Most of current public-key cryptography is considered insecure against attacks from sufficiently powerful quantum computers. Post-quantum cryptography studies methods to secure information resistant against such attacks. One proposal is isogeny-based cryptography, which bases its security on computational…

In this paper, Kantorowicz aims to track the persistent effect of former partitioning borders on property tax rates in Poland.

Welcome to StatiCS: the Statistical Consultation Service. The goal of the service is to provide statistical support to PhD candidates and other researchers.

Leiden Law School is working hard to improve sustainability both in education and teaching within the faculty, at our campus and in our research. You can read all about the university's vision and ambitions, recent developments in this area, our current sustainability projects and how students and…

The Institute of Security and Global Affairs (ISGA) is pleased to invite you to the ISGA Conference ‘Who determines the security (research) agenda’ on 9 - 10 November 2016 in The Hague, the Netherlands.

To bring the academic field closer to the professionals working in the field of Vitality and Ageing, the master’s Vitality and Ageing organises its first network event on November 22nd at the Boerhaave Plein of the LUMC.

Assistant professor Andrew Shield was interviewd by Norway's largest printed newspaper, Aftenposten about sex and dating apps.

An analysis of researchers' global mobility reveals that limiting the circulation of scholars will damage the scientific system.

Twee jaar geleden klaagde promovendus Danny Mekić het socialmediaplatform X aan, omdat zijn account, zonder toelichting, onvindbaar werd gemaakt. Hij kreeg gelijk van de rechter, maar X verzet zich ertegen: ‘Twitter wil niet transparant zijn.’

Aesthetic attraction plays a big role in orangutans’ mate choice, behavioural biologist and PhD candidate Tom Roth has observed. But to discover just how big that role is, more research is needed into the emotions of the great apes.

How do you move 3,000 fragile clay tablets that date back thousands of years? This was the challenge faced by staff from the Netherlands Institute for the Near East (NINO). After years of preparation, the Liagre Böhl collection has been moved on trolleys to its new home.

Today, ESA’s Gaia mission releases its new treasure trove of data about our home galaxy. Astronomers, led by the Leiden astronomer Anthony Brown, describe strange ‘starquakes’, stellar DNA, asymmetric motions and other fascinating insights in this most detailed Milky Way survey to date.

To safeguard the quality of research within Leiden University, a committee of external experts evaluates the University’s institutes once every six years according to the Standard Evaluation Protocol which is drawn up by the Association of Universities in the Netherlands (VSNU), the Royal Netherlands…

Positive friendships are characterised by understanding mutual wishes and intentions, respect for each other’s boundaries and pro-social behaviour. Qualities that might be more challenging for autistic adolescents.

While the U.S. reconsiders its global commitments, Japan remains a stable partner, having cultivated the roots of its bilateral partnerships in the Indo-Pacific region and expanded its commitment to global health.

The Trio, a people living in Suriname and Brazil, are ‘masters of creation’. Their immense knowledge of nature and materials enables them to live in the jungle. Archaeologist Jimmy Mans follows the Trio.

The quest for Trustworthy AI is high on both the political and the research agenda, and it actually constitutes TAILOR’s first research objective (H1) of developing the foundations for Trustworthy AI. It is concerned with designing and developing AI systems that incorporate the safeguards that make…

A research into how people eat and drink during their daily routines, and the circumstances under which these activities take place.

One often sees gloomy Dutch newspaper headlines about pupils’ arithmetic skills in elementary schools. But is the situation really so bad? Marian Hickendorff is conducting intricate research on performance in and the teaching of arithmetic. The conclusions she draws beg to differ.

In my research, we developed a method to distinguish knots. A knot is a mathematical depiction of the everyday knot that occurs in ropes and cords.

Find out how to apply for Law and Society (MSc)  at Leiden University by following our step-by-step guide. 

Promotores: R. Cramer, A.K. Lenstra, Co-Promotor: B.M.M. de Weger

Leiden University is a integral part of the community and contributes to a sustainable society. Over the coming years our University will become even greener.

In this article, Gerrit Dijkstra and Jos Raadschelders from the Institute of Public Administration, argue that Bosnia-Herzegovina survives so far on the basis of negative legitimacy.

The two-year Foundations of Computing programme (120 EC) includes mandatory core courses and electives, as well as a Master's Thesis Research Project.

According to the amyloid cascade hypothesis, accumulation of beta-amyloid (Aβ) peptides initiates the pathological cascade in Alzheimer's disease (AD).

Promotor: P.D. Grünwald

One of the most important correlation functions in physics, especially in cosmology, is the energy density, which describes how much energy is present at each point in spacetime due to matter fields. A key contribution to the energy density of the primordial universe comes from gravitational waves (GWs),…

This book provides the answers, presenting clear insights into the current state of affairs and exploring future prospects.

On 29 June 2017, Doris Dull-Zessner defended her PhD dissertation “Value Congruence in a Multinational Corporation”. The supervisors are Professor J.A.A. Adriaanse and Professor J.I. van der Rest.

Promotores: Prof.dr. J. Aarts, Prof.dr. J.M. van Ruitenbeek

On 11 February 2020, Clara van Dam defended her thesis 'Guidance documents of the European Commission in the Dutch legal order'. The doctoral research was supervised by Prof. W. den Ouden and Prof. J.E. van den Brink (UvA).

Despite being the object of intense study, embryonic development has been difficult to model due to a number of reasons. First, complex tissues can be comprised of many cell types, of which we probably only know a subset.

Doctoral Thesis

Promotor: Prof.dr. B.R. Katzy, Co-promotor: R. Ortt

This thesis considers multi-prover commitment schemes whose security is based on restrictions on the communication between the provers.

The authors of the article expect automation to improve accuracy in less complex programmes but worsens with increased complexity

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

While Nietzsche's works and ideas are relevant across the many branches of philosophy, the themes of contest and conflict have been mostly overlooked. Conflict and Contest in Nietzsche's Philosophy redresses this situation, arguing for the importance of these issues throughout Nietzsche's work.

Robotics, using social mechanisms like hormonal modulation, may accelerate our understanding of core sociality principles. By looking at social robotics through an evolutionary lens, we propose this field as a promising framework to investigate the fundamental bricks of sociality from an evolutionary…

Find out how to apply for Public International Law at Leiden University by following our step-by-step guide.

Design of a Linguistic System for Interstellar Communication Based on Logic

Embarking on a PhD trajectory and perhaps moving countries in order to do so is a big thing, and it can be hard to find the information you need. The info below ranges from formal rules to practical matters such as the need to look for housing.

Catalysis is of extreme relevance in the production of everyday materials and plays a central role in many aspects of our life.