Uncertainty and noise are frequently-encountered obstacles in real-world applications of numerical optimization. The practice of optimization that deals with uncertainties and noise is commonly referred to as robust optimization.

From the very beginning, the Islam has known an oral tradition. It was only two hundred years ago that Muslims starting writing about the history of Islam, on rocks or other hard materials. Arabic epigraphy (study of inscriptions) turns out to be an essential tool in historical genealogy research. Abdullah…

Birmingham and Leiden, as cities and as seats of global universities, shaped and were shaped by, empire. Both institutions have started to reflect critically on this legacy.

It’s impossible to avoid, even in the Netherlands: the US will soon be going to the polls. Where does it come from, this fascination with US elections? PhD candidate Bram Eenink explains.

Leiden astronomer Anthony Brown is part of Nature’s 10: the ten people who mattered in science in 2018, according to the leading science journal. Working behind the scenes, Brown is the astronomer who coordinated the release of Gaia’s long-awaited bounty of Milky Way data.

The process of unification and the character of the union are the central topics of Magnanimous Dukes and Rising States. Robert Stein mirrors continuity and modernisation in Burgundian times with the bankruptcy of the former dynasties and the decline of feudal government. The powerful towns played an…

This volume was edited by Jeroen Duindam, Jill Harries, Caroline Humfress, and Nimrod Hurvitz.

In White Lies and Black Markets, Fatah-Black offers a new account of the colonization of Suriname—one of the major European plantation colonies on the Guiana Coast—in the period between 1650-1800.

The main topic of the book is the nature of inner aspect of the Verb Phrase, and the relation between the decompositional and the quantificational approaches to this problem.

Master's student Vicente Fischer de Miranda Rodrigues is the winner of the KHMW Brewer Thesis Prize for History. He was awarded the prize for his research on donatism.

A group of confidants including a former student of Meijers managed to avert his deportation to a death camp. In her lecture on 27 November, Cleveringa Professor Marjan Schwegman revealed the history of the persecution of the Jewish Professor Eduard Meijers.

Three new initiatives will provide a more diverse view of Leiden’s academic history, literally and figuratively: a historical study on the background of students and scientists, a new book about the Academy Building, and two new sculptures of female scientists, Ewine van Dishoek, Professor of Molecular…

In January 2020, Marja Spierenburg joined the FSW as the new Professor of Anthropology of Sustainability and Livelihoods. Let’s get to know her. ‘All my research is basically about nature conservation. I look at areas like national parks, but also at measures aimed at increasing the sustainability of…

The art installation by Peter van der Putten and Jeroen van der Most was selected from nearly 500 submissions for an exhibition on climate change.

First author Scott Waitukaitis and principal investigator Martin van Hecke have made the cover of Nature Physics with their publication on a newly discovered effect. The Elastic Leidenfrost effect explains why hydrogel balls jump around on a hot plate making high pitched sounds.

By documenting lexical and morpho-syntactic patterns among P’urhepecha speakers in Mexico and the US diaspora, this project will investigate the sources of language variation. The ensuing online dialect atlas will serve as an online resource for speakers, learners and researchers of the language.

How have British, Dutch, and German security services dealt with political violence and terrorism since the late 1960s; to what extent did they consider these new phenomena as a task and how have they developed activities in order to counter these security threats?

A Spanish translation of Herman Paul’s 'Key Issues in Historical Theory' has appeared under the title 'La llamada del pasado: claves de la teoría de la historia'.

Maritime conflict management is the regulation of conflict in relation to the sea. It comprises conflict enforcement, conflict resolution and conflict avoidance. How did victims of maritime conflicts claim and obtain damages or demand compensation or reparation?

Her part-time job as a city guide in Dordrecht opened Lotte Hamm's eyes: not business administration, but history was her dream study. This semester she starts her bachelor's degree.

