Mining time series is a machine learning subfield that focuses on a particular data structure, where variables are measured over (short or long) periods of time.

The world we live in is changing in many aspects at an ever-increasing speed. And it will continue to do so. How do we anticipate these changes, such as the increase in atmospheric CO2, the extinction of species and industrialisation?

On the 10th of November, Martin Kroon successfully defended a doctoral thesis. The Leiden University Centre for Linguistics congratulates Martin on this achievement!

In the summer of 2023, interested parties set out to map air quality in Leiden. Using a technique by British artist Robin Price, they made the invisible visible to start the conversation about the importance of good air quality.

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.

We consider the propagation of electrical signals through nerve fibres.

Compact Cinematics challenges the dominant understanding of cinema to focus on the various compact, short, miniature, pocket-sized forms of cinematics that have existed from even before its standardization in theatrical form, and in recent years have multiplied and proliferated, taking up an increasingly…

This thesis considers multi-prover commitment schemes whose security is based on restrictions on the communication between the provers.

Developing new medicines is one of modern science's most significant hurdles, a process marked by high costs, long timelines, and frequent failures of promising candidates.

Doctoral Thesis

In this thesis we study bistable reaction-diffusion equations on lattice domains.

Promotor: J.P. Abrahams, Co-Promotor: N.S. Pannu

AI Labs are collaborations of Leiden University with external parties such as industry, governmental parties and other universities on the topic of Artificial Intelligence. The Science institutes of Leiden University are unique located in the largest Bioscience Park of the Netherlands, next door to…

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.

On the largest scale, the Universe resembles a cosmic spiderweb. Most galaxies coexist in small groups within the threads of this web. At the nodes of the threads are enormous groups of galaxies forming the largest structures in the universe still held together by gravity: clusters of galaxies.

The AI Humanities Lab in Huizinga 0.09c is an innovative space where researchers explore the intersection of Artificial Intelligence and the Humanities. 

Promotor: R. Gill, Co-promotor: P. Massart

In this thesis, I study the formation of large-scale structure and the physics of particle acceleration at large scales (~Mpc).

This dissertation investigates how the efficiency of Computed Tomography (CT) can be improved for dynamic scientific and industrial applications.

The use of Artificial Intelligence (AI) to optimize Magnetic Resonance Imaging (MRI),

A flood of news reports, push notifications and even extra news broadcasts: on Wednesday, the world was shocked by the storming of the Capitol in Washington. Americanist Sara Polak discusses the events.

The lecture series

De asielplannen van minster Faber leveren de nodige commotie op binnen politiek Den Haag. Wilders wil geen enkele concessies doen en dreigt met verkiezingen. De Raad van State oordeelt nl. negatief op de wetsvoorstellen. Wim Voermans, zegt in Nieuwsuur dat ‘de plannen juridisch net binnen de lijntjes…

Call for Papers for the conference Relocating Governance in Asia: state and society in South- and Southeast Asia, c. 1800-2000, Leiden University, 22-24 January 2020.

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…

How to deal with the Pyongyang regime? Is North Korea irrational? Prof. Remco Breuker proposes a new approach.

22 November 2018.

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…

How can the emergence of primary justice systems be facilitated and furthered?

In its new Annual Report 2023, Leiden University reviews its research and teaching, as well as its ICT, staffing, finances, real estate, impact and knowledge transfer.

Tackling key challenges of Chemical Biology and Medicinal Chemistry to aid drug discovery is one of the focus areas of Leiden University. To this end, the Leiden Early Drug Discovery & Development network (LED3) was established by the Leiden Institute of Chemistry (LIC), the Institute of Biology Leiden…

Stilzitten doet alumnus Bart Jansen niet graag. Zo geeft hij les in onder meer Nederland, Maleisië en Curaçao, houdt hij zich naast het recht ook graag bezig met kunst en mystiek en vindt hij naar eigen zeggen ‘alles wat fout gaat’ wel interessant aan de rechtsfilosofie. ‘Ik ben gek op veelzijdige mensen;…

How should we address our colonial heritage? And how digital and accessible are our collections? Outgoing State Secretary Fleur Gräper spoke with researchers and heritage specialists about this on 25 January.

On the occasion of the Women & Girls in Science Day, BBC Science Focus Magazine highlighted 6 prominent female chemists. Among them is Leiden professor Ewine van Dishoeck: 'Astrochemist investigating the building blocks of life'.

The new welfare state is said to be close to its citizens and does not dominate, but cooperate. “But this paradigm has a hard time to acknowledge the power relation that shapes the relation between state and citizens,” says Anouk de Koning in the interview 'The Downsides of Equality Talk in the Welfare…

Researchers from the Leiden Institute of Chemistry show proof of principle that live-cell structural changes and metabolic processes can be followed in real time with NMR spectroscopy. They performed their study on photosynthetic green algae that are metabolically flexible and can sustain energy generation…

How did dynastic organization – that it, the employment of non-ruling family members and the development of dynastic traditions and concepts – influence state formation in both Catholic Europe and Muslim West-Asia?

Esteban Szmulewic , PhD candidate at the Constitutional and Administrative Law Department has written a paper on the comparison between Italy and the Netherlands, covering the first part of the pandemic (2020 and early 2021). The article has been published in the prestigious 'Journal Diritto Publico…

On Thursday 28 January 2016, Prof. Carsten Stahn contributed to the OPCW Sub-Working Group on Non-State Actors, together with Professors Andrew Clapham (Geneva) and Dapo Akande (Oxford), in the presence of the Ahmet Üzümcü, Director-General of the OPCW.

On 30 January, GTGC hosted a special event together with the Embassy of Ireland. As part of his visit to the Netherlands, John Concannon, Director General of the Global Ireland Unit of the Irish Department of Foreign Affairs, came to the university to engage in a discussion about Ireland's role in international…

The Netherlands will comply with the arrest warrant issued by the International Criminal Court (ICC) against Netanyahu and proceed to arrest him as soon as he enters Dutch territory. Jens Iverson,Assistant Professor of Public International Law, discusses the issue in Dutch daily newspaper ‘Trouw’.

Two citizens, together with organisations including Amnesty International, antidiscrimination agency RADAR and the Dutch Section of the International Commission of Jurists (NJCM) have brought legal action against the State. They want the court to put an end to the discriminating border controls of the…

The announcement by US President Donald Trump on 9 March in response to the invitation for a summit meeting with the North Korean supreme leader Kim Jong Un came as a big surprise. Media analyses vary from being very positive to almost cynically negative. However, according to researcher on Korea Koen…

In Belgium, officially recognised religions receive financial support from the state. Partly as a result, there is no clearly implemented secularism (separation of church and state) though this is considered to be a guiding notion in modern constitutional theories. PhD candidate Alain Vannieuwenburg…

The main objective of this thesis was to develop clinically relevant survival models for patients with high-grade soft tissue sarcoma of the extremities, in particular the development and validation of prediction models for use in clinical practice.

Dive into the heart of archaeological science: explore the flora and fauna of bygone ages, study human bones and teeth, analyse the cultural biographies of material objects, or become an expert in the use of computational methods in archaeological research.