Over the last decades, income inequality has increased globally. How do social policies affect this increasing trend? How do international trade and technological progress affect inequality? What is the profile of income inequality in China?

On Tuesday 10 September 2024 May Shaddel Basir successfully defended a doctoral thesis and graduated.

Tracing the evolution of the molecular gas content in galaxies is critical for a complete understanding of galaxy formation and evolution, as it provides the direct fuel for star formation. Studies of high-redshift (z>1) molecular gas reservoirs, most commonly traced by carbon monoxide (CO), have seen…

Promotor: E. Bouwman, Co-Promotor: S. Bonnet

How do technological systems impact the environment? And can they be designed in a more sustainable way? The Resources and Energy research program studies the importance of resources and energy for our society and aims to guide the shift towards a sustainable circular economy.

Promotor: J.M. van Ruitenbeek, Co-Promotor: S.J. van der Molen

In this thesis, I focused on studying the above- and belowground interactions of J. vulgaris from a plant-soil feedback (hereafter, PSF) perspective. I investigated the temporal variation of negative PSF and examined the effects of root-associated bacteria on plant performance and aboveground herbiv…

In condensed matter systems electron-electron interactions, negligible in everyday metals, can dramatically alter the electronic behavior of the system. Examples of such altered behavior include high-temperature superconductivity and modulation of the electron density.

Promotor: Prof.dr. D. Bouwmeester, Co-promotor: M.P. van Exter

We study the interplay of topology and geometry with chirality for several passive and active systems, employing both analytical and numerical methods.

The Leiden Leadership Centre conducts research into the development of effective public leadership within and between organisations. On the basis of our research and development agenda ‘Furthering Public Leadership’, we focus on public leadership in a public context, on its societal impact, and on leadership…

Reconstructing interactions between communities in and out of Cyprus in the early third millenium BC

De Pagus Renensis van de 4de tot de 8ste eeuw na Chr.: Een archeologische synthese

Marc Koper’s research focuses on electrocatalysis and electrochemical surface science for sustainable energy and chemistry. Reactions of interest are the redox reactions of the oxygen/hydrogen cycle (water oxidation, hydrogen evolution), the carbon cycle (reduction of carbon dioxide, oxidation of small…

The Near East, situated at the nexus of Europe, Africa, and Asia, was central to the development of ancient societies in all three continents.

This dissertation explores various perspectives on the term immersion, and its relation with, and transformation through, a composer’s practice.

On December 6th, Bob Schoemaker succesfully defended his doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Bob on this great result.

How can the Indonesian National Ombudsman make the transition from autonomous to responsive justice in view of the day-to-day challenges it is faced with?

In the current global context, there is a pressing need to address sustainable energy supplies to safeguard our Planet and its ecosystems. The choices made by human society have a significant impact on genetic evolution and climate.

On October 9th, Peter Alexander Kerkhof succesfully defended his doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Peter Alexander on this great result.

For a long time it has been thought that habitation and landscape organisation only changed significantly from the Roman Period onwards. However, many developments were already started long before Julius Caesar's Roman armies arrived in the southern Netherlands.

Located in the small Kingdom of Commagene at the upper Euphrates, the late Hellenistic monument of Nemrud Daǧ (c. 50 BC) has been undeservedly neglected by scholars

In times of hardships or crisis, local people know how to deal with it using their resourcefulness. Although efforts are sometimes made by the government to help them, they are fully aware that community support is at least equally important.

In this study, we evaluated the influence of supercritical carbon dioxide (scCO2) spray drying conditions, in the absence of organic solvent, on the ability to produce dry protein/trehalose formulations at 1:10 and 1:4 (w/w) ratios.

This thesis investigates opinion dynamics on random graphs through the lens of the voter model, a classical interacting particle system used to describe how consensus emerges in networks.

Promotor: W.Th.F. den Hollander Co-Promotor: F.M. Spieksma

You will develop an understanding of the interconnectedness between the world economy, international law, justice, war and how peace might become more prevalent.

As Bolivia reels from the collapse of the government in November 2019, a wave of social protests, and now the impact of Covid-19, this book asks: where next for Bolivia?

From corpus pragmatics and metapragmatics to accountability and intentions, and from conversational structure and im/politeness to the role of emotions in utterance interpretation, the short articles collected here represent not just the wide scope of Michael's own work but also a snapshot of the field,…

This website showcases Leiden University’s contribution to the SSH Sector Plans.

PhD defence

In welke mate hebben domaniale structuren de machtsvorming en nederzettingsontwikkeling in en van het gewest Holland bepaald?

Lecture

What is Leiden University doing to make its buildings future-proof and independent of fossil energy?

“Het is niet genoeg dat Amerika aanwezig is in de ruimte. Amerika moet domineren”, zegt Donald Trump tijdens een bijeenkomst met de Nationale Ruimteraad. Zodoende wil hij naast de land-, zee-, en luchtmacht een nieuwe militaire kracht oprichten: de Space Force. Ruimterecht deskundige Tanja Masson denkt…

Half april verschijnt bij uitgeverij Walburg Pers: Jacob van Maerlant, Der Naturen Bloeme. Uit het Middelnederlands vertaald door Ingrid Biesheuvel.

The ‘Toetsingscommissie Inzet Bevoegdheden’ (TIB), an independent Dutch committee overseeing intelligence efforts and competences, is facing criticism on its supervision of the Dutch intelligence services. ‘Whether the increased supervision is hurting (national) security, can really only be determined…

Bert Koenders, Professor Peace, Justice and Security at the Institute of Security and Global Affairs (ISGA) appeared live on the ‘BNR de Wereld’ special broadcast ‘De Grote Vredesshow’ (The Great Peace Show). The radio show was hosted live from Wijnhaven in collaboration with the Faculty Governance…

When you think of squatting, the picture that comes to mind is of young people occupying derelict buildings in big cities. Leiden also has a history of squatting, and that history is very diverse.

Private businesses will probably soon refuse access to non-vaccinated persons in the near future. But this is more difficult when it comes to public amenities. Aart Hendriks, Professor of Health Law at Leiden Law School, contributed to an article in Dutch newspaper NRC saying that he anticipates that…

From a meaningless block of plastic to an advanced component that contributes to the energy transition. The technicians and scientists of our faculty think it out in detail and make it a reality. This special project shows that they need each other.

A festive and honourable visit to our southern neighbours for professor Marc Koper. On Thursday 23 March, he received an honorary doctorate at the University of Antwerp. Koper gets the title in recognition of his expertise in the field of electrochemistry. ‘An important recognition for our research…

To be eligible for Industrial Ecology at Leiden University and Delft University of Technology, you must meet the following admission requirements.

Meet our team