Opting more often for mocktails or soft drinks rather than beer or wine, talking to others about their drinking and pointing out the ban on drugs. Leiden University’s new covenant on alcohol and drugs for study associations encourages providing more alcohol-free alternatives.

Masses of hamburgers, steaks, cheese and a lot of eggs: Americans love their animal products. But researcher Oliver Taherzadeh discovered that only a relatively small group of high-volume consumers need to modify their diet to achieve an enormous environmental gain.

ChatGPT, translation machines and bots: for Carole Tiberius, they are a piece of cake. On 1 January, she was appointed professor of Computational Linguistics. 'There ae two elements to the field: computer science and linguistics.'

Lecture, Online webinar

PhD defence

Vaccination is the most effective method to prevent influenza infection. However, current influenza vaccines have several limitations. Relatively long production times, limited vaccine capacity, moderate efficacy in certain populations and lack of cross-reactivity are important issues that need to be…

This thesis explores Breaking of Ensemble Equivalence (BEE) in random graph models by examining the spectral properties of adjacency matrices. The goal is to identify spectral characteristics that differentiate random graph ensembles, enhancing the understanding of complex network structures and beh…

VVI Research Meetings 2022-2023

PhD defence

The subject of this thesis, ‘Approach to Markov Operators on Spaces of Measures by Means of Equicontinuity’, combines an analytical and probabilistic approach to Markov operators.

PhD defence

PhD defence

Lecture, LUCIS What's New?! Series

Promotor: F.H.J. Redig, Co-Promotor: W.T.F. den Hollander

Promotor: Promotor: W.Th.F. den Hollander, Co-promotor: V. Sidoravicius.

This research intents to redefine the limits of the electric guitar.

On 21 October 2021, Frederik Behre defended the thesis 'A European Ministry of Finance?'. The doctoral research was supervised by Prof. S.C.G. Van den Bogaert.

Under what circumstances do paramilitary groups limit their use of political violence? This article examines the use of political violence by the PIRA.

Reflective dialogue is an effective instrument for professional learning of teachers. This research considers the characteristics, development, stimulating and limiting conditions for reflective dialogues in the context of Dutch primary school teachers who collaborate and learn together. The goal is…

Managing scarcity to serve the public interest is a classic government task. An important way to execute this task is by allocating individual rights that are only available in limited quantities, such as CO2 emission allowances, gambling licences, subsidies, radio frequencies, public contracts and…

Everything you need to know about the minor Ecology, Migration and Tolerance: Limits to Cooperation.

Promotor: Prof.dr. M. de Jong, Co-Promotor: Dr. A.J. Heijboer

A Small Private Online Course (SPOC) is an online academic subject for a limited group of participants.

This guide will give you the necessary help and guidance in submitting your application for the master’s specialisation School Psychology at Leiden University.

This guide will give you the necessary help and guidance in submitting your application for the master’s specialisation Clinical Psychology at Leiden University.

Promotor: M. de Jong, Co-Promotor: Samtleben

This book offers a comprehensive analysis of the international law applicable to cyber operations, including a systematic examination of attribution, lawfulness and remedies. It demonstrates the importance of countermeasures as a form of remedies and also shows the limits of international law, highlighting…

In what way can the qualities of an existing context be used as guiding and enriching principles rather than limiting factors in the process of spatial transformation?

This guide will give you the necessary help and guidance in submitting your application for the master’s specialisation Health and Medical Psychology at Leiden University.

This guide will give you the necessary help and guidance in submitting your application for the master’s specialisation Child and Adolescent Psychology at Leiden University.

This guide will give you the necessary help and guidance in submitting your application for the master’s specialisation Clinical Neuropsychology at Leiden University.

To limit the effects of climate change, global average temperature since pre-industrial measurements are to be kept well below 2 °C preferably even at 1.5 °C.

Although sexual abstinence before marriage is no longer the central message in The Netherlands the affective relationship as a criterion for professionals within criminal justice can be seen as a more contemporary version of marriage.

PhD candidates carry out a programme of independent research and additional (limited) course work, culminating in production of a PhD thesis in typically 4 years.

Corporeality, intimately bound to the notion of space, to the diffuse border that connects, entangles, and fuses an inside and an outside, is understood in this book as a space which puts the individual at stake as a war machine that, in its fight for a form of life, redefines political territories.

Development of micro-scale analytical tools to be used to address relevant biomedical questions in the field of neuroscience, and other application areas intrinsically dealing with small sample amounts.

The Biomedical Microscale Analytics group is led by Dr. Rawi Ramautar. In present-day metabolomics, and bioanalysis in general, the analytical toolbox used encounters difficulties for the analysis of limited amounts of biological samples. As a result, a significant number of crucial biomedical/clinical…

This paper written by Vydra and Kantorowicz answers the research question ‘What policy-relevant information does Twitter contain?’ as well as the research question ‘How does this information change between a period of normalcy and a period of crisis?’

What is the most effective way to eliminate tumour cells? The DNA repair mechanism could play an important role in increasing the effectiveness of chemotherapy in the fight against cancerous cells. If we are to influence this mechanism, we need fundamental knowledge about how the mechanism works.

On 11 October, the roundtable on ‘Academic Freedom – Theoretical Perspectives’ took place at the Academy Building, Leiden. It was organized in the framework of the Vidi research project The EU fundamental right to 'freedom of the art and sciences': exploring the limits on the commercialisation of academia…

Participation is free, but registration is required as limited seats are available. Registration includes coffee breaks, lunch, and drinks during the poster session (plus speakers’ dinner for all invited lecturers).

In the Netherlands approximately 130 out of 700 secondary schools offer a bilingual stream. However, research about CLIL (Content and Language Integrated Learning) is limited. With her dissertation Evelyn van Kampen (PhD student at ICLON) wants to contribute to the understanding of the nature and range…

PhD candidates carry out a programme of independent research and additional limited) course work, culminating in production of a PhD thesis in typically 4 years.

Optimization tasks in practice have multifaceted challenges as they are often black box, subject to multiple equality and inequality constraints and expensive to evaluate.

On 21 February 2019, Ruben Zandvliet defended his thesis 'Trade, Investment and Labour: Interactions in International Law'. The doctoral research was supervised by Prof. dr. N.J. Schrijver.

PhD candidates carry out a programme of independent research and additional (limited) course work, culminating in production of a PhD thesis in typically 4 years.

Detecting nanoscopic objects plays an important role in nanoscience in particular, in the rapidly growing field of nanobiology. The forebear to modern super-resolution microscopy for single molecule investigation, is fluorescence microscopy.

PhD candidates carry out a programme of independent research and additional (limited) course work, culminating in production of a PhD thesis in typically 4 years.

The invention of neural networks marks a critical milestone in the pursuit of true artificial intelligence. Despite their impressive performance on various tasks, these networks face limitations in learning efficiently as they are often trained from scratch.