One of the key discoveries in exoplanet research over the past decade is the abundance of small planets in our Milky Way. Despite their high numbers, our understanding of their atmospheres remains limited, and it is unknown if they possess atmospheres at all.

Promotores: Prof.dr. B.R. Katzy, Prof.dr. K. Sailer (Munich University)

This thesis investigates Søren Kierkegaard’s place in Martin Heidegger’s first Freiburg period lecture courses.

In September 2023 Social Justice Research, a journal from Springer Nature, published a ‘Special Issue on Veteran Reflections’. Eight ‘veterans’ analysed the current status of justice research and suggested new directions and refinements. Herman Steensma, guest member of the section Social, Economic…

With our research and teaching, we help make the world a better place. We join in the academic and public debate, and seek answers to economic and social issues – not just at the local and regional level but at the global one too.

A common method to solve expensive function evaluation problem is using Bayesian Global Optimization, instead of Evolutionary Algorithms.

Newly published: ‘Background to Beakers’; inquiries into regional cultural backgrounds of the Bell Beaker Complex. Harry Fokkens / Franco Nicolis (eds.).

Are you graduating at the Faculty of Science? Or are you supervising a PhD student? At the Graduate School of Science you find support at every phase of your PhD.

Slavoj Žižek is one of the most prominent public intellectuals of the left. His central claim holds that “today, it is more crucial than ever to continue to question the very foundations of capitalism as a global system”.

The Faculty of Governance and Global Affairs

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.

Have you not yet had the chance to sign your signature on the walls of the Sweat Room? Or would you like to pay a digital visit to the famous room?

Promotor: A. Achúcarro, Co-promotor: A. Boyarsky

Challenges for the protection of traditional knowledge and genetic resources, traditional cultural expressions, and traditional knowledge of indigenous peoples in the international scenario.

Why do some parties fail to settle conflict, even after long periods of fighting? ISGA PhD candidate Valerie Sticher suggests that costly concessions often stand in the way of a negotiated agreement. Conflict party members not only care about their in-group's welfare, but also want to avoid rewarding…

This project introduces primary school children (8-12 years) to science and archaeology.

An examination of rationales and core practices of first-grade Worldview/Religious Education teachers focused on their students' philosophical identity development

Design of a Linguistic System for Interstellar Communication Based on Logic

The master’s programme 'Jeugdrecht' considers topics like child abuse, child refugees, bullying via social media, adoption and divorce and aims to make a difference in the lives of the youngest members of our society.

The portal for prospective Indonesian Students contains information about the possibilities to study at Leiden University in the Netherlands.

The main goal of the THEOR CHEM group, headed by Prof. Geert-Jan Kroes, is to characterize, and to accurately predict the outcome of chemical reactions at gas-solid and liquid-solid interfaces. Here the solid surface is typically a metal or an ice surface. These goals are important to many areas in…

Advancing AutoML systems targeting machine learning tasks based on Earth Observation (EO) Datasets.

A remarkable population of short period transiting rocky exoplanets with equilibrium temperatures on the order of 2,000 K has recently been discovered.

Up to 50% of all children and adolescents growing up worldwide are exposed to at least one form of childhood adversity (CA), which is one of the strongest predictors for later-life psychopathology.

A new research line is the development of liquid biopsy fingerprints to predict early Alzheimer’s disease (AD) stage in human in readily accessible body fluids in human (in collaboration with: Dr. Geert-Jan Groeneveld, CHDR; Prof. Elga de Vries, Free University Medical Center; and others).

The Computer Systems, Imagery & media (CSI) research programme performs research on methods and techniques for the design, implementation and application of advanced computer systems, in particular parallel, distributed and embedded computer systems.

Promotor: Prof.dr. J. Memelink

We highly advise you to register with a GP in Leiden or The Hague before arrival or soon after you get here.

Firearms and violence in Europe–A systematic review by Katharina Krüsselmann, Pauline Aarten, Marieke Liem

Are you interested in developments in society? In a conflict, do you prefer searching for a compromise rather than giving a judgement? If so, Notarieel Recht is the right study for you.

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Clinical development of drugs for central nervous system (CNS) disorders has been particularly challenging and still suffers from high attrition rates.

The high velocity tail of the total velocity distribution of stars provides essential insight into fundamental properties of the Galaxy.

Promotor: Prof.dr. W.T.F. den Hollander, Prof. dr. E.A. Verbitskiy

The post-PhD phase is discussed during the many formal and informal meetings PhD candidates have with their supervisors. However, there are also various online sources, workshops and events available to PhD candidates to better prepare for the next step.

The programme consists of 60 EC to be completed in one year.

A more efficient solar panel sounds great. But what if these new panels consume more toxic materials, or their production consumes a lot of energy? Leiden environmental scientists, together with colleagues from the Fraunhofer ISE, address this multifaceted question in a new publication in the prestigious…

The project has been done in the Quantum Matter Optics group under the supervision of Dr. Wolfgang Löffler and Prof.dr. Carlo Beenakker. The title of the presentation is:

The project has been done in the Theoretical Nanophysics group under the supervision of Prof.dr. Carlo Beenakker. The title of the presentation is: ''Quantum pumping signatures of parafermionic zero-modes.

Finally we know for sure that there is a black hole at the centre of our own galaxy. Today, astronomers unveiled the first ever photo of Sagittarius A*, a super-massive object at the centre of the Milky Way. This picture could only be taken thanks to the cooperation of telescopes worldwide.

Afgelopen zondagavond, 22 augustus, is na een kort ziekbed onze zeer gewaardeerde collega professor Wim Jiskoot, Hoogleraar Technologie van toediening van medicijnen, overleden. Wim werd twee weken geleden onverwachts geconfronteerd met het feit dat hij een vergevorderd stadium van kanker had, waarvoor…

Are Weyl particles the ideal conductors? Do cells without a cell wall play a role in chronic Tuberculosis infections? Carlo Beenakker and Dennis Claessen want to answer these questions. They both received a KLEIN grant from the NWO. With these grants, NWO wants to stimulate innovative, fundamental r…

Wil je onderzoeksideeën en nieuwe publicaties in informele setting met vakgenoten bespreken? Meld je dan aan voor deze nieuwe seminar-reeks! Elke laatste woensdag van de maand komen we samen, afwisselend op locatie en online. De eerste bijeenkomst zal plaatsvinden op woensdag 26 oktober van 16:00 tot…

The dissociative chemisorption of a molecule on a transition metal surface represents a rate-limiting step in many heterogeneously catalyzed processes, whereby most chemicals are made. In spite of the importance of this reaction, an accurate first principles approach to modeling it does not yet exist.…

The place of European states and institutions in world politics is the core focus of this pillar. Research on this theme concerns European actors’ ability to promote peace, security and justice in their neighbourhood and to shape the future of global governance by translating its economic size into…

Research on this theme concerns Europe’s position in global markets, its response to the emergence of new international trade and financial actors that challenge institutions where Europe has long had considerable influence.

How do the starchy botanical foodways reflect upon previous archaeological understandings in the northern and circum-Caribbean?

In the field of Western art music, improvisation has become a much discussed topic. In this interdisciplinary study I argue that in this context, improvisation is not to be seen as a quasi-autonomous skill or art form, but as an aspect of music-making in general.

As an artist Clevis is fascinated by the phenomenon of place in relation to beginnings and final destinations.

This book offers a linguistic anthropological analysis of multilingualism among the Matsigenka, Quechua, and Spanish languages on the coffee frontier of Southern Peru, set against the backdrop of economic transformation and deforestation in the world’s last great forest.