Leiden PhD student Peter Koymans has been declared ‘best mathematics PhD student’ by the Royal Dutch Mathematical Society (KWG). He received the prize at the Dutch Mathematical Congress (NMC) on 24 and 25 April. With his talk about his research into the Cohen-Lenstra conjecture, Koymans left eleven…

The Dutch prefix ge- in historical perspective gives first of all a general account of the development of the word formation processes involving ge- in which special attention is paid to the participial ge-.

At the invitation of the Centre for Early Christianity and Its Reception (CECIR), Peter Liebregts, Full Professor of Modern Literatures in English (LUCAS), visited the University of Kent in Canterbury from March 17 to 20, to give a lecture and a masterclass.

Dutch greenhouse horticulture is a world leader when it comes to innovative capacity and sustainability, but ‘the challenges are great in terms of energy, water, environment and biodiversity,’ says Peter van Bodegom, coordinator of AgriFood at the Centre for Sustainability of the Leiden, Delft, Erasmus…

Dr Peter Siegel, Associate Professor in Anthropology from Montclair State University, New York, has obtained a Fulbright Scholarship to participate in research and teaching in the Caribbean Research Group for four months. Dr Siegel will be a visiting fellow in the faculty from February to May 2012.

Some conflicts involve many Muslims as foreign fighters; other conflicts attract only relatively few combatants from abroad. Isabele Duvesteyn and Bram Peeters

Following news reports about racist comments made by Rotterdam police officers in a WhatsApp group, racism within the police force is back in the spotlight. ‘Dealing with this issue is a matter of urgency’, says Professor of Immigration Law Peter Rodrigues.

Since 2000 the Leiden Student Council (LSR) yearly awards a prize for the best teacher of the university at the Dies Natalis.

On Friday 6 October 2023, Peter Rodrigues delivered his farewell lecture ‘Ongelijkheidscompensatie in het vreemdelingenrecht’ (inequality compensation in immigration law).

Peter Grol and Edwin Bakker, professor of Terrorism and Counterterrorism at the University, presented their book ‘Dutch Jihadists’ for a large audience. The book tells individual stories of jihadists in Holland and of Syria-goers and should contribute to a better insight into their backgrounds and m…

Children have never acquired their own position in migration law and that is now slowly changing, according to Peter Rodrigues in ‘One World’. Partly as a result of the Children’s Rights Convention and judgments by the Court of Justice in Luxemburg, the tide seems to be turning and there is now more…

Victims of ethnic profiling have commenced legal proceedings against the Royal Netherlands Marechaussee. Peter Rodrigues, Professor of Immigration Law, says in a national newspaper that ethnicity may never be the most important criterion to stop and question a person and refers to a past ruling by the…

Op vrijdag 4 april 2025 organiseert de werkgroep Stedengeschiedenis een bijeenkomst bij de Rijksdienst voor het Cultureel Erfgoed onder de titel ‘Archeologie en de stad’. De studiedag is gratis en voor iedereen toegankelijk.

Rodrigues was asked to comment on the intention of certain Dutch political parties to examine whether the Netherlands, together with Denmark, could accommodate asylum seekers outside the EU, possibly in Rwanda.

Peter Paul van Benthem is not only head of the ENT department at the LUMC but also chair of the Federation of Medical Specialists. ‘The value is in the mix.’

This paper explores the historicity of state and Buddhist accounts of the monk Xuanzang 玄奘 (602-664), arguing that in the reconstruction of Xuanzang’s life and career we ought to utilize the former to help adjudicate the latter.

Peter Webb is one of the four young Leiden Humanities researchers to receive a Veni grant from the Netherlands Organisation for Scientific Research (NWO). Webb will use the funding for his project EPIC PASTS: PRE-ISLAM THROUGH MUSLIM EYES, to reevaluate the ways in which Muslims in early Islam remembered…

Digital edition of the correspondence between the philosopher Gerardus Johannes Petrus Josephus (Gerard) Bolland (1854-1922) and the philologist Pieter Jacob Cosijn (1840-1899), consisting of 46 letters covering the period 1879 to 1899.

This dissertation contains the further development of a method for linguistic-stylistic research, which provides a systematic means to interpret global impressions of a text through choices in formulation at word- and sentence level.

You can find more information on the Dutch webpage. Click on the “Nederlands” button above.

ASLU 29 Maarten E.R.G.N. Jansen, Valentina Raffa (2015)

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.

