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.

How can zebrafish models be used to gain a better understanding of host-pathogen interaction mechanisms and to screen new drugs for infectious disease treatment?

Real-life processes are characterized by dynamics involving time. Examples are walking, sleeping, disease progress in medical treatment, and events in a workflow.

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?

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

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.

Can the (industrial) herbal extraction process be mathematically described and can this model be used to optimize the extraction in terms of quality and economical parameters?

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…

This dissertation consists of two parts, with the common theme "Exploration on and of Networks".

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

We strive to address the challenge of constructing a modeling language to write software which can take advantage of recent hardware developments (multicore, cloud) without compromising in its abstraction levels.

The LLC is a network organisation with various national and international partners in academia and public, private and social organisations.

Promotor: Roeland M.H. Merks

Promotor: E.F.A. Deprettere, Co-Promotor: A.C.J. Kienhuis

How can citizen science be used to communicate and provide data for social network analysis?

Promotor: A.W. van der Vaart

Promotor: Prof.dr. E. Deprettere

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.

Electrical signals travel like a wave through our neural pathways. The mathematical models for these movements could not yet properly describe all the biological properties of the nerves. PhD student Willem Schouten-Straatman changed this by improving the existing models. ‘I hope that one day we will…

This computational approach to the complexity of text comprehension is useful for describing the cognitive processes involved.

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 interdisciplinary community aims to facilitate tight collaboration between all faculties of Leiden University on the subject of Artificial Intelligence. The Future of AI is Bright!

Existing work in probabilistic language modeling can be mostly divided into two categories: (i) Purely sequential, string-level approaches ensure fluency at the local level without notion of grammaticality and seek improvements in the use of massive training corpora. (ii) Fully structural, tree-based…

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

Description of Biotic ligand models: making an inventory of available models & assessment of the variability of the predicted HC5 using the BLMs in different Dutch water types (2005 - 2007)

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.

Below you can find an overview of our network.

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

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

Promotores: Prof.dr. P.C.W. Hogendoorn & Prof.dr. H.P. Spaink, Co-promotor: Dr. B.E. Snaar-Jagalska

Main challenges in skin vaccination are overcoming the stratum corneum (SC) barrier and targeting the antigen presenting cells (APC) in the epidermis and the dermis.

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

Leiden University is a member of several international research and education networks.

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

This dissertation studies the Asymptotics of Bayesian nonparametric inference for Gaussian linear models.

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

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

Industrial manufacturing processes, such as the production of steel or the stamping of car body parts, are complex semi-batch processes with many process steps, machine parameters and quality indicators.

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

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