This thesis has three main parts. The first part gives an algorithm to compute Hilbert modular polynomials for ordinary abelian varieties with maximal real multiplication. Hilbert modular polynomials of a given level b give a way of finding all of the abelian varieties that are b-isogeneous to any given…

The thesis describes the development, synthesis and biological evaluation of several proteasome inhibitor designs. Mainly, this work focusses on designing proteasome inhibitors that selectively inhibit the immunoproteasome, while leaving the constitutive proteasome mostly, if not completely, untouch…

Promotor: H.S. Overkleeft, Co-Promotor: B.I. Florea

In the MS Cognitietour, psychologists and neuroscientists from Leiden University discuss the latest scientific knowledge with MS patients and their loved ones. This leads to insights: 'One lady told how much stress she felt from all those caregivers around her bed.'

Researchers from the Institute of Psychology have secured NWO Open Competition XS grants, each worth up to €50,000. One of the projects explores how making music together can enhance cooperation. Discover more about all five research projects.

Arteriosclerosis bears great similarities to autoimmune diseases. Researchers from Leiden University show this in a new study they published in the renowned scientific journal Nature Cardiovascular Research. 'This discovery suggests that treatment methods for autoimmune diseases might also be effective…

Prof. Hanneke Hulst has been appointed Scientific Director of the Institute of Psychology by the Board of the Faculty of Social and Behavioural Sciences. She will start on 1 February 2024 for a period of 3 years, succeeding Andrea Evers and interim director Serge Rombouts.

Eduard Fosch-Villaronga, Associate Professor at eLaw, contributed to 'Cyber–Physical–Human Systems', a book exploring the latest developments in interactions between cyber–physical systems and humans.

The functionality to log in to multiple services has been fully restored after a brief interruption.

Sixteen researchers at Leiden University have received a Veni award from the Netherlands Organisation for Academic Research (NWO). This award offers promising young researchers the opportunity to further develop their ideas for a period of three years.

This research area is focused on the development and application of novel concepts and models in the emerging area of quantitative systems pharmacology (QSP).

Computer scientists from Leiden University and the University of Münster describe a new theoretical starting point for approaching difficult optimization problems. They can take into account several criteria simultaneously, instead of just one at a time.

Sugar excipients, needed to stabilize medicines, can be unsafe for patients due to an impurity discovered recently by Daniel Weinbuch. ‘The biopharmaceutical industry should now consider new excipient quality criteria for safer drug development,’ he says. PhD defence on 13 December.

The Leiden Academic Centre for Drug Research (LACDR) received no less than three awards during the Figon Dutch Medicine Days. Bas Goulooze won the PhD Prize for best PhD candidate, Natalia Ortiz Zacarías and Huub Sijben both received a poster prize. ‘Scientists must be able to communicate their research…

Disk formation around stars is an important factor in determining whether one or multiple stars evolve. But the big picture of star formation is still far from complete, says PhD researcher Nadia Murillo.

As many as seven first-year students from the Faculty of Science were honoured as young talents. In addition, the Royal Holland Society of Sciences and Humanities (KHMW) also lauded three master's students and an astronomy project during a vibrant ceremony on 28 November. Professor of Science Communication…

Promotores: P. Stevenhagen, A. Enge Co-Promotor: T.C. Streng

To an algebraic curve C over the complex numbers one can associate a non-negative integer g, the genus, as a measure of its complexity.

Professor Emeritus by special appointment Adriaan van der Weel has co-authored a manifesto on the importance of higher-reading.

Lucia Langerak was awarded a Master’s degree in Egyptology with cum laude honours in 2018. Her bachelor’s degree was also with cum laude honours. ‘I’m an exceptional Egyptologist, if only because I’ve never been to Egypt.’ She is now the coordinator of the Access & Support Platform at the University…

Various consortia in which Leiden University is represented are beginning interdisciplinary research, which will bring scientific and societal breakthroughs within reach. Knowledge institutions, government and private parties are working closely together on the projects.

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…

During this semester, the University of Vienna offers the 19th lecture series on Gender Studies. On 21 November 2017, Christa Tobler, Professor of European Law at the Universities of Basel (Switzerland) and Leiden, gave a lecture on the subject of multiple discrimination, including also sex.

