585 search results for “number theory” in the Public website
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These kind of words: number agreement in the species noun phrase in International Academic English
PhD defence
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Jan Vonk appointed full professor of Mathematics at the Mathematical Institute
As of 1 November, Jan Vonk has been appointed full professor of Mathematics at the Mathematical Institute (MI). The institute is delighted with Jan’s appointment, as is he. ‘At the MI we combine the abstract with the concrete like no other.’
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Towards a functionalist theory of language contact. With special reference to Romani, and with implications for the architecture of the language
Lecture, Summer School evening lectures
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CCLS Seminar
Lecture, seminar
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Four Leiden consortia awarded large NWO grants
No less than four Leiden research teams have been awarded a grant by NWO. On 27 July NWO honoured 21 applications in the Open Competition ENW-XL. NWO awards the grants to consortia in the exact and natural sciences who are doing unconnected fundamental research that is 'driven by curiosity'.
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electrode-electrolyte interface - Double-layer capacitance, Solvation number, Validation
Lecture
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Random walks: wandering the streets like a group of drunk students
Mathematician Oliver Nagy still vividly remembers the first time he learned about a random walk. ‘The lecturer told us to imagine a company of drunken students who wander in the streets. At each intersection, they would spin one of them around and all would go in the direction where he or she came to…
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In Memoriam - Bas Edixhoven
On January 16, 2022, our respected and beloved colleague Prof. dr. Bas Edixhoven passed away after a short period of serious illness.
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Six Leiden researchers receive ERC Starting Grant
Six researchers from Leiden University have received an ERC starting grant. This grant of on average 1.5m euros will enable the researchers to launch their own project, form their own research team and develop their best ideas.
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ALGANT graduates reflect on their study in Leiden
More than twenty students were awarded an ALGANT diploma, the prestigious two-year master's in Algebraic Geometry and Number Theory from the Mathematical Institute of eight collaborative Universities on July 18th. At the graduation ceremony in Padua, Italy, five students who had spent their second year…
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Andreas Greven is the Kloosterman Professor 2020
German mathematician Andreas Greven is the Kloosterman Professor 2020 at the Mathematical Institute in Leiden. He held the Kloosterman Lecture on 6 February and will give three more in-depth lectures in the weeks after that. ‘I’m really looking forward to this month.’
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Léo Ducas appointed professor of Mathematical Cryptology
In cryptography, the sky is the limit according to the new professor Mathematical Cryptology Léo Ducas. He already designed several cryptosystems as part of his research at the Centrum Wiskunde & Informatica (CWI), some of which might soon be adopted as new international standards. Since December,…
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What do maths and blood clots have to do with each other?
Mathematics can help predict thrombosis. Mathematician Mark Alber has developed models that even aid in suggesting treatments. In the Kloosterman lecture on 27 June, he will explain how this works.
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Twenty years of international mathematics master at Leiden
Mathematicians from Bordeaux, Leiden and Padua have been working together for 20 years. In 2004, they started a two-year mathematics master's degree in Algebra, Number Theory and Geometry (Algant). They celebrated the 20th anniversary of this consortium at the Algant graduation ceremony in Leiden.
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Introducing: prof. Scott Nelson
Introducing prof. Scott Nelson, the Legum Professor of the Social Sciences at William and Mary, and on the spring exchange at the University of Leiden.
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Mathematics across borders: Peter Stevenhagen in Pakistan
Peter Stevenhagen delivered daily lectures at the Syed Babar Ali School of Science and Engineering in Lahore, in collaboration with ICTP, a well-known UNESCO institute in Trieste. The aim is to enhance it he knowledge of students from low- and middle-income countries. ‘By teaching here, I can truly…
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Vidi grants for 12 researchers from Leiden University
An impressive 12 researchers from Leiden University have been awarded an 800,000-euro grant by the Dutch Research Council (NWO). This will enable them to develop their own line of research over the next five years.
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How to make cryptographic techniques more efficient?
Sharing scientific data, transferring money, or sending other sensitive information online: with cryptography, applications make sure your data does not fall into the wrong hands. Mathematician Thomas Attema (CWI/TNO/Leiden University) helps with this. For his PhD research, he developed a new technique…
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Discoverer of the Year bridges science and medicine
Fascinated by science since high school, Alireza Mashaghi Tabari is driven to explore new ways of thinking in medicine. With a strong academic network, he educates students and gives public lectures. For his research at LACDR, he won the C.J. Kok Public Award 2018, making him the Faculty of Science's…
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Honouring a mathematical legacy: Edixhoven fellow tries to understand millennia-old problems
Not all problems are easy to solve, but with enough bright minds, you make progress step by step. ‘The kind of problems I am interested in have been occupying mathematicians for over two millennia,’ says theoretical mathematician David Lilienfeldt. In September, he started at the Mathematical Institute…
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A rapidly developing international friendship
Staff and student mobility, a cooperative education programme and the possibility of a joint research center in artificial intelligence and data science. A delegation from Chinese partner XJTU paid a fruitful visit to the Faculty of Science in the last week of October.
