1,980 search results for “dynamical systems” in the Public website
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Seminars
LCN2 organizes seminars on the last Friday of each month.
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SewerSense: automatic measuring within the sewer system
Scientists of Leiden University and Technical University Delft are going to predict how and where defects in sewer systems arise. They are working with light sensitive camera’s, based on new automated multi-sensor inspection with stereo vision and laser range scanning. Their models are going to process…
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Research
Research at the SBC group is comprised of the following research themes:
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Colloquium: Minorities and The Criminal Justice System
On 28 June 2017 the Department of Child Law and the Van Vollenhoven Institute of Leiden Law School organized the colloquium ‘Minorities and The Criminal Justice System’, with James Bell as the keynote speaker.
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Anna wants to weigh solar systems
All the planets in our solar system orbit around the Sun in an ecliptical plane. This is to be expected because our solar system was formed from a so-called protoplanetary disc. PhD candidate Anna Miotello has studied these kinds of discs and how they influence the formation of stars and planets. PhD…
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How to make AI systems learn better
Artificial intelligence systems are smart. They can recognize patterns better than humans, for example. Yet humans are still very much needed. How can you better steer those AI systems? LIACS lecturer Jan van Rijn wrote a book about this together with a number of colleagues. We asked him a few quest…
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Nanoparticulate Impurities in Pharmaceutical-Grade Sugars and their Interference with Light Scattering-Based Analysis of Protein Formulations
PURPOSE: In the present study we investigated the root-cause of an interference signal (100-200 nm) of sugar-containing solutions in dynamic light scattering (DLS) and nanoparticle tracking analysis (NTA) and its consequences for the analysis of particles in biopharmaceutical drug products.
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Astrolinguistics
Design of a Linguistic System for Interstellar Communication Based on Logic
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New release: binary systems | Richard Barrett
Binary systems, consists of five electronic compositions, in each of which Richard Barrett worked with a specially made recording from an improvising instrumentalist to produce a new kind of compositional collaboration: Daryl Buckley (electric lap steel guitar), Ivana Grahovac (cello), Lori Freedman…
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Strengthening the child protection system in Kosovo
On Thursday the 3rd of March 2016, Professor Bruning welcomed a delegation from the government of the Republic of Kosovo, within the framework of the Matra-project ‘Protecting Children in Kosovo: from Policy to Practice’.
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Clare Fenwick
Faculteit Rechtsgeleerdheid
c.e.fenwick@law.leidenuniv.nl | +31 71 527 6054
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Thea Coventry
Faculteit Rechtsgeleerdheid
t.a.c.coventry@law.leidenuniv.nl | +31 70 800 9512
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David de Buisonjé
Faculteit der Sociale Wetenschappen
d.r.de.buisonje@fsw.leidenuniv.nl | +31 71 527 5087
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Sander Nieuwenhuis
Faculteit der Sociale Wetenschappen
snieuwenhuis@fsw.leidenuniv.nl | +31 71 527 3834
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Annemiek de Looze
Faculty Governance and Global Affairs
a.m.m.de.looze@fgga.leidenuniv.nl | +31 70 800 9500
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Placing Changes
What does site patterning reveal about the social landscape dynamics across the historical divide?
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Mast cells as immune regulators in atherosclerosis
Cardiovascular syndromes are the major cause of death in Western societies.
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Exploring strange new worlds with high-dispersion spectroscopy
Until the 1990s, the only known planets were those in our Solar System. Three decades later, several thousand exoplanets have been discovered orbiting stars other than the Sun, and substantial efforts have been made to explore these strange new worlds through spectroscopic analyses of their atmosphe…
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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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Data Science
The ability to collect and interpret huge quantities of data has become indispensable to society and academia. Leiden University is a knowledge and expertise centre for data science that places the emphasis on interdisciplinary collaboration and innovation.
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The assembly history of the milky way nuclear star cluster
Promotor: P. T. de Zeeuw, Co-promotor: N. Neumayer; G. van de Ven
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Cornelia Pabst
Science
pabst@strw.leidenuniv.nl | +31 71 527 5737
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Global fitness maximising approaches to evaluate the trade-offs involved in the evergreen and deciduous conundrum
Which traits and/or trade-offs determine benefits of being deciduous or evergreen?
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Is it time to amend Dutch work disability system?
The research report by the independent committee on the future of the work disability system in the Netherlands ('Onafhankelijke Commissie Toekomst Arbeidsongeschiktheidsstelsel' (Octas)) was published this week. While the number of people unable to work has dropped considerably, the system is still…
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Dissociative chemisorption on transition metal surfaces
The dissociative chemisorption of a molecule on a transition metal surface represents a rate-limiting step in many heterogeneously catalyzed processes, whereby most chemicals are made. In spite of the importance of this reaction, an accurate first principles approach to modeling it does not yet exist.…
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Research: Points system makes neighbourhoods nicer to live in
A lot of municipalities work with a points system to encourage construction projects to take biodiversity and creating green areas into account. But this way of working also benefits local neighbourhoods and residents, master's student Marije Sesink discovered. She based her study on The Hague.
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Lexical Tone in Word Activation
On the 16th of May, Qing Yang successfully defended a doctoral thesis. The Leiden University Centre for Linguistics congratulates Qing on this achievement!
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Balanced lethal systems: a quick guide by Ben Wielstra
Ben Wielstra studies balanced lethal systems, in which half of the offspring die before birth. In the journal Current Biology, he explains in an accessible way how such a disadvantage can originate in nature.
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Academic Council on the United Nations System (ACUNS)
On Thursday 24 of June, GTGC’s Assistant Professor Valentina Carraro, presented her work on regime complexity during the Conference of the Academic Council on the United Nations System (ACUNS).
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The future of the Dutch incapacity benefit system
Barend Barentsen, Professor of Labour Law, recently spoke at a meeting of experts in Amsterdam on the future of the Dutch incapacity benefit system.
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Poetry, rhythm, and meter
Knowledge and culture subproject 4:
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Overlapping Institutions in the United Nations human rights system
On 16-17 June 2022, Valentina Carraro presented a paper on ‘Overlapping Institutions in the United Nations human rights system’ at the Politicologenetmaal conference, Radboud University, Nijmegen.
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Complex Organic Molecules Discovered in Infant Star System
For the first time, astronomers have detected the presence of complex organic molecules, the building blocks of life, in a protoplanetