Which compounds and microorganisms that live near and inside plant roots are beneficial? Can we use this knowledge to improve the health and growth of crop plants?

Promotor: I. A. G. Snellen, Co-promotor: M. A. Kenworthy

Microbial rhodopsins are photosensitive pigments implemented in the growth and adaptation of a large population of microorganisms.

This thesis revolves around the electronic spectroscopy of molecules in the laboratory and the search for the carriers of the diffuse interstellar bands (DIBs).

Route descriptions to CML by public transport or car

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.

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

This dissertation focused on computational methods based on first principles calculations using the Density Functional Theory (DFT) framework. Emphasis was laid on affordable methods that can provide a tradeoff between computational expense and accuracy.

Promotores: S.F. Portegies Zwart, E. M. Rossi

Promotor: Prof.dr. P. Stevenhagen, Co-promotor: Prof. dr. B. de Smit

We have studied the impact of particle shape anisotropy, multivalent interactions and flexibility on systems of micron-sized colloidal particles.

The Honours Academy is housed in the Old Observatory, on the outskirts of Leiden's city centre.

A modern ship design process is subject to a wide variety of constraints such as safety constraints, regulations, and physical constraints.

The Vallesian, 11.1-9 Ma, was a special time in the Vallès-Penedes basin near Barcelona, where a biodiversity hotspot existed. Europe had a subtropical climate, with rhinos, forest giraffes, lions, hyenas, flying squirrels and primates.

A large diversity of exoplanetary systems has been found, but it is still unclear what drives this diversity.

This thesis systematically analyzes the physical-chemistry of lipid-graphene interactions with the major objective of reconciliating the variety of results reported in the literature.

Bikes are one of the most sustainable ways of travel which use should be promoted by the University.

The World of a Mid-Eighth-Century Egyptian Official

Within this minor program, not only can you enhance your proficiency in French, but also delve into the recent history and culture the Francophone world, from Canada to the Maghreb and the Caribbean.

Spectroscopic studies on fluorescent single molecules in organic condensed matter does not only provide information about the molecule itself, but also its near environment. By suppression of phonon-induced broadening of spectral lines through cooling to low temperatures, small changes in the spectral…

Molecular materials have been a subject of interest in fundamental research and applications for decades, and have been studied as bulk crystals, (thin) films and as individual molecules, due to the large variety in their properties. This dissertation explores pentacene crystals near the two-dimensional…

On this page you can find the current vacancies at the Van der Molen research group.

In this thesis, deep learning is studied from a statistical perspective. Convergence rates for the worst case risk bounds of neural network estimators are obtained in the classification, density estimation and linear regression model.

The programme places emphasis on the interrelation of regional economic law of the European Union with global or trade law of the World Trade Organisation.

Want to study abroad? Visit the Master’s Week of Leiden University and find which master's programme taught in Leiden or The Hague is right for you.

In June 2024 the Faculty of Archaeology welcomed a new Assistant Professor. Dr Jennifer Swerida, originally from the United States, will strengthen the Faculty’s expertise on the archaeology of West Asia. ‘I explore human-environment relationships inside an ancient oasis and the surrounding land. Previous…

Recently, archeologists of Leiden University made an excavation in Oegstgeest, where they found a unique silver bowl from the first half of the seventh century as well as imported pottery and winebarrels. Thijs Porck, lecturer in Old English language and culture at Leiden University, places the Oegstgeest…

Archaeologist Corinne Hofman wins the Distinguished Lorentz Fellowship 2018/19 for research into the changing world of indigenous peoples as a result of colonialism. “The perspective of indigenous communities is still lacking in most history books.

The research article ‘The life history of an enslaved African’ is one of the top 20 read Archaeometry articles in the period of January 2017 to December 2018.

Conference

Leiden bachelor's student of International Studies Thomas wrote a text that was read out this year in the UN Security Council by the Netherlands representative. How did he manage that?

Engagement between Asia and Europe is increasing. If these continents want to build a lasting relationship, they need to understand each other better in the economic, socio-cultural, historical and legal arena. Researchers from Leiden have already contributed to the body of knowledge on past and present…

As a student or staff member at Leiden University, do you want to organise a meeting and invite an expert? We advise you to contact one of these institutes.

This research profile area brings together descriptive, historical and theoretical linguistics, as well as psycho- and neurolinguistics.

This research network aims to create a shared platform for debate and dialogue on the broader theme of cultural production and exchange across different area specializations and historical periods.

Why obey the state? Dorota Mokrosińska presents a fresh analysis of the most influential theories of political obligation and develops a novel approach to this foundational problem of political philosophy, an intriguing combination of the elements of natural duty and associative theories.

In The Holy Land in Observant Franciscan Texts (c. 1480–1650) Marianne Ritsema van Eck analyses the development of the complex Observant Franciscan engagement with the Holy Land during the early modern period.

The premier LUCIS lecture series, running since 2021. Each year, two eminent scholars visit Leiden to deliver landmark lectures in Islamic and Middle East Studies. This forum for presenting and discussing cutting-edge research brings together researchers, students, and other interested participants…

The VVI seeks to advance knowledge of the formation and functioning of legal systems in their social contexts, the impact of these systems on society and vice versa, their effectiveness in governance, and their contribution to development.

Histories Connected seeks to explore social, cultural, and political issues that connect people of Asia, the Middle East, Africa, the Americas, and Europe throughout different periods of time.

LIAS aims to advance the globally conscious vision of area studies, both within and outside the academic community. Focusing on Asia and the Middle East, the institute is a meeting place of multiple fields of inquiry, theories and methods, historical periods, and areas.

Marvel at our rare collections.

If you have a question, there are various ways to get in touch with us.

Law is of major importance for socio-economic development. Ideally, law organizes human interaction in a way that promotes justice and legal certainty and protects vulnerable groups from exploitation and arbitrariness.

What's New is a lecture series organised by LUCIS and the department of Middle Eastern Studies. The lectures focus on current research on Islam and the Middle East.

Congress

Dean prof. Willem Willems has visited Japan from 8-10 September, at the invitation of the Aomori District Council in northern Honshu. Purpose of the visit was to provide assistance in the nomination process for World Heritage Site of 15 prehistoric Jomon Culture sites in northern Honshu and Hokkaido…