The research conducted at the Health, Medical and Neuropsychology unit investigates the psychological factors of health and disease, which allows for the development of innovative treatments.

The Netherlands Organisation of Scientific Research has honored the application of Prof. Harry Fokkens for the research project entitled

Leiden's iGEM team has won high honours at the Grand Jamboree in Paris. The biology students came second in the Overgraduate category with their project PHAse Out. They also took home awards for Best Biomanufacturing Project, Best Wiki and Best Entrepreneurship as well as a Gold Medal. To top it all…

Hybrid Workshop: In person and online on 26 – 27 January 2023.

How can we make studying easier for students with a functional disability? This will be the key question during a public conference on 20 April. Romke Biagioni (Fenestra) explains why there is such a need for this conference. Are you going to be there?

In the third round of the NWO Open Competition SGW-XS pilot program, development psychologist Anke Klein and neuropsychologist Marit Ruitenberg each received a NWO XS grant for their research proposals. These grants are awarded to research projects with a promising ideas or innovative initiatives. Previously…

Since 2008 every half a year an SBB student starts with an internship for Merck Serono Ventures in Geneva. Head of the company Roel Bulthuis selects and works with the SBB interns and shares his experiences as an employer. He is very pleased.

Yesterday marked the start of the National Accessibility Week. How accessible is Leiden University for people with a disability? We asked Lucia Langerak, disabled herself and working at the Honours Academy, about her experiences: ‘Significant improvements are being made.’

Older people are often approached from the perspective of their limitations when there is often much they still can and want to do. According to Professor Tineke Abma, art is a good way to continue to participate.

A combination of two potential drugs gives hope of a 'super blockage' of an over-active immune system, Leiden researchers report in Nature. The breakthrough came from the crystallisation of a membrane protein.

Hanneke Hulst explaines how she is trying to bridge the gap between science and health care. ‘For a neuroscientist to actually contribute to solutions for patients, you have to work across disciplines.’

Bringing together institutes and research groups, how do you do that? The Faculty of Science set up a joint research theme and financed three PhD positions. After four years, the profiling programme Endocannabinoids expires. ‘It really brought us together, and the collaborations remain.’

Researchers at the Faculty of Science work at the frontiers of knowledge every day, tackling today’s major societal challenges. Their work is recognised through grants, prizes and other awards. We highlight some of these achievements below.

Assistant professor Joost Willemse firmly believes that as a teacher, you’re never done learning. ‘Students ask questions about things you’ve never thought of yourself. Ultimately, that makes you better at your job.’ That’s why he always encourages his students to ask questions. And it’s appreciated:…

Promotor: Prof.dr. T. Hankemeier, Co-promotor: R.J. Vreeken

Promotor: Prof.dr. S.F. Portegies Zwart

In tracing intra-site, local and regional craft networks in Late Bronze Age Tiryns (Greece) the project aimed to understand technological changes, (dis)continuities and social practices from the Late Palatial until the Post Palatial periods in Mycenaean Greece.

How is social cognition shaped by our knowledge of language and stories?

Hanneke Hulst has held the new Leiden chair in Neuropsychology in Health and Disease since 1 September. From 1 January she will also be chair of the Health, Medical and Neuropsychology (HMN) unit. ‘HMN is my new base. I’m curious to find out about the people who work here, what they do and what motivates…

What is it like to participate in the Erasmus+ grant programme as a Master's student from Ukraine? Yevhenii Radchenko did an eight-month internship at Leiden University in 2018. Soon after, he returned as a PhD candidate. 'You have little to lose, but a lot to gain.'

Promotoren: R. Tijdeman, A.K. Lenstra, Co-promotor: H.J.J. te Riele

Lecture

A recent study on reintroduced tigers in Panna Tiger Reserve in India reveals that risks from tigers increased more because of human behaviour and people's livestock husbandry practices.

This thesis investigates the processing of words written in Japanese kanji and Chinese hànzì, i.e. logographic scripts.

Let A be a commutative algebraic group over a field K, and let G be a finitely generated subgroup of the K-rational points of A. The purpose of this thesis is to study the degrees of the Kummer extensions relative to A,K and G.