Nienke Beets of the Leiden Hortus botanicus has won the brand new Joke 't Hart Prize for connecting nature and art. For the botanical garden in Leiden, she developed a series of colourful plant icons and an educational board game. On 20 May, the Dutch Association of Botanical Gardens (NVBT) unanimously…

Anyone who has taken a walk through the centre of Leiden before might have come across him, an attentive group of tourists gathered around. After studying history, Koen van Toen, or Koen Marijt, started his own business. He now organises historical walks, among other things.

In this project the already developed parcel based historical GIS (HISGIS) for the Dutch province of Friesland (Frisia) will be extended with a series of crucial datasets and map layers.

A discovery made in Leiden helps not only to make natural gas from CO2 but also to store renewable energy. Research by Professor Marc Koper and PhD student Jing Shen shows how this process can be implemented in a cost-effective and controllable way. Nature Communications, 2 september 2015.

From Galileo Galilei to Albert Einstein and from Anna Maria van Schurman to Anton de Kom: only a selection of the 25 authors who's books and ideas had extraordinary historical impact, in some cases even to this day. Leiden University Libraries and the National Museum of Antiquities jointly present the…

Given the accelerating appearance of antimicrobial resistance, there is an urgent need for more fundamental research into novel antibiotic strategies. The work in this thesis helps to address this global problem by developing new antibiotic compounds, inspired by the antibacterial mechanisms of the…

On 17 August 1945, two days after the Japanese surrender that also brought an end to the Second World War in Asia, Indonesia declared its independence. The declaration was not recognized by the Netherlands, which resorted to force in its attempt to take control of the inevitable process of decolonization.…

An interdisciplinary and innovative research group combining History, underwater archaeology, GIS and wood provenancing methods.

This book explores the links between maritime trading networks around Europe, from the Mediterranean and the Atlantic to the North and Baltic Seas.

Dionysius of Halicarnassus and Augustan Rome: Greek culture in the Roman world.

This book argues that the combined literary, epigraphic and archaeological evidence supports the theory that early-imperial Italy had about six million inhabitants.

Barbarism: from the 18th century to the present.

This book investigates how the rulers of the Habsburg world empire developed and implemented a central maritime policy for the Netherlands and appointed an admiral of the sea or admiral-general for that purpose.

The Effects of the 1881 Liquor Act on the Leiden Alcohol Trade

Diplomatica addresses the broad range of work being done across the social sciences and the humanities that takes diplomacy as its focus of investigation. The journal explores and investigates diplomacy as an extension of social interests, forces, and environments.

How have British cities changed in the years since the Second World War? And what drove this transformation? This innovative new history traces the development of the post-war British city, from the 1940s era of reconstruction, through the rise and fall of modernist urban renewal, up to the present-day…

When we think of the history of Dutch slavery, the areas that spring to mind are primarily the Antilles and Suriname. However, until the end of the eighteenth century there were also Dutch plantation colonies in neighbouring Guyana. Bram Hoonhout’s book ‘Borderless Empire’ describes this forgotten h…

This book provides an overview of critical scholarly reflections on the history of Dutch slavery and colonization, as well as how this translates into critical cultural practices.

This book examines the critical role of information and knowledge in early modern Europe's global pursuits, exploring challenges in trusting distant information, the development of doubt in intercultural encounters, and the impact of misinformation.

How can you learn about women’s history if they are under-represented in historical sources? Look at news coverage of crime, says Clare Wilkinson, PhD candidate in gender and history. ‘Historical crime reporting offers a glimpse into forgotten groups.’ The doctoral defence will take place on 23 Apri…

This book on Alba is edited by Maurits Ebben, Margriet Lacy-Bruijn and Rolof van Hövell tot Westerflier. Each of its fifteen chapters are dedicated to developing a new understanding of a sometimes misunderstood figure in European history.

Dark matter represents around eighty per cent of the total mass in the Universe. Yet, we still don't really know what it's made of. Astronomer Pavel Mancera Piña is looking for answers. With a Veni grant from NWO and the most advanced telescopes, such as the James Webb Space Telescope, he will investigate…

What hidden nature is there in our cities and how can we use such organisms? This is what the HiddenBiodiversity project will be exploring over the next four years. The project’s kick-off meeting was held at the Hortus botanicus on Monday 26 September.