2,992 search results for “theory” in the Public website
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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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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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On continued fraction algorithms
Promotor: Robert Tijdeman, Co-promotor: Cornelis Kraaikamp
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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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Global Fields and Their L-functions
Artin L-functions associated to continuous representations of the absolute Galois group G_K of a global field K capture a lot of information about G_K as well as arithmetic properties of K.
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Empirical signatures of universality, hierarchy and clustering in culture
In this thesis,
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Alice Twemlow named professor by special appointment of the History, Theory and Sociology of Graphic Design and Visual Culture at University of
Alice Twemlow has been named professor by special appointment in the Wim Crouwel chair in the History, Theory and Sociology of Graphic Design and Visual Culture at the Faculty of Humanities of the University of Amsterdam.
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Positive representations on ordered Banach spaces
Promotor: A. Doelman, Co-promotor: M.F.E. de Jeu
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Causal theory as the “B side” of modal theory: The English progressive as case study
Lecture, Com(parative) Syn(tax) Series
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Models of curves: The Birch and Swinnerton-Dyer conjecture & ordinary reduction
Chapter 1,contains the numerical verification of the Birch and Swinnerton-Dyer conjecture for hundreds of Jacobians of hyperelliptic curves of genus 2, 3, 4 and 5.
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Hydrogen dissociation on metal surfaces
Promotor: G. J. Kroes
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Attachment Theory and Culture: Parenting in Latin America and rural Peru from an Attachment Theory perspective
PhD defence
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CPP Colloquium “A cultural theory of deliberation”
Lecture
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Teachers’ practical knowledge and lesson design in the context of innovation
This project is situated within the context of an innovation of the biology curriculum in Dutch secondary schools. The main purposes are (1) to clarify the relation between teachers’ practical knowledge and the decisions they make when planning and implementing their lessons and (2) to develop a professional…
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Gabriel Paiuk – Sound Theory (The Clouds)
Arts and culture, Concert
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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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On cluster algebras and topological string theory
PhD defence
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Mutable Audible – An Operative Ontology of the Sound Image
In his dissertation Gabriel Paiuk explores the variable ways in which what is heard is formed. To address this, he postulates a novel concept of sound image in a post-anthropocentric context in which both mind and material artefacts are instances across which the image occurs, rather than hosts on which…
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On the 16-rank of class groups of quadratic number fields
Promotores: P. Stevenhagen, E. Fouvry (Univeriste Paris Saclay)
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Universal adelic groups for imaginary quadratic number fields and elliptic curves
Promotor: Prof.dr. P. Stevenhagen & Prof.dr. K. Belabas (Univ. de Bordeaux)
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Aria of the Dutch North Sea
Promotores: C. J. ten Cate; M. A. Ainslie. Co-promotor: W. Slabbekoorn
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OSINT: From Theory, Intelligence to Evidence
Conference
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Kummer theory for commutative algebraic groups
PhD defence
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Inverse Jacobian and related topics for certain superelliptic curves
To an algebraic curve C over the complex numbers one can associate a non-negative integer g, the genus, as a measure of its complexity.
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Shaping Cultural Landscapes
Connecting Agriculture, Crafts, Construction, Transport, and Resilience Strategies
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Torsion points on elliptic curves over number fields of small degree
Promotor: S.J. Edixhoven Co-promotor: L. van Geemen, P. Parent
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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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Meet this year's Lorentz Professor Renata Kallosh: 'Lorentz is my hero in physics'
Professor Renata Kallosh (Stanford University), one of the world’s leading theoretical physicists, will be this summer’s Lorentz Professor at the Leiden institute for theoretical physics. Her main areas of interest are cosmology and string theory. She studied physics in Moscow, where she also obtained…
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Identity processes during health behavioral change
To what extent and how do identity processes influence health behavior?
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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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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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In search of the atoms of mathematics
Combining geometry and number theory. That is what Dr Jan Vonk of the Institute of Mathematics receives a Vidi grant for today. ‘By fusing these two disciplines we may be able to solve a century-old mathematical problem.’
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Cyber Persistence Theory: redefining national security in cyberspace
Lecture
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Mathematician Peter Koymans wins KWG PhD prize
Leiden PhD student Peter Koymans has been declared ‘best mathematics PhD student’ by the Royal Dutch Mathematical Society (KWG). He received the prize at the Dutch Mathematical Congress (NMC) on 24 and 25 April. With his talk about his research into the Cohen-Lenstra conjecture, Koymans left eleven…
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Neurobiological and Environmental Determinants of Parenting and Child Development
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La llamada del pasado: claves de la teoría de la historia
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'.
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Understanding the Surface Structure of Catalysts and 2D Materials at the Atomic Scale
The work in this thesis demonstrates how to obtain an atomic-scale picture of a diverse set of complex surface structures observed using STM, under disparate conditions.
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Observing what cannot be observed: computational electrochemistry from carbon to hydrogen
In this thesis, we consider various (electro)chemical phenomena at surfaces and nanoparticles and their underlying atomistic processes, which we studied using first-principles methods such as density functional theory.
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Geometric approach to evolution problems in metric spaces
Promotor: S.M. Verduyn Lunel, Co-promotor: O.W. van Gaans
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Ancient Greek ersatz econonomics
This subproject of 'From Homo Economicus to Political Animal' will be on ancient analogues for modern-day “ersatz economics”, the economics of the “man in the street”.
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Janneke Wesseling gives Keynote presentation at Symposium in Porto
On November 6th PhDArts Co-Director Dr. Janneke Wesseling has given a keynote presentation, entitled “On Methodology”, at the Symposium Conversations on Artistic Research in Porto (PRT).
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Playing a role – but which one?
How public service motivation and professionalism affect decision-making in dilemma situations. Individuals who work in the public sector see themselves confronted with conflicting values, contradictory demands, and the need to serve an at times difficult to define ‘public interest’.
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Bartolomeus Häussling Löwgren
Science
b.j.p.m.haussling.lowgren@cml.leidenuniv.nl | +31 71 527 2727
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Tom Theuns
Faculteit der Sociale Wetenschappen
t.j.h.theuns@fsw.leidenuniv.nl | +31 71 527 5069
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Gabriel Paiuk
Faculty of Humanities
g.paiuk@kunsten.leidenuniv.nl | +31 71 527 7450
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Arie Verhagen
Faculty of Humanities
a.verhagen@hum.leidenuniv.nl | +31 71 527 4152
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Eamon Aloyo
Faculty Governance and Global Affairs
e.t.aloyo@fgga.leidenuniv.nl | +31 70 800 9195
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Jelena Belic
Faculteit der Sociale Wetenschappen
j.belic@fsw.leidenuniv.nl | +31 70 800 3879
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Antoinette Huijbers
Faculteit Archeologie
a.m.j.h.huijbers@arch.leidenuniv.nl | +31 71 527 2727