585 search results for “number theory” in the Public website
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Steady-State Analysis of Large Scale Systems
Promotor: W.Th.F. den Hollander Co-Promotor: F.M. Spieksma
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Dialogues as a Dynamic Framework for Logic
This dissertation shows that dialogical logic constitutes a powerful and flexible general framework for the development and study of various logical formalisms and combinations thereof.
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ALGANT
Fundamental research in the ALgebra, Geometry And Number Theory
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Rule Reversal Revisited: Synchrony and diachrony of tone and prosodic structure in the Franconian dialect of Arzbach
This dissertation provides crucial but as yet missing empirical data on the tone accent opposition in the so-called
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Interstellar Catalysts and the PAH universe
Organic molecules in interstellar space are important as they influence the structure of galaxies and star formations. Studying catalytic processes in space allows us to understand how molecular species are formed and chemically evolved in the interstellar medium and solar system objects.
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Summer school on extremism gives insight into theory and practice
Every summer, Leiden University is the setting of dozens of summer schools in which professionals and students can receive extra training on a specific topic within a short space of time. We took a look at a summer programme on extremism. ‘A recruiter for al-Qaeda said that I could change the world.…
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Theory in Practice: researching race in the Dutch legal archive
On Thursday 23 November, Professor Betty de Hart delivered the lecture ‘Exploring the Legal Archive on Race: Methodological Challenges’ as part of the lecture series ‘Reconsidering the Socio-Legal Gaze’ organized by the Van Vollenhoven Institute. Over 40 people attended the lecture, held online due…
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Resource allocation in networks via coalitional games
Promotor: F. Arbab, R. De Nicola, Co-Promotor: M. Tribastone
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Computational electrocatalysis
This dissertation focused on computational methods based on first principles calculations using the Density Functional Theory (DFT) framework. Emphasis was laid on affordable methods that can provide a tradeoff between computational expense and accuracy.
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Effects of heavy fields on inflationary cosmology
Promotor: Prof.dr. A. Achucarro, Co-Promotor: J.W. van Holten
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Positive representations on ordered Banach spaces
Promotor: A. Doelman, Co-promotor: M.F.E. de Jeu
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Our genome captured in numbers
‘It's where disciplines intersect that the most exciting scientific questions arise.' This was the message given by John van Noort, Professor of Biophysics, in his inaugural lecture. His own research is at the interface between biology and physics. Inaugural lecture 23 April.
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Hunting for new physics in the primordial Universe
This thesis contributes to studying primordial cosmology theories and their detectability in future observations.
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Jelle van Buuren discusses the Problem with Conspiracy Theories and a QAnon Ban on VICE
Jelle van Buuren, Assistant Professor at the Institute of Security and Global Affairs, appeared as guest on VICE to discuss the usefulness of recent ban on QAnon.
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tells in Podcast #19 of Wetenschap.nu about conspiracy thinkers and theories
Jelle van Buuren, Assistant Professor at the Institute of Security and Global Affairs at Leiden University, can be heard in the latest Podcast of Wetenschap.nu.
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Why Leiden University?
The Algebra, Geometry and Number Theory specialisation gives you profound knowledge of pure mathematics. The focus is on both fundamental mathematics and on applications in other sciences, society and industry. During your master’s you will be part of one of the multidisciplinary research teams at the…
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About the programme
The master’s programme offers two research-oriented specialisations where you can focus on Algebra, Geometry and Number Theory or Applied Mathematics. You can also combine Mathematics with education, management or science communication.
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AGNT seminar
Within the Mathematical Institute, the Algebra, Geometry and Number Theory research group organises a seminar.
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Peter Grünwald develops a revolutionary statistical theory with an ERC Advanced Grant
Using mathematics to determine whether scientific results are significant or not. Peter Grünwald, full professor of Statistical Learning at the Mathematical Institute (MI) and senior researcher in the Machine Learning group of Centrum Wiskunde & Informatica (CWI), has been awarded an ERC Advanced Grant…
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Career prospects
The Algebra, Geometry and Number Theory specialisation is the excellent preparation for a career in research. It is a suitable stepping stone for pursuing a PhD degree. The degree also gives you access to job opportunities outside academia.
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China
This is an Erasmus+ International Credit Mobility project of the Faculty of Science with Sichuan University in Chengdu.
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Patterns in natural systems
Promotor: A. Doelman, Co-promotores: P.J.A. van Heijster; A. Zagaris
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Pellikaan & Van Willigen, Bilateralism and Nuclear Security
Political scientists Huib Pellikaan and Niels van Willigen (Leiden University) use and elaborate on the theoretical insights from game theory in order to understand nuclear security in changing environment. Now that the relations between the US and Russia have deteriorated and smaller nuclear states…
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Final meeting The Hague Southwest Thesis Project: practice and theory come together
During the final meeting of the Thesis Project on 10 February at 'Pand Zuidwest' in The Hague, several students presented their theses. Students from different disciplines conduct research on formulated practice-oriented challenges in The Hague South-West. 'The Thesis Project provides a connection between…
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Book: Edwin Bakker - Terrorism and Counterterrorism Studies: Comparing Theory and Practice
Professor Edwin Bakker, director of the Centre for Terrorism & Counterterrorism, released his new book “Terrorism and Counterterrorism Studies: Comparing Theory and Practice”, published by Leiden University Press.