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Mathematics student Lars Pos wins Robbert Dijkgraaf Essay Prize: 'Discoveries find their application in the most unexpected places'
With his essay 'Why science?', mathematics prodigy Lars Pos (18) won the Robbert Dijkgraaf Essay Prize. Within the theme 'The fascinating workings of science', the bachelor student wrote a plea for the societal value of fundamental scientific research. 'Because you don’t know beforehand where we can…
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European master's in maths
More than twenty international students have received an ALGANT diploma, the master's in Algebraic Geometry and Number Theory from the Mathematical Institute, in collaboration with other European universities. Anti-bureaucratic creativity was needed to align all the rules with those Brussels.
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Leiden quantum technology research very successful in funding call
No less than six Leiden projects received a grant for quantum research from the national growth programme Quantum Delta NL and the NWO. After all, in order to boost quantum technology not only industry is needed, but also science. Research towards new sensors, faster algorithms and quantum materials,…
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Alignment in Eastern Neo-Aramaic Languages from a Typological Perspective
On October 31st, Paul Noorlander succesfully defended his doctoral thesis and graduated. The Leiden University Centre for Linguistics congratulates Paul on this great result.
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Programme structure
Learn how to conduct policy-oriented research, join one of our field schools and gain relevant working experience.
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Programme structure
In the master's specialisation Global Ethnography, will follow several courses that aim to make your research project as successful as possible. From writing an academic research proposal to the complex task of writing up data once you return from the field. Each student also receives individual supervision…
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ALGANT Graduation and 20th Anniversary Ceremony
Conference
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Alessandra Silvestri wins Vidi for understanding the universe
Alessandra Silvestri, a cosmologist at the Leiden Institute of Physics (LION), has been awarded an NWO Vidi grant for understanding the expanding universe. A growing number of theories explain why the expansion of the universe is accelerating, while more and more relevant observational data is pouring…
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Poetry, rhythm, and meter
Knowledge and culture subproject 4:
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Kloosterman lecture 2024
Lecture
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Laboratories for Digital Archaeology
The Digital Archaeology research group manages two computer laboratories with different purposes: the teaching lab (F1.01) and the research lab (A1.13a).
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About the programme
The two-year Foundations of Computing programme (120 EC) includes mandatory core courses and electives, as well as a Master's Thesis Research Project.
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Studying Human Origins
Disciplinary History and Epistemology
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Shtuka cohomology and special values of Goss L-functions
Assuming everywhere good reduction we generalize the class number formula of Taelman to Drinfeld modules over arbitrary coefficient rings.
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World War II
In 1940 the Germany occupiers ordered the dismissal of all Jewish staff of the university. This resulted in protest speeches by fellow academics.
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Sterile neutrinos in the early Universe
Promotor: A. Achúcarro, Co-promotor: A. Boyarsky
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Humour and Irony in Dutch Post-war Fiction Film, Peter Verstraten
If Dutch cinema is examined in academic studies, the focus is usually on pre-war films or on documentaries, but the post-war fiction film has been sporadically addressed.
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Public lecture: On the Diversity and the Formation of Creole Languages
Lecture
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John Mydosh and the mystery of the Hidden Order
A 35-year-old uranium crystal will not disclose its secret: what causes a dramatic phase transition at 17.5 Kelvin? Thanks to a new artificial intelligence approach, half of the possible explanations are excluded, but the definitive answer remains to be found. 'It is very frustrating', says physicist…
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Fall of Misinformation Series: Suzan Verberne
Misinformation spreads easily and fast. It gets presented as news, whereas actual news gets dismissed as fake. Conflicting streams of information allows all sides to cherry-pick whatever is most comfortable, boosting degrees of confidence and confusing the deliberation of both politicians and voters.…
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Private active cyber defense and (international) cyber security—pushing the line?
This article on private active cyber defense by Dennis Broeders is part of a special issue of the Journal of Cybersecurity, based on a selection of contributions taken from the 2019 Conference on Cyber Norms organized by The Hague Program for Cyber Norms.
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Philosophy (MA) (120EC)
The two-year master’s programme in Philosophy at Leiden University investigates the fundamental principles underpinning human knowledge while cultivating your capacity for reason and sound argumentation.
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Automata-theoretic protocol programming
Promotor: F. Arbab
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Tuition fees
Your tuition fee depends on a number of factors, such as your nationality and your previous Dutch higher-education qualifications.
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Light manipulated with large artificial atom
Physicists have manipulated light with large artificial atoms, so-called quantum dots. Before, this has only been done so well with actual atoms. It is an important step towards light-based quantum technology. Publication on August 30th in Nature Communications.
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MOOC: ‘Federalism & Decentralisation: Evaluating Africa’s Track Record’
What is federalism; what are the implications of decentralisation? Do federalism and decentralisation contribute to democratisation, governance, and diversity? Virtually all African countries south of the Sahara are now either federal or decentralised—but how do their systems of governance perform?…
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Book publication: The Auditory Setting Environmental Sounds in Film and Media Arts
We are excited to announce the book publication of our alumnus Dr. Budhaditya Chattopadhyay: The Auditory Setting Environmental Sounds in Film and Media Arts.
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Guide for prospective students
If you are interested in studying stochastics, the following information will help you to choose the right path.
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Research
The Faculty of Social and Behavioural Sciences brings together high-quality research and outstanding mono- and multidisciplinary teaching.