At LIACS, we recognize the growing need for advanced technical support in research projects and lab education. Increasing student numbers, more and more advanced hardware and infrastructure, new demands around data safety and management, and the complexity of core computer science courses necessitate…

The Microscopy Unit houses, maintains and coordinates most of the microscopy equipment of the IBL. The available equipment ranges from conventional light and fluorescence microscopes, to confocal laser scanning and electron microscopes. In addition, infrastructure is available for histology, including…

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There is a need for alternative methods to replace, reduce and refine (3R) animal experimentation. Combining experimental data from high-throughput in vitro studies with in silico modeling is a promising approach to unravel the effect of chemicals on living cells and to gain a better understanding of…

Discover the power of interdisciplinary AI research at Leiden University's SAILS Initiative through this bi-weekly seminar. The SAILS network of AI experts spans all seven faculties: Law, Science, Archaeology, Social Sciences, Humanities, Governance and Global Affairs, and the Leiden University Medical…

Working for a top faculty? Discover the vacancies at the Faculty of Science and apply immediately.

There are a number of different people in the Faculty of Humanities who deal with aspects of diversity and inclusion. This web page has been developed to make it easier to find the contact details for the right person for you.

Projects within the theme ‘Computational Biology’ aim to employ mathematical or computational dynamical modelling approaches to discover novel concepts that are important for drug development.

The profile area Political Legitimacy brings together researchers from multiple research institutes within Leiden University.

Promotor: S.J. Edixhoven, Co-promotor: K.J. Batenburg

This research team is concerned with the measurement and modelling of behaviour, cognition, and unobserved traits (e.g., latent variables, missing data). Central aims include the distillation of a complex set of features into lower-dimensional representations (e.g., factor analysis, IRT), determining…

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In this thesis, topics relating to the optimization of high-throughput pipelines used for imaging are discussed. In particular, different levels of implementation, i.e., conceptual, software, and hardware, are discussed and the thesis outlines how advances on each level need to be made to make gains…

NESA offers a one-year teaching and training programme especially for upcoming and all first year PhD candidates, consisting of 5 masterclasses on current and trending theoretical debates in our discipline, an extensive methodology training and occasionally a cohort meeting off campus.

The deans (chairs of the faculty boards) form the Board of Deans, which is chaired by the Rector Magnificus.

Two documents mark the birth of Leiden University.

Leading computer scientists from a variety of fields share their expertise and insights. Dive into the minds of these researchers and learn about real-world applications, the future of AI and related technologies and cutting-edge research. From chatbots to cybersecurity, from quantum to children's stories,…

The Leiden Lectures in Media | Art | Politics (MAP) is a series of talks organized by Pepita Hesselberth and Yasco Horsman. Speakers from various academic backgrounds and in different stages of their careers reflect on diverging ways in which technological and social changes challenge and transform…

There are several committees within the IBL that are crucial for organizing and coordinating research, education and finances. Among the lesser-known of these committees is the IBL Institute Council (IC or Instituutsraad, IR). The purpose of the IC is to serve as a link between IBL members and management…

The eleven innovative essays in this volume explore the notion that all forms of modern mass politics, including liberal democracies, need such a form of sacralization of politics to function.

With tomography it is possible to reconstruct the interior of an object without destroying.

Epithelial-mesenchymal plasticity (EMP) and tumor cell migration play an important role in cancer progression, and an improved understanding of the mechanisms underlying these concepts is essential for developing new targeted approaches.

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

We present an extensive study of methods for exactly solving stochastic constraint (optimisation) problems (SCPs) in network analysis. These problems are prevalent in science, governance and industry.

Promotor: Prof.dr. K.J. Batenburg

The land question had a crucial formative influence on Mayo politics in the decades before the First World War and this book shows the part played by many prominent nationalist figures such as Davitt, O’Brien, Dillon and MacBride in shaping the political landscape in Mayo.

Agricultural foods naturally vary in their detailed internal structure. To facilitate early detection of health hazards due to contamination or disease, predict maturity and minimize wastage, it is critical to take into account the internal characteristics of each individual product, as these enable…

The research in this thesis is focused on tomographic reconstruction based on two imaging modalities in electron microscopy.

Visualizing the internal structure is a crucial step in acquiring knowledge about the origin, state, and composition of cultural heritage artifacts. Among the most powerful techniques for exposing the interior of cultural heritage objects is computed tomography (CT), a technique that computationally…

Welcome to the PhD Portal of LIACS! Below you find information on the PhD coordinator, the PQRS programme, and the PhD coach

This collection of essays is the first to compare the emergence and development of these different types of regional identities.

This is a yearly event where we move in one week from the physics of light through the composition of the microscope, fluorescence microscopy and end up with some image analysis All the lectures are backed by practicals to really put your obtained knowledge into practice

Tomography is a powerful technique to non-destructively determine the interior structure of an object.Usually, a series of projection images (e.g.\ X-ray images) is acquired from a range of different positions.

Radiography is an important technique to inspect objects, with applications in airports and hospitals. X-ray imaging is also essential in industry, for instance in food safety checks for the presence of foreign objects.

Biospirits is the staff association for all employees and guest-employees of the IBL.

Promotor: K.J. Batenburg

Inverse problems are problems where we want to estimate the values of certain parameters of a system given observations of the system. Such problems occur in several areas of science and engineering. Inverse problems are often ill-posed, which means that the observations of the system do not uniquely…

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The staff members of the Methodology & Statistics unit are members of various boards and committees.

The representation of death children in Dutch literature through time

Promotores: K.J. Batenburg, B. Koren

Image segmentation is a fundamental task in computer vision, with applications ranging from medical diagnostics to archaeological research.

Guest lecture

Engineering an efficient microbial enzymatic polyethylene degradation pathway via an innovative combination of biochemistry and computational biology tools for enzyme discovery and characterization.

The research project ‘The History of National Security, 1945-present', is funded by the Netherlands Organisation for Scientific Research (NWO), the Campus The Hague/Leiden University and the Netherlands Institute for Military History (NIMH). The project will run until the summer of 2013, when we hope…

Sub-Saharan Africa has seen a significant rise in terrorist acts and radicalized youth since the appearance of Boko Haram in 2009 and the fall of Libya in 2012. This book investigates the deeper layers of radicalization in Sub-Saharan Africa, which is situated in a larger global tendency.