The emissions of the Chinese industrial sector alone comprise 24.1% of global emissions (7.8 GtCyr−1 in 2015). This makes Chinese industrial emissions of unique national and international relevance in climate policy. This study reports a literature survey that quantitatively describes the evolution…

What motivated past human societies to repeatedly invest labour, generation after generation, in constructing, maintaining, and enhancing monumental structures in an environment prone to frequent and unpredictable natural disasters? Moreover, how did societal resilience and periods of heightened or…

Shiʿi Islam

In this dissertation, electrophysiological (EEG) and behavioural measures are used to investigate how allophonic tonal variants and sub-phonemic features are processed during Mandarin and Dutch speech production, visual processing of written words and reading aloud.

Brownian motion is the random motion of (colloidal) particles due to collisions with the atoms and molecules of the solvents, which are moving due to temperature.

On May 31st, Bobby Ruijgrok succesfully defended his doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Bobby on this great result.

Over the last three decades, the discovery of exoplanets has revealed the boundless variety of worlds beyond our own Solar System⁠. Majority of planetary systems contain short-period planets that are larger than Earth but smaller than Neptune⁠.

Promotor: Prof.dr. J.M. van Ruitenbeek, Prof.dr. R.M. Tromp

This study seeks to partially fill the knowledge gap about national culture in Africa, basing its research on data on ethnolinguistic groups (instead of administrative regions).

Can we develop a generic method for Quan/Qual analysis of small molecule drugs, their metabolites and endogenous metabolites in (pre-)clinical samples?

Since 2006, HJD has made an important contribution to shaping diplomatic studies as an international academic field. Our new HJD Diplomacy Reading List presents a diverse collection of analyses categorized into forty-five topics published in HJD over the years. We hope these lists prove a valuable resource…

This dissertation is an experimental study of laser-generated, atmospheric pressure, transient toroidal helium plasmas.

The Reading Club is a ProParte sub-club.

This recently released book takes a critical view of conceptual issues and practical problems that inevitably emerge when ‘excellence’ takes center stage in science systems in the Global South. What is ‘excellent science’? And how to recognize and assess it? After decades of inquiry and debate there…

Exploiting the Ecological Role of Natural Products as Novel Biocontrol Agents (LIPQUORUM): The central aim of LIPQUORUM is to unravel the intricate interkingdom signaling mechanisms between the Bacillus subtilis species complex and the devastating fungal pathogen Sporisorium scitamineum.

How do cognitive, motivational, and affective processes interact to select actions?

The secretariat is part of the Institute for the Interdisciplinary Study of the Law, part of Leiden Law School. The Institute Coordinator is in charge of the secretariat and the Institute's Academic Director is ultimately responsible for the secretariat. The secretariat provides administrative support…

Promotores: Prof.dr. S.J. Edixhoven, Prof.dr. E. Ullmo (University Paris-Sud)

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?

English The purpose of this research is to identify and examine the challenges faced by African States in the field of foreign investment with a view to contribute not only to the academic debate, but also to foster awareness and develop the capacities of these States with regard to the drafting, negotiation…

Discover why Leiden University is the ideal place for the Political Theory: Legitimacy and Justice MSc — combining top-level political philosophy education, small-group seminars, and academic staff expertise.

In 2018, the number of mobile phone users will reach about 4.9 billion. Assuming an average of 5 photos taken per day using the built-in cameras would result in about 9 trillion photos annually.

The soil-dwelling, filamentous bacteria of the genus Streptomyces are renowned for their production of useful secondary metabolites including antibiotics. The work described in this thesis provides new insights on the role and regulation of antibiotic production and resistance in these bacteria.

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

Discover why Leiden University is the best place for the MSc Democracy and Representation: renowned faculty, innovative curriculum, small seminars, and a strong research environment.

Leiden University offers you several services related to career orientation and job application skills.

Promotor: W. Jiskoot, Co-promotor: H.A. Every

Identifying and explaining change in the structure of central state bureaucracies and the determinants of survival of individual public organizations are two closely related areas of research in public administration. We aim to bridge the gap between these two main strands of studies of organizational…

On Thursday 11 May 2017, Qiang Yu defended his doctoral thesis ‘Market Power and Competition Law in the Software Industry’. The supervisors of the research are Professor T.R. Ottervanger and Professor S.C.G. Van den Bogaert. A brief summary of his thesis is provided below.

This thesis attempts to establish a dialogue between the modern and the medieval traditions in logic, by means of ‘translations’ of the medieval logical theories into the modern framework of symbolic logic, i.e. formalizations.

Atherosclerosis is a chronic inflammatory disease affecting millions of people world-wide.

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.

Ilina Georgieva published an article in the journal Contemporary Security Policy on the norm-setting role of intelligence agencies.

Leiden University offers you several services related to career orientation and job application skills.

Lu, Man defended his thesis on 28 September 2017.

Discover why Leiden University is the ideal place to study the MSc in International Politics: expert faculty, a location in The Hague's global diplomacy hub, and strong academic and career support.

Software development is probably not the first thing that comes to mind when you think of a sociologist. Three years ago, John Boy began developing his software package Textnets. Because of Corona, he was less able to concentrate on writing scientific research and also setting up the online courses…

In the student-made documentary, our Field School manager, Dr Arjan Louwen, gives a brief introduction on the importance of the excavation in Oss. Watch the documentary below.

This dissertation is organised into three parts, each addressing a distinct research area related to Gibbs measures.

Archaeology in Leiden encompasses the study of societies, cultures, and human behaviour from the past, aiming to reconstruct and revive them. With our mix of education and research you lay a strong foundation for an international career in archaeology or heritage management.

I have studied the hot, diffuse gas around and between galaxies. Specifically, I have used the EAGLE numerical simulations of galaxy formation to predict the properties of this gas, and I have used those properties to predict specific observables: soft X-ray absorption and emission lines.

Humans can see the world through the eyes of other humans and imagine what they know, want, and intend. This competence is known as Theory of Mind.

Lecture, Harold Linnartz Astrochemistry Prize lecture

In the coming years, Asghar Seyed Gohrab receives an advanced European Research Council grant of two and a half million euros to spend on his research into non-conformism in Islam. ‘Hopefully I can use this to contribute something to society, to pass something on to future generations.’

Leiden has the second-highest percentage of female professors of all the Dutch universities. These are the results of the annual Women Professors Monitor. The Open University is the only university with more female professors.

The Greater Angkor Region in contemporary Cambodia was dramatically more urbanized in the 13th century than previously thought, and home to 700.000 to 900.000 people. These discoveries were made by a research team led by Sarah Klassen. Their findings are published in Science Advances.

An important award like the Spinoza Prize, the 'Dutch Nobel Prize', generates lots of media attention. An overview.

An international team led by Leiden astronomers has taken the first-ever image of a young, Sun-like star accompanied by two giant exoplanets. The researchers used The European Southern Observatory’s Very Large Telescope for this, known as ESO’s VLT. Images of systems with multiple exoplanets are extremely…

Short introduction

The origin and evolution of galaxies are closely tied to the cyclic feedback processes between stars and the interstellar medium (ISM).