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.

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

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

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.

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

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

Mathematical models of software systems enable characterizations, abstractions, simulations, and analysis of complex software during its development.

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.

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

Promotor: A.W. van der Vaart

Promotor: Roeland M.H. Merks

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

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.

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

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

Existing work in probabilistic language modeling can be mostly divided into two categories:

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.

Lecture, Com(parative) Syn(tax) Series

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

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

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.

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

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

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

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.

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

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

... which build on self-regulation and stress-regulation theories and considers the modification of cognitions as a mediator of therapeutic change.

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 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.

Immunotherapies for cancer are an emerging class of therapeutic strategies which aim to treat cancer via augmentation of the immune system.