Den Hollander

This dissertation consists of two parts, with the common theme

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.

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

Bacteria often experience external challenges, such as changes in environmental conditions or attacks by bacteriophages.

Promotor: F. Arbab, R. De Nicola, Co-Promotor: M. Tribastone

Promotor: J. A. Bouwstra

Een infrastructuur voor onderzoeksdata in computationele sociale wetenschappen

Promotor: S.M. Verduyn Lunel, Co-Promotor: O.W. van Gaans

A P300-based Brain Computer Interface character speller, also known as P300 speller, has been an important communication pathway, under extensive research, for people who lose motor ability, such as patients with Amyotrophic Lateral Sclerosis or spinal-cord injury because a P300 speller allows human-beings…

Building a Deep Cross-media Transfer Network to extract visual relations that relieve the problem of insufficient training data for visual tasks.

One of the major limitations in culturing complex tissues or organs is the lack of vascularization in the cultured tissue. Development of a functional capillary bed could overcome this problem.

There is no heritage without emotional sharing and clashing. This article explores the involvement of divergent emotions in heritage making by discussing the debate series of Imagine IC and the Reinwardt Academy and zooming in on the commemoration of slavery and imagery of ‘Black Pete’ in the Netherlands.…

Wiskunde en Natuurwetenschappen, Mathematisch Instituut (MI)

There is a growing concern that AI programmes like ChatGPT exacerbate existing biases concerning gender, age, race and sexual orientation. As we are increasingly integrating the impressive abilities of AI programmes into companies, organisations and our personal lives, it is useful to take stock of…

Alumni-activiteit

The idea of citizens and public professionals collaborating to provide public services has widely spread in several countries around the globe. Co-production is often presented as the go-to solution for challenges like a legitimacy crisis of both the government and the market, and financial concerns.…

On Friday 23 September 2016 the Leiden Complex Networks Network day, the LCN2 day, will take place in Leiden.

Promotor: Prof.dr. G.P. van Wezel

Promotor: Prof.dr. J.N. Kok, Co-Promotor: W.A. Kosters

This two-day international conference organised by the 'Innovating Knowledge' Project aims to bring together researchers applying network analysis to premodern manuscripts and manuscript texts.

Op 10 maart 2017 verwelkomde Professor Karel Luyben (TU Delft) het Metabolomics GO FAIR Implementation Network als community initiatief om de Europese Open Science Cloud te starten. Het netwerk richt zich op het implementeren van de FAIR data principes binnen metabolomics in Europa.

De Universiteit Leiden is een platform rijker. Vicerector Hester Bijl gaf op 19 september het officiële startschot voor de oprichting van het LGBT+ Network.

Salicylic acid (SA) is a plant hormone, which is involved in the defense responses to pathogens and to abiotic stress, and in the regulation of plant growth and development.

Het Zwaartekracht-programma NETWORKS heeft een COFUND-beurs gekregen van 3 miljoen. De helft daarvan komt vanuit het programma Marie Skłodowska-Curie Actions van de Europese Commissie, partners uit het bedrijfsleven betalen de andere helft. Van de 14 nieuwe promovendi komen er twee bij de Leidse onderzoeksgroep…

Een 10-jarig onderzoeksbudget is toegekend vanuit het NWO Zwaartekracht Programma aan Professor Frank den Hollander, tezamen met collega’s van de Universiteit van Amsterdam, het Centrum voor Wiskunde en Informatica en de Technische Universiteit Eindhoven.

Professor Dr. Ton Liefaard, UNICEF hoogleraar in internationale kinderrechten, is verkozen tot lid van de stuurgroep van het Children’s Rights Academic Network (CREAN).

Wat zijn de gevolgen van maatschappelijke trends zoals vergrijzing, individualisering en internationalisering voor regelgeving en instituties op het terrein van sociale zekerheid, pensioenen en de arbeidsmarkt?

Promotor: Jaap Brouwer, Co-promotor: Remus Th. Dame

Lezing

Promotie

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Promotor: Prof.dr. B.R. Katzy, Prof.dr. J. de Vries

Seminar

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Promotie

In today's volatile market environments, companies must be able to continuously innovate. In this context, innovation does not only refer to the development of new products or business models but often also affects the entire organization, which has to transform its structures, processes, and ways of…

Lezing

Governance and Global Affairs

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Promotor: Prof.dr. R.M.H. Merks

Lezing

The main aim of this thesis was to unravel the signaling and regulatory networks that drive tumor cell migration during breast cancer metastasis.

Promotor: Prof.dr. J.N. Kok, Co-promotor: A.J. Knobbe

Promotor: J.A. van Veen, Co-promotor: E.E. Kuramae

LIACS is a partner in RISE_SMA, an interdisciplinary, international network combining excellent scholars and practitioners to enable vigorous knowledge sharing and to develop solutions for contemporary challenges for Social Media Analytics (SMA).

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