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Jelle But, Demy Jongkind, and Wim Voermans publish in The Theory and Practice of Legislation
The most recent edition of the journal ‘The Theory and Practice of Legislation’ contains a contribution by Jelle But, Demy Jongkind and Wim Voermans.
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Into the Darkness: Forging a Stable Path Through the Gravitational Landscape
In this thesis we study the landscape of gravitational models which modify GR by introducing an additional scalar degree of freedom (d.o.f.) to source Cosmic Acceleration.
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Dimensions of Free Speech: An Exploration of a New Theoretical Framework
In ‘Dimensions of Free Speech’, Devrim Kabasakal Badamchi (Leiden University Institute of Political Science) offers a new theoretical framework for free speech by critically analysing the major justifications for free speech. Kabasakal Badamchi argues for a justification: namely the double-grounded…
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Research
The research of the Mathematical Institute is driven by the curiosity of its members and has many internal and external connections. It can be characterised as fundamental but with an open attitude towards applications.
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Reasons and Intentions
There are a number of problems in philosophy that seem to share a similar possible solution: 'Why do promises and contracts bind?', 'Why ought citizens and judges obey the law?' and 'Can we realize the gains to be made from cooperation?'. All three problems (as well as some others) share a possible…
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Beyond Dissemination: Hindustani Identifications at the Nexus of Tradition and Modernity
An interdisciplinary cultural analysis of how the Hindustani double migration informs contemporary processes of identification and problematises the juxtaposition of tradition and modernity.
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Surface Temperature and the Dynamics of H2 on Cu(111)
Heterogeneous catalysis is one of the fundamental processes of modern life, being common in industrial refinery and hydrogen vehicles, all the way to the living cell. The dissociation of H2 on Cu(111) is an important benchmark system for studying heterogeneous catalysis, with a large and varied amount…
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Daan Pelt brings theory and practice together in the field of Deep Learning
Bringing the theoretical world of mathematics and computer science to more applied research areas. That is what Daan Pelt, assistant professor at the Leiden Institute of Advanced Computer Science (LIACS) is trying to achieve with the methods he is developing as a solution to challenges in image proc…
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Fire in student apartment- emergency number
Due to the fire in the student apartment on the Rijswijkseplein 'De Struyck' in The Hague, we have set up an emergency number: 071-5271132.
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Charlotte wins thesis award on argumentation theory: ‘This is one way to strategically pin someone down’
Everyone has heard arguments like this before as a child: ‘Whether you like it or not, you have to go to school!’ It seems as though you are presented with two options, but there is only one real outcome. Charlotte van der Voort of the MA Dutch Studies won the Leiden University Thesis Prize on her research…
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Record number of PhDs despite coronavirus
In 2021 a record number of researchers obtained a PhD at Leiden University. Despite the coronavirus pandemic, the number of PhDs conferred was 448, one more than the previous record year of 2018.
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Accurate modeling of the dynamics of dissociative chemisorption on metal surfaces
Fundamental understanding of molecular reactions on metal surfaces is important for improving heterogeneous catalysis.
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Enlightening the Primordial Dark Ages
This thesis is dedicated to the exploration of the primordial dark ages: unknown physics during the earliest stages of the Universe’s expansion that have not yet been directly probed by observations. Cosmic inflation is a burst of exponential expansion of space after the “Big Bang”.
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The Hague Journal of Diplomacy in Numbers
The Hague Journal of Diplomacy - quantified! In our infographic below, we summarize the past 15 years in numbers.
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The Encyclopedia of Global Human Migration
The Encyclopedia of Global Human Migration provides a complete exploration of the prominent themes, events, and theoretical underpinnings of the movements of human populations from prehistory to the present day.
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Empirical signatures of universality, hierarchy and clustering in culture
In this thesis,
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Cryptography from quantum uncertainty in the presence of quantum side information
Promotor: Ronald Cramer, Co-promotor: Serge Fehr
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Novel pharmacometric techniques to quantify the pharmacodynamics of analgesics
The overarching clinical aim of this thesis was to improve pharmacological pain management by characterizing the pharmacodynamics of analgesics.
- Study Programmes
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Number 1 in The Netherlands; number 22 in the world: Political Science at Leiden University
Where to study ’politics’? According to the QS World University Rankings, Leiden University is a good choice. In the 2021 edition, Leiden and The Hague retain their position in the top 25 of the most esteemed institutes worldwide. Within the Netherlands, we again claim the first position.
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egulating Remittances: Methods, Case Studies and Theories: Call for Paper/Panel Proposals
JUSTREMIT and the Institute of Security and Global Affairs at Leiden University will host a conference on 12 and 13 October on Global Regulatory Regimes and Remittances. invite paper and panel proposals for consideration for the third JUSTREMIT Conference. Academics, practitioners from the regulatory…
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Architecture. Paestum in Eighteenth-Century Architectural Experience and Theory'
The 18th-century rediscovery of the three archaic Greek-Doric temples in Paestum in southern Italy turned existing ideas on classical architecture upside down...
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Hellenistic economic thought
This subproject of 'From Homo Economicus to Political Animal' analyzes Greek economic thinking of the Hellenistic period.
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A fixed point approach towards stability of delay differential equations with applications to neural networks
Promotor: S.M. Verduyn Lunel, Co-Promotor: O.W. van Gaans
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Bartolomeus Häussling Löwgren
Science
b.j.p.m.haussling.lowgren@cml.leidenuniv.nl | +31 71 527 2727