An algorithm is discussed to compute the exponential representation of principal units in a finite extension field F of the p-adic rationals.

What is the origin of educational ideas, e.g., the idea that intervention in infancy has long-lasting effects on development.

The archaeology of Afro-Eurasian networks across land and sea (1st millennium CE)

The relevance of intentionality to the interpretation of Aristotle was first suggested by Brentano in his Psychology from an Empirical Standpoint. Here we take our starting point from Brentano and investigate how Brentano’s concept of intentionality is rooted in Aristotle.

Lecture

From the formative period of Islam to the contemporary world, Muslims have negotiated changing modalities of being Muslim.

From 1 August 2018, Alanna O'Malley was appointed as Chair of United Nations Studies in Peace and Justice, focusing on the ‘lesser-known actors’ of the UN: women, the youth, the agents of informal diplomatic networks within the UN and actors from the Global South. This Special Chair has been created…

In the new Annual Report 2020 we report on not only the research and teaching, but also the knowledge transfer, operational management and general policy at Leiden University in 2020. The report is divided into a general section and a section with the figures, i.e. the university’s financial stateme…

The main aim of this project is to investigate the various ways in which language categorizes possession, how these are morphosyntactically encoded across and within languages, and how this distinction should be represented in a model of the language faculty.

Cynthia van Vonno, political scientist at Leiden University, explains why individual MPs vote according to the party group line.

Dutch people are proud of the fact that genever, their national drink, was the prototype for gin, the now so fashionable British spirit. And Leiden people are proud of their Professor Sylvius, who invented genever in the seventeenth century. But is this really true?

A new microtonal approach of the bass clarinet, to further develope the instrument’s capability to produce not only exact quartertones, but also smaller units.

By growing in a soil plants change the biotic and abiotic properties of the soil in which they grow.

The subject of this thesis is Alverata, a twenty-first-century typeface whose design was inspired by the shapes of Romanesque capitals such as those found in inscriptions of the eleventh and twelfth centuries.

On 8 February Jan Michiel Otto, professor of Law and Governance in Developing Countries, delivered the dies lecture entitled: 'Unity in diversity. The topicality of professor C. van Vollenhoven'. Otto emphasized - following Van Vollenhoven - the importance of scope and respect for the public sphere…

What are the historical roots of the indivisibility of pledge and hypothec?

The exhibition Unity and Diversity in the Amerindian Caribbean: The El Cabo San Rafael Archaeological Site has been officially opened by Prof. dr. Corinne Hofman on Tuesday evening in Santo Domingo.

Central elements in the research activities of all programme group members are: attachment, sensitive caregiving, and prevention and intervention.

PhD Defence

In tracing the deeper historical roots of what Xi Jinping contemporarily frames as a “Chinese dream” of “wealth and power,” the article discerns key actors, events, and organizing principles in a long process toward restoring China’s deemed rightful place in the regional system.

Two bacterial species team up inside the plant root system to rescue their host from fungal infection. This was discovered by a team of microbiologists and bioinformaticians from the Netherlands Institute of Ecology, Wageningen University, and the Institute of Biology Leiden. They also identified the…

The Grotius Centre for International Legal Studies in collaboration with the University of Geneva, the Chinese Journal of International Law (ChineseJIL, OUP) and the European Society of International Law (ESIL), are pleased to invite public international scholars and researchers to attend a conference…

The chief aim of this study is to explore how classical Persian poetry and the Persian mysticism that is interwoven with the poetry have been used in the new politics of the Islamic Republic of Iran, especially during the Iran-Iraq war.

Professors Jos Raaijmakers (NIOO) and Gilles Van Wezel (IBL) received an STW Perspectief- grant of €3 million from the Dutch Technology Foundation and several supporting companies.

In what way is constructivist logic able to account for both the role of the judging agent in inference and the universal claims of logical validity?

Which microorganisms live near and inside plant roots? How do they contribute to plant health? Can microorganisms be employed in plant protection?

How do plants lure microscopically small 'support teams' into their roots for protection against diseases? And what functions are activated in the microbes and the plants?

Bas Verberk defended his thesis on 6 September 2016

This book provides a long-term historical analysis, exploring the roots of the low levels of corruption existing in Chile, going back to the 16th century and examining Chile’s institutional evolution until today.

The ethics of ghosts, spectres, and mediums in postcolonial literature

In the spirit of 'unity in diversity', our objective is to promote insight into and appreciation for the wonder that the same physical laws and mathematical concepts apply to the whole of nature, from the largest to the smallest energy and length scales. We strive for the application of abstract theoretical…

Throughout history, a large portion of the world's population has lived under imperial rule. Although scholars do not always agree on when and where the roots of imperialism lie, most would agree that imperial configurations have affected human history so profoundly that the legacy of ancient empires…

Are you interested in the neurocognitive and biological roots of learning, behaviour and emotions in children? If so, the programme in Applied Neuroscience in Human Development might be the specialisation you are looking for.

Promotor: C.J. ten Cate

This anthology contributes to a historically grounded understanding of the complex relationship between Christian missions and the roots of humanitarianism and its contemporary uses in a Middle Eastern context.

Circulating in Brazil's social media today are many vicious attacks against presidential candidate Luiz Inácio Lula da Silva, known simply as Lula. Widely and enthusiastically shared memes humiliate Lula by depicting him as a poor, uneducated drunkard who deserves to be in jail, thus criminalizing his…

Providing a valuable overview of regionalism throughout the entire continent, Regionalism in Modern Europe combines both geographical and thematic approaches to examine the origins and development of regional movements and identities in Europe from 1890 to the present.

This new article by Monica Kaminska is part of a special issue for Journal of Cybersecurity, based on a selection of contributions from THe Hague Program for Cyber Norms' 2019 Conference.

Promotor: Prof.dr. P. Stevenhagen, Co-Promotor: Dr. J.H. Evertse

Promotor: Prof.dr. P. Stevenhagen, Co-promotor: Prof. dr. B. de Smit

Lecture, Louwe Kooijmans lecture

Arab Identity and the Rise of Islam

Play and Media is one of the six research themes of the LUCAS Modern and Contemporary cluster.

Are you interested in the neurocognitive and biological roots of learning, behaviour and emotions in children? If so, the programme in Applied Neuroscience in Human Development might be the specialisation you are looking for.

‘Archeologists don’t dig up explanations, let alone certainties,’ says Joanita Vroom, Professor of Archaeology of Medieval and Early Modern Eurasia. ‘Their job is to bridge the gap between the sherds that they find and people’s everyday lives. What do ceramics from the past say about people’s eating…

The Institute for Philosophy at Leiden University is host to the NWO programme,

Are UN sanctions regimes in need of further formalization in terms of substantive design, procedural architecture and with a view to regulating and governing the interplay with other regimes?

European integration is under pressure. At the same time, the notion of a European administrative space is being explicitly voiced. But does a shared idea of the public servant exist in Europe?

In which way was literary celebrity constructed in the nineteenth century and what forms of fandom were there?