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…

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

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…

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.

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

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…

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.

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

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.

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

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?

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.

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

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.

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.

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.

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…

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

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.

Lu, Man defended his thesis on 28 September 2017.

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

The master's programme in Education and Child Studies is an academic programme that focuses on the link between theory, research and practice.

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

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.

Shiʿi Islam

The Reading Club is a ProParte sub-club.

The Garden Club is a ProParte sub-group.

Promotores: Prof.dr. J. Schaye, Prof.dr. S.D.M. White (MPA Garching)

The MORE project covers the development of the new entrance area for the Leiden Bio Science Park. Partners Leiden University, the Municipality of Leiden and the Amstelveen-based development agency Yisheng signed the agreement on 18 March, marking the official start of the project.

Promotor: Prof.dr. G.R. de Snoo, Prof.dr. G.A. Persoon

On Wednesday 23 October 2024 Yixiu Jiang successfully defended a doctoral thesis and graduated.

On Tuesday 3 December 2024 Shuang Liu successfully defended a doctoral thesis and graduated.

In the 2015 QS World University rankings the area of Politics and International Studies at Leiden University, which includes Public Administration, has climbed to the 23rd place worldwide. Politics and International Studies at Leiden University holds the first position in The Netherlands and a top 10…

Starting this academic year (2016-2017) Maartje van der Woude, Professor of Sociology of Law at the Van Vollenhoven Institute will organize the Leiden Socio-Legal Series (LSLS).

Our team consists of the following members.

The Life in Custody (LIC) Study comprises a large-scale research project into prison climate and the quality of prison life in Dutch prisons.

Promotor: Promotor: W.Th.F. den Hollander, Co-promotor: V. Sidoravicius.

Humans share meaning through language. Over time, repeated interactions have shaped languages into forms that match our cognitive preferences, making them structured, expressive, easy to learn, and ultimately, meaningful.

In this thesis, I studied the origin and evolution of the non-thermal radiation in merging galaxy clusters.

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

Together with colleagues from the Stimson Center and in the framework of the Global Governance Innovation Network, Dr. Joris Larik has recently published the report

On Tuesday 30 April 2024 Jonny Russell successfully defended a doctoral thesis and graduated.

On Wednesday 21 May Adrian Perkasa successfully defended a doctoral thesis and graduated.

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