Beyond Empires explores the complexity of empire building from the point of view of self-organized networks, rather than from the point of view of the central state.

The recent terrorist attacks in Europe are presumably not just acts committed by individuals, but acts facilitated by larger jihadist networks. But how do such networks operate? Understanding their modus operandi can be useful knowledge to counter terrorist threats.

Drug induced organ toxicity is the main problem of the drug development and drug usage in the clinic. The liver and kidneys are the most sensitive organs towards drug induced toxicity.

How do we address the pressing challenges posed by large-scale networks?

This dissertation studies how domestic regulatory agencies and the officials representing them are influenced by and deal with the increasingly complex transnational environments in which they have come to operate. Based on (social) network analysis it demonstrates how decisions of domestic agencies…

Modelling supra-regional communities in the early 3rd Millennium BC

The Leiden Leadership Centre is an international and interdisciplinary network organisation connecting people and perspectives.

How and under what conditions Dutch primary school principals' managerial networking activities affect the performance of their school

The Leiden Complex Networks Network (LCN2) aims at bringing together scientists from different disciplines, based on a common interest in both theoretical models and empirical analyses of networks and graphs.

Below you can find lists of Leiden-based and international organizations working on Central Asia, and an overview of useful resources on Central Asia.

For many system in statistical physics the microcanonical and canonical ensemble are equivalent in the thermodynamic limit, but not for all.

The ‘Food citizens?’ project is assisted by an advisory board, consisting of academics and stakeholders.

At the Old Observatory, we work with a small but knowledgeable team. This page contains the contact details of the various people in our team.

Organization of the Leiden Institute of Physics.

LeiCenSAA is dedicated to the study of Ancient Arabia and the sharing of knowledge and expertise on this topic. Thefore it aims to collaborate closely with other research in the field.

The LGBT+ Network offers a platform for all lesbian, gay, bisexual, transgender and queer staff and students at Leiden University.

This dissertation consists of two parts, with the common theme

The focus of this programme is the inter-community social relationships and transformations of island networks in the Lesser Antilles across the historical divide.

Both within Leiden University and in the external partner universities PhD-research is conducted which is directly or indirectly related to regional integration.

Walk-in concerts in 2022 on the Flentrop organ in the Great Auditorium.

The organ in the Great Auditorium in the Academy Building has been played at walk-in concerts and University celebrations since 1998.

Below you can find an overview of our network.

LIAS researchers working in the field of linguistics hold dual appointments in LIAS and the Leiden University Centre for Linguistics (LUCL).

In this thesis, we extend the concept of null models as canonical ensembles of multi-graphs with given constraints and present new metrics able to characterize real-world layered systems based on their correlation patterns.

The Leiden Computational Network Science Lab (CNS Lab) researches methods for knowledge discovery from real-world network data.

Promotor: R. Tijdeman, Co-promotor: H.J.J. te Riele

The Global Abolitionisms Network is an international network of scholars working on antislavery activism and abolitionism.

The Global Abolitionisms Network has been established to link scholars from across the world and across disciplines who are working on antislavery activism and abolitionism.

Leiden University actively seeks to prepare students for the labour market and wants to help young alumni at the start of their careers. For this we like to use the knowledge and experience of Leiden alumni. To bring these students and young alumni who have questions about their career in contact with…

The Young Alumni Network is specifically for young alumni (35 years and younger) living in the Netherlands, who have recently graduated and are at the start of their career. As a young alumnus you have different needs than when you are settled in your career path or when your career is drawing to a…

This thesis seeks to combine two different research topics; Multi-Objective Optimization and Complex Network Analysis.

The active learning network joins together everyone interested in the subject to move the theme further within Leiden University. The SALTSWAT pilot program researches the ways forward for Leiden University.

The D&I Expertise Office is in close contact with various student and staff networks regarding diversity and inclusion.

This research concerns a network of labour law specialists in the EU. The growing internationalization of the economic market and the employment market has a major impact on legislation and research of labour law. Particularly within the European Union labour law is subject to constant development…

The Leiden University Sustainability Network is the platform for Leiden University staff to combine their efforts and support each other in making our university more sustainable.

The State & Society network critically interrogates the assumption that state and society are a priori conceptual and empirical objects.

The executive tasks of LeiCenSAA are performed by the director of LeiCenSAA, Ahmad Al-Jallad. He is assisted Marijn van Putten who oversees the office.

Sophia aims to create equal opportunities and promote a better working climate for female academic staff at Leiden University.

Leiden University collaborates with several universities and institutes in the world.

Promotor: A.W. van der Vaart

Business & Law Research Network (BLRN) is a multidisciplinary research and expertise network that focuses on a variety of aspects of doing business within the context of company and insolvency law.

The Anthropology and Sociology network brings together researchers of LIAS and LUCSoR working from an anthropological and sociological perspective and researchers of the Faculty of Social and Behavioural Sciences.

Great Auditorium Organ Foundation is a Public Benefit Organisation (Algemeen Nut Beogende Instelling, ANBI)

Religion, Philosophy, and the Pre-modern World