The eleven innovative essays in this volume explore the notion that all forms of modern mass politics, including liberal democracies, need such a form of sacralization of politics to function.

We present an extensive study of methods for exactly solving stochastic constraint (optimisation) problems (SCPs) in network analysis. These problems are prevalent in science, governance and industry.

This collection of essays is the first to compare the emergence and development of these different types of regional identities.

Epithelial-mesenchymal plasticity (EMP) and tumor cell migration play an important role in cancer progression, and an improved understanding of the mechanisms underlying these concepts is essential for developing new targeted approaches.

Image segmentation is a fundamental task in computer vision, with applications ranging from medical diagnostics to archaeological research.

The research in this thesis is focused on tomographic reconstruction based on two imaging modalities in electron microscopy.

Visualizing the internal structure is a crucial step in acquiring knowledge about the origin, state, and composition of cultural heritage artifacts. Among the most powerful techniques for exposing the interior of cultural heritage objects is computed tomography (CT), a technique that computationally…

Biospirits is the staff association for all employees and guest-employees of the IBL.

Inverse problems are problems where we want to estimate the values of certain parameters of a system given observations of the system. Such problems occur in several areas of science and engineering. Inverse problems are often ill-posed, which means that the observations of the system do not uniquely…

With tomography it is possible to reconstruct the interior of an object without destroying.

Radiography is an important technique to inspect objects, with applications in airports and hospitals. X-ray imaging is also essential in industry, for instance in food safety checks for the presence of foreign objects.

Welcome to the PhD Portal of LIACS! Below you find information on the PhD coordinator, the PQRS programme, and the PhD coach

Tomography is a powerful technique to non-destructively determine the interior structure of an object.Usually, a series of projection images (e.g.\ X-ray images) is acquired from a range of different positions.

Agricultural foods naturally vary in their detailed internal structure. To facilitate early detection of health hazards due to contamination or disease, predict maturity and minimize wastage, it is critical to take into account the internal characteristics of each individual product, as these enable…

Promotores: K.J. Batenburg, B. Koren

Promotor: R. Tijdeman, Co-promotor: H.J.J. te Riele

Alumni event

Het Internationaal Strafhof (ICC) in Den Haag bestaat sinds 2002, met als kerntaak het vervolgen van personen die verdacht worden van genocide, misdaden tegen de menselijkheid en oorlogsmisdaden. Wat zijn we opgeschoten met bijna twintig jaar ICC? Promovenda Marieke Wierda onderzocht de impact van het…

The lack of success of new CNS drugs in clinical development is in part due to the complexity of the CNS, unexpected side effects, difficulties for drugs to penetrate the brain, but also by the lack of biomarkers.

Den Haag is de stad van vrede en recht. Rondom deze thema’s organiseren culturele en maatschappelijke organisaties het festival. De Universiteit Leiden is nauw betrokken bij de organisatie. Universitaire medewerkers en studenten doen bijvoorbeeld mee aan de Vredesloop, Marieke Liem van het Institute…

The nominees for the IRO thesis prize 2023 and the Prof. Dr. J.Th.J. van den Berg-prijs 2023. Who wrote the best bachelor theses in Political Science?

The nominees for the Prof. Dr. J.Th.J. van den Berg-prijs 2022 and the IRO Thesis Prize 2022. Who wrote the best bachelor thesis in Political Science?

The Executive Board of the Institute of Psychology has a new Director of Operational Management. It’s the perfect role for Paula van den Bergh. ‘For me, “connection” is a nice word. If you see the connections between things, you immediately see the logic behind the processes.’ Her career has taken her…

Op 9 juni jl. vond in de rechtenfaculteitskamer van het Leidse Academiegebouw een workshop plaats over tradities en aanpalende concepten, zoals politieke cultuur, spelregels en constitutionele conventies. Tijdens de bijeenkomst presenteerden en bediscussieerden juristen, historici, politicologen en…

This is an Erasmus+ International Credit Mobility project of Leiden University’s Faculty of Medicine with Haramaya University in Ethiopia.

Appointment of three professors represents jewel in the crown of 15-year partnership between Leiden University and the University of the Arts The Hague.

De Universiteit Leiden is al 25 jaar stevig geworteld in Den Haag. Dat werd zichtbaar tijdens de feestelijke bijeenkomst rondom de foto-expositie Universiteit Leiden in Den Haag: Onderzoekers van de stad.

The information below concerns courses that our group teaches in Leiden. 

Wednesday afternoon April 10th the 2nd edition of the Campus The Hague Career Event took place, organised by Career Service. More than 500 students and recent graduates from three faculties were in Wijnhaven to attend workshops and to network with employers.

The Netherlands sees thorny dilemmas placed with regard to the conviction of returning IS fighters. The Netherlands, like the other EU member states, does not respond to the Kurds' wish to take back 'their' Syrian people. Bart Schuurman, terrorism expert, states that an international tribunal, flanked…

During the week of 15 November, Little Amal, the larger-than-life doll visited The Hague. Naturally she received a warm welcome by Leiden University during her visit. Little Amal (art project The Walk) was invited by Amare.

On 12 September the students of the European Law Master gathered in the Lorentzzaal for the festive opening of their programme.

You check out Facebook to see if one of your friends or someone in your family has done something interesting. Your attention is drawn to a holiday advert. That’s a coincidence, you think, because just before you went to Facebook you had been searching internet for a holiday destination. But this is…

The Belgium Netherlands Artificial Intelligence conference (BNAIC) is an annually organized conference bringing together AI researchers from all over the Benelux. This year it was supposed to be held for the first time in Leiden. Due to the continuing lock-down, it was organized online. A trend started…

Prof. dr. Joanne van der Leun is tot september 2025 door het College van Bestuur van de Universiteit Leiden herbenoemd als decaan van de faculteit Rechtsgeleerdheid.

Twenty three students who obtained excellent results in the minor Intelligence Studies received the annual Kluitersprijs.

On Thursday 10 January a number of prizes were presented to researchers and students.

This project studies the theory and practice of moral education in the (Neo)Platonic tradition.

Op 30 oktober presenteerde de Commissie tot Revisie van het Reglement van Orde, onder voorzitterschap van Kees van der Staaij (SGP), haar bevindingen aan Kamervoorzitter Khadija Arib.

The Institute of Biology Leiden has a new visiting professor as of the first of May. Bioinformatician Marnix Medema holds the Van der Klaauw chair for a year and looks forward to scientific collaborations and to boost the bioinformatics education.

From a ruinous building site to a lively university building: that is the drastic metamorphosis that the Wijnhaven complex is going through at this moment. The pictures below already show impressions of the end result.

Case-studies on use-wear analysis of prehistoric flint tools

Starting on Thursday 16 May 2019, the Faculty of Archaeology features a new mini exhibition, ‘Archaeology&ME’. Ten showcases address the public’s connection with archaeology. They show how archaeology matters to them and how it constitutes a bridge between the past, present and future.

Op 26 september vindt de boekpresentatie van de jubileumeditie en herziene vertaling van Thomas Kempis' Navolging van Christus plaats in Boekhandel Van der Velde in de Broeren in Zwolle. De presentatie begint om 20.00 uur (inloop vanaf 19u30).

On 4 December Professor Emile van Rouveroy van Nieuwaal passed away. Van Rouveroy van Nieuwaal worked at the African Studies Centre from 1967 to 2002, when the ASC was not part of Leiden University yet. He became professor by special appointment at Leiden University on behalf of Leiden Law School in…