This thesis is comprised of three chapters covering the theme of studying semistable varieties by looking at their dual combinatorial objects.

The Dual PhD Centre facilitates dual PhD research at Leiden University. The dual PhD programme of the Dual PhD Centre offers professionals the opportunity to devote part of their working time to conducting PhD research. Be aware that this programma is being offered in Dutch only.

This article illustrates how the term 'dual use' has become associated with a broader dichotomy between ‘legitimate’ and ‘illegitimate’ purposes.

December marks the 15th anniversary of the Dual PhD Centre (DPC). Director Johannes Tromp and associate professor Mark Dechesne look back and ahead. Dechesne: ‘The DPC forms a 'community of knowledge' in which science and society are connected.’

Source: Org Biomol Chem, Volume 13, Issue 8, pp. 2407-22 (2015)

According to University newspaper Mare professor Bas Haring, head of the Media Technology Masters programme, is among the eleven most influential Leiden Scientists.

Antoaneta Dimitrova, Professor Comparative Governance at Leiden University, Honorata Mazepus, Assistant professor at Leiden University and Dimiter Toshkov, Associate Professor at Leiden University, together with three other authors researched which aspects of state capacity might contribute to opening…

If all goes according to plan, Vasileios Karakasis will successfully defend his dissertation on Thursday 15 October. This will not only be a milestone for Vasileios, but also for the Dual PhD Centre (DPC).

From 11-13 September 2017 the 34th Pontignano Seminar took place at the location where it originally started: the Pontignano Cloister, nearby Siena in Italy.

Beryl ter Haar is currently a Visiting Professor at the University of Warsaw, Poland. The Law School is the oldest part of the university (founded in 1808), followed by the School of Medicine (founded one year later). The two schools became the heart of Warsaw University which was founded in 1816 by…

From 23-26 September 2019, Beryl ter Haar, assistant professor Labour Law, delivered the national report on 'cross border labour law in the Netherlands' at the at the XXXVI Pontignano Seminar with the theme: Worker´s mobility in the European Union: labour law perspective'.

From 25-27 June 2017 the 3rd Conference of the Labour Law Research Network took place in Toronto, Canada. Beryl ter Haar participated in two panels. The first panel dealt with strike law from a comparative perspective between South Africa, Russia, The Netherlands, and Europe. The contribution of Beryl…

Dr Johannes Magliano-Tromp has been appointed Director of Leiden University Interfacultary Dual PhD Centre The Hague as of 1st May 2016.

On Tuesday 22 January 2019, Beryl ter Haar participated in a comparative law lecture featuring labour law cases of the constitutional court of South Africa at the Kutafin State Law University Moscow, Russia. Topics discussed included short term employment contracts, the right to strike and the right…

Uit onderzoek van Nieuwsuur blijkt dat de politie zich niet houdt aan de Arbowet om agenten voldoende bescherming tijdens hun werk te kunnen bieden. Barend Barentsen, hoogleraar Sociaal recht, zegt in Nieuwsuur ‘het kwalijk te vinden dat een grote overheidsorganisatie zich niet aan de regels houdt.…

On 13 and Friday 14 July 2017 the International Congress took place in Porto, Portugal. The conference was bilangual with simultaneous translations between English and Portuguese/Spanish. In total there were about 350 participants from 23 different countries, however, most of the participants came from…

The ILS Lunch seminars bring colleagues and students from Leiden Law School together, providing an informal setting to hear what researchers from other research programs and institutes are working on. On Thursday 14 February, the first edition of the ILS Lunch Seminar series of 2019 takes place. This…

Hemin Hawezy, a political & international government adviser, has started as a dual PhD candidate at Leiden University. Bram Klievink and Toon Kerkhoff are supervising his research on the organisation of digitalisation in government; a good example of transdisciplinary collaboration.

In store is now the Research Handbook on Labour, Business and Human Rights Law edited by prof. Janice Bellace of the University of Pennsylvania and ass. prof. Beryl ter Haar of Leiden University. The book is publisehd in Edward Elgars series on Human Rights.

On the 28th of January 2019 Beryl ter Haar gave an introductory lecture on EU labour law concerning collective redundancies and working time. Both are core issues of this year's case for the Hugo Sinzheimer Moot Court Competition.

On the 28th of January 2019 Beryl ter Haar gave a guest lecture at Tbilisi State University organised by the European Law School Association (ELSA). The lecture addressed issues of EU fundamental rights, more particularly it was on the freedom to conduct a business versus several labour rights, among…

22 September 2017 the second biannual conference took place organised by IAAEU of the University of Trier and the Hugo Sinzheimer Institute of Frankfurt. The theme of the conference was the European Pillar of Social Rights. Under the heading of the conference’s title, International Labour Law as a stimulus…

Beryl ter Haar co-editor of the Italian Labour Law e-Journal's

Seven new Medical Delta professors revealed their research plans in a lecture marathon on 21 June. The professors at Leiden University, the LUMC, Delft University of Technology and the Erasmus Medical Centre Rotterdam operate at the interface between life sciences and health and technology.

On invitation by prof. Nikita Lyutov (Kutafin State Law University Moscow), Beryl ter Haar participated in a kick-off meeting on a comparative research paper on the free movement of workers within the EU and the Eurasian Economic Union held by Kutafin State Law University on the 24th of January 2019…

Too often, tax scholars have a dual role: advising the government on legislation, while at the same time helping companies to pay as little tax as possible. This needs to change according to Bart Snels, a member of parliament for Dutch GreenLeft party.

The immune system plays a paradoxical role in the spread of breast cancer. Some immune cells contribute to metastasis, while other cells can be activated to strengthen the effect of chemotherapy. Kelly Kersten made this discovery in her PhD research. PhD defence 7 February.

An Ancient Egyptian System of Workmen’s Identity Marks

In The Golden Mean of Languages, Alisa van de Haar sheds new light on the debates regarding the form and status of the vernacular in the early modern Low Countries, where both Dutch and French were local tongues. The fascination with the history, grammar, spelling, and vocabulary of Dutch and French…

The Research Handbook on Labour, Business and Human Rights Law edited by prof. Janice Bellace of the University of Pennsylvania and ass. prof. Beryl ter Haar of Leiden University. The book is publisehd in Edward Elgars series on Human Rights.

From ca. 1540 to 1600, thousands fled the war-stricken Southern Low Countries to the British Isles, Germany, and the Northern Low Countries. Research on this displacement crisis, central to the formation of the Netherlands and Belgium, reflects 21st-century debates on migration and language: language…

The Europa Institute has been the beneficiary of a generous grant from the H.L. Wesseling Fund. The Fund was established in memory of Professor Henk Wesseling (6 August 1937 – 18 August 2018), Dutch historian, Professor of contemporary history at Leiden University, and former rector of the Netherlands…

These are our lecturers (in alphabetical order) for the 2025 Summer School in Languages and Linguistics.

Fish climbing trees, storks taking care of their parents… Premodern textual and visual culture presents us with a fabulous bestiary that reveals ingenious and rich reflections on the animal kingdom.

In late medieval and early modern times, books, as well as the people who produced and read (or listened to) them, moved between regions, social circles, and languages with relative ease. Yet, in the multilingual Low Countries, francophone literature was both internationally mobile and firmly rooted…