Long-distance Trade in Early Medieval Landscapes (ca. 6th-12th centuries)

This volume offers an innovative analysis of Roman political culture in Italy from the first to the sixth century AD on the basis of seven case studies.

This study proposes a theory for the encoding of specificity and definiteness in the Chinese nominal based on Cantonese, Mandarin and Wenzhou data.

This edited volume evaluates the concept of global order, with a particular emphasis on the role of regional organisations within global governance institutions such as the United Nations. Several researchers at the Institute of Security and Global Affairs (ISGA) have contributed to this volume in the…

Cultural and individual differences

The Modern Devotion: pone of the most influential religious initiatives in the late medieval Low Countries.

This thesis studies theoretical surface chemistry within the field of heterogeneous catalysis.

Healthcare Information Systems (HIS) are essential for modern healthcare delivery, yet their development faces significant challenges including heterogeneous data formats, regulatory compliance, and the growing demand for AI-driven decision support.

On the 17th of December, Jin Wang successfully defended a doctoral thesis. Leiden University Centre for Linguistics congratulates Jin on this achievement!

The endophytic microbiota is a community of various microorganisms that reside in plant tissue. These microbes are known to promote plant health and resilience, and their members do not simply exist side by side.

In this dissertation, a corpus of 595 seventeenth-century letters (mainly private ones) written between 1664 and 1672 is examined from a sociolinguistic perspective.

Microglia support the central and peripheral nervous system by forming the first line of defense against hazardous events. Microglia are increasingly acknowledged as critical players in neurodegenerative diseases, highlighting them as potential therapeutic targets.

Arab Identity and the Rise of Islam

Multi-objective evolutionary computation aims to find high quality (Pareto optimal) solutions that represent the trade-off between multiple objectives.

Promotor: Prof.dr. T.J. Aartsma, Co-promotor: R.N. Frese

Cholesterol influences many pathways, including serving as precursor for adrenal steroidogenesis. Imbalance of cholesterol levels has been implicated in several diseases including cardiovascular diseases and its underlying pathology, atherosclerosis.

How can the legal and socio-legal research skills of Indonesian jurists be increased in order to promote legal certainty and to strengthen the capacity of the judicial training in the country?

This dissertation presents a new perspective on the life, work and character of the Dutch physical chemist Jacobus Henricus van ’t Hoff, first recipient of the Nobel Prize in Chemistry, and one of the most important and colourful scientists in Dutch history. The image of Van ’t Hoff that emerges from…

Dr. Foks obtained this fellowship for the project “Can promotion of efferocytosis induce regression of atherosclerosis?”, in which she aims to identify novel targets to promote regression of atherosclerosis. This research grant allows her to initiate independent research for the next three years.

Growth hormone profiles are pulsatile and highly variable between individuals, limiting the implementation of mathemathical models to quantify an individual's secretion.

Intelligence of the crowd, or in other words, intelligence of a large, random collective, exists mostly in social media platforms such as twitter. The collective does not comprise (at least not necessarily) experts on crises, just regular people mostly. Nevertheless, there is valuable intelligence to…

In this article, Jeanine de Roy van Zuijdewijn and Edwin Bakker provide a big picture reflection on two decades after 9/11 in Western Europe.

Situated at the crossroads of the Indian and Pacific Oceans, the Spanish Philippines offer historians an intriguing middle ground of connected histories that raises fundamental new questions about conventional ethnic, regional and religious identities.

A novel mathematical model describes spatial-temporal drug distribution within one or more brain units, which are cubic representations of a piece of brain tissue with brain capillaries at the edges.

Studies on Ancient West Asia in Honour of Peter M.M.G. Akkermans

The fourth volume of Ex Novo has the pleasure to host Heleen van Londen, Marjo J. Schlaman, and Andrea Travaglia as guest editors of the special issue titled The Natural and The Cultural. Integrating Approaches in Landscape Heritage Management. This timely collection of peer-reviewed papers and short…

This thesis investigates how galaxies form and what diversifies the evolutionary histories of galaxies.

In this thesis, we used genetically engineered mouse models to identify genes and pathways that are involved in ILC formation and in the development of resistance to FGFR-targeted therapy.

Cette étude montre que le développement phonético-phonologique en fulfulde et bambara est à la foiscomparable au développement langagier dans d’autres langues du monde et influencé par les caractéristiques phonétiques et phonologiques de ces deux langues notamment au niveau de la phonotaxe.

Development and validation of instruments that can measure different aspects of emotional competence in children with normal and atypical development, and in different cultures

Traces of a Colourful Past

In the near future oral polio vaccine (OPV) will be replaced by inactivated polio vaccine (IPV) as part of the eradication program of polio. For that reason, there is a need for substantial amount of safe and more affordable IPV for low-income countries. Bioneedles, which are biodegradable mini-implants,…

Innovating objects in a Eurasian center of the Late Hellenistic period.

When and how does social anxiety develop? How can it go astray in some adolescents? How can we help troubled young people to attend school regularly and return to a normal developmental pathway?

Archaeological and Anthropological perspectives

To what extent does using 360 immersion to a speaking task change the elicited speech, compared to conditions with 2D presentations?

Source: J Cheminform, Volume 7, Issue 1 (2015)

Promotors: Prof.dr. P.J. Punt, Prof.dr. C.A.M.J.J. van den Hondel

Crafting Futures through Cheese-Making in Val Taleggio (Northern Italy) is written by Cristina Grasseni and is published in Gastronomica.

Making extensive use of primary source materials this study contributes to existing scholarship in the field of eighteenth-century grammars and grammarians by providing an in-depth study of Ash’s Grammatical Institutes and its influence on other popular grammars for children.

Supervisor: Indira Nederpelt

On 23 February 2022, Cale Davis defended the thesis 'Prosecutorial Discretion in International Criminal Justice'. The doctoral research was supervised by Prof. C. Stahn en Dr. J.C. Powderly.

This thesis systematically studies the physicochemical properties of non-planar, propeller-shaped, polycyclic aromatic hydrocarbons. The synthesis of several so-called propellerenes is described on a gram scale, using optimized procedures aimed at using less hazardous reagents and reducing the amount…

On Wednesday 24 September 2025 Marija Šerić successfully defended a doctoral thesis and graduated.

This research cluster is a part of the Institute of Political Science’s research programme ‘Institutions, Decisions and Collective Behaviour’. Its members investigate the drivers of political conflict and various types of crises. They study how citizens, political institutions and international organizations…

This research cluster is a part of the Institute of Political Science’s research programme ‘Institutions, Decisions and Collective Behaviour’. Its members study the design and functioning of Dutch political institutions as well as attitudes and behaviour of political elites and citizens.

This book explores the return of six outstanding Kandyan artefacts to Sri Lanka by the Dutch government in 2023. It captures numerous reflections of the international interdisciplinary research team that investigated the provenance of these artifacts and the remarkable layered history that the research…