The dissertation focuses on the work of German philosophers Theodor W. Adorno and Max Horkheimer, founders of critical theory at the Frankfurt School. Specifically, it is a study of the “early” writings, dated between 1925 and 1940, to reconstruct the early stages of critical theory. The thesis argues…

On 26 February 2020, Hans-Jan van Kralingen defended his thesis 'De ondeelbaarheid van het pand- en hypotheekrecht, deconstructie van een leerstuk'. The doctoral research was supervised by Prof.mr. W.J. Zwalve and Prof.mr. E. Koops.

Bas Verberk defended his thesis on 6 September 2016

Michiel Pronk defended his thesis on 30 March 2016

This publication is in Dutch.

Promotor: F.J. van Lunteren, E. Jorin

The study at hand focuses on the control of sex and youngsters through the response by authorities most notably from within criminal justice.

This book aims to understand cultural transitions and negotiations between art and politics from 1989 to 2020 through analysis of a series of Cuban novels.

This work focuses on the interpretation of the archaeological remains of the Mixtec culture in Southern Mexico on the basis of the knowledge, perceptions, economy and worldview of contemporary descendant communities.

On Saturday 3 December, Peter Rodrigues and Mark Klaassen delivered two guest lectures at Sofia University. They were invited by ELSA Bulgaria to speak at the Human Rights Academy 2022 that was devoted to the protection of the human rights of unaccompanied minors. The event was made possible by the…

Es un placer y un gran honor poder contar con la participación de la Prof.dr. Margarita Mateo Palmer durante el X Congreso Internacional de la AHBx. Impartirá una conferenica plenaria bajo el título “Nombrar las cosas: avatares transhispánicos en Cuba” el Jueves 2 de Noviembre a las 9.45 en el edificio…

During the four-day meeting (25-28 February) organised by AEGEE-Leiden Peter Rodrigues - Professor of Immigration Law -was invited to speak about the refugee crisis for 300 international students.

Once again, excuses were offered by the Rotterdam Police Department following a racist incident, and a guarantee of better behaviour in future. The reason was an arrest in which excessive force was used and a person involved was called an offensive, racist name by an officer.

Sinds september 2010 werken Geerten Waling en Anne Heyer in het NWO project ‘The Promise of Organization’.

Peter Rodrigues contributed a chapter 'Human Rights and the Best Interests of the Child in European Family Reunification Law' in the book by Bergamini E., Ragni C. (Eds.), Fundamental Rights and Best Interests of the Child in Transnational Families.

Peter Rodrigues, Professor of Immigration Law, has been appointed as a deputy member of the Netherlands Institute for Human Rights for a period of eighteen months.

You can't have missed it: Leiden University celebrated its 444th anniversary in 2019 with a year-long programme of activities for the people of Leiden and The Hague. The Dies Natalis on 7 February 2020 marks the end of this special year. High time to look back at what we did!

Municipalities are becoming more and more selective when it comes to the nationality, age and sex of the asylum seekers they are willing to take in. This is the outcome of an investigation by Dutch newspaper NRC. And the Central Agency for the Reception of Asylum Seekers (COA) agrees with the results.…

Geheime diensten en criminelen kunnen inbreken in slimme apparaten, door slechte beveiliging. De markt lost het niet op: bedrijven willen gadgets verkopen, burgers doen ook weinig. NRC sprak hierover met Bibi van den Berg.

How do leaders lead in the face of grief, loss and adversity? This and other questions will be addressed in two online public webinars, on Wednesday 29 and Thursday 30 September. Bert Koenders and Peter van Uhm will be among the speakers.

Thomas Bäck wins the 2015 IEEE CIS Evolutionary Computation Pioneer Award for his contributions in synthesizing evolutionary computation.

The airspace had almost closed last year as Leiden students and staff rushed to leave the Netherlands Institute Morocco (NIMAR). How is this Leiden institute in Rabat doing over a year later? ‘Luckily we’d done a crisis exercise a few months before. Everyone managed leave the country in time.’

Rodrigues delivered a presentation at the 13th Network Europe Conference on 'European Integration Perspectives in Times of Global Crisis', which took place in Athens from 19 to 22 June 2022 and was organised by the Europa Institute Zurich (EIZ). His contribution was entitled 'Reform Scenarios for EU…

Rodrigues participated last year at the 13th Network Europe Conference on 'European Integration Perspectives in Times of Global Crisis', organised by the Europa Institute Zurich (EIZ).

At the center of this research project lies a practice-based, artistic exploration of the impact of digitalization on the lived reality of both physical and cognitive labor.