expansive powers that allowed them to conduct diplomacy, wage war and seize territorial possessions. But they did not move into an empty arena in which they were free to deploy these powers without resista…

Caribbean archaeological heritage is threatened by natural impacts but also increasingly by economic developments, often resulting from the tourist industry. The continuous construction of specific projects for tourists, accompanied by illegal practices such as looting and sand mining, have major impacts…

Fighting for the faith, caring for the sick, and praying for the soul of their benefactors were the main tasks of the military orders, who since the time of the crusades were well represented in the Netherlands in the Middle Ages, including the Frisian lands. Especially the Hospitallers and the Teutonic…

On the 22nd of February, Ami Okabe successfully defended a doctoral thesis. The Leiden University Centre for Linguistics congratulates Ami on this achievement!

This book provides an overview of critical scholarly reflections on the history of Dutch slavery and colonization, as well as how this translates into critical cultural practices.

How to minimalize the chance of recidivism for extremist prisoners.

This subproject examines the development of memory cultures, the meaning of memories of the Dutch Revolt, the multimedia aspect of the creation of a local memory culture, which artefacts were used to keep memories alive and the differences between local memory cultures in the Repubilc and the Southern…

Political scientists Joop van Holsteyn and Tom Louwerse (Leiden University) find that the Dutch government is having a hard time coping with referendum outcomes in general, and ‘anti-European’ sentiments among voters in particular.

Numerous beads and pendants of amber, jet and bone have been found in Dutch Neolithic and Bronze Age context, both in settlements and in graves. Because ornaments are personal items, they are closely linked with people’s identity.

On 5 October, Katherine Filesia defended the thesis 'Speaking the same language: the introduction of the Anglo-American trust into the Dutch legal system'. The doctoral research was supervised by Pim Huijgen and Frans Sonneveldt.

Erik Deul was awarded a royal decoration on Wednesday afternoon. He has been appointed Knight of the Order of Oranje-Nassau. Mayor Peter Heijkoop of Leiden presented him with the honour.

During the SoLaR Young Researchers Platform, which took place on 14 March 2018 in Maastricht, Clara van Dam presented her ongoing research on the role of Habitat guidance documents in the Dutch legal order.

How did free agents oppose the monopolies held by the VOC and WIC in court?

Who tried to influence the mission and position of the Dutch security services between 1912 and 1992, what effect did that have on the form and contents of the security services? How to account for transformations of the security services?

Royal honour for Prof. Barend Mons. He was made a Knight in the Order of the Dutch Lion. He received this award from the mayor of the municipality of Waddinxveen, Evert Jan Nieuwenhuis.

Religion, Class, and the Postwar Development of the Dutch Welfare State. Dennie Oude Nijhuis.

Homicide engenders broad moral concerns in society, and its aftermath can be understood as a barometer for criminal justice policy. Of all homicides committed, however, only some lead to arrest, to prosecution and ultimately to conviction in court.

On the 30th of September Christine Ketel successfully defended a doctoral thesis and graduated.

Between 1600 and 1800 countless manuals appeared on the subject: the improvised bass part on the harpsichord, pianoforte or organ. Musician and researcher Kathryn Cok unravels the secrets of the Dutch basso continuo accompaniment for modern-day musicians.

Integrating life cycle assessment (LCA) with life cycle costing (LCC) offers the opportunity to simultaneously analyze the environmental and economic aspects of product alternatives, for the integration of which a unified computational has been proposed by Heijungs et al. (2013) [1]. The project aims…

The remains of Dutch East India Company forts are scattered throughout littoral Asia and Africa. But how important were the specific characteristics of European bastion-trace fortifications to early modern European expansion?

The project explores the impact of the clash between defenders of a rules-based order and international law on global governance and the future of legal systems.

Promotores: H.A. Udo De Haes, P.M. Brakefield