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

Science, Leiden Institute of Advanced Computer Science (LIACS)

Read more about the International Network Open Science & Scholarship Communities in our Vision and Mission statements.

Leiden University and the Ministry of Infrastructure and Water Management are involved in a collaboration in the form of a research project titled 'Data-Driven Risk Assessment in Infrastructure Networks'.

The first successful Leiden Networks day took place on September 23, 2016. Six world-renowned speakers (see photo) in the field of complexity and network science provided their view on the field.

In 2018 NETWORKS organised a very succesful masterclass on networks and their applications for secondary school students with the title 'NETWORKS goes to school'. This week, NETWORKS published the collection of contributions with an extensive introduction. The aim of both the masterclass and this…

Back after pandemic interruptions, the Dutch Network Science Society Symposium took place on May 19th, 2022. The event brought together researchers from around The Netherlands studying complex networks and representing various disciplines, including mathematics, physics, neuroscience, computer science,…

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.

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

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.

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

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…

A new research data infrastructure in computational social science

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

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

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

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

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

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.

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

This project develops methods for ensuring the anonymity of individuals in social network data.

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

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.

We study the structure, dynamics and physics of complex networks emerging from the intricate interconnectedness of the constituents of large systems.

Below you can find an overview of our network.

OSCNL, the international network of Open Science Communities, receives recognition

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

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

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.

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

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

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

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…

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.

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

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 Data-Driven Drug Discovery Network (D4N) is an initiative by researchers from Leiden University and collaborators to join efforts in applying and developing novel techniques from data science to drug discovery and related topics from bioinformatics.

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.

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…

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…

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

Promotor: A.W. van der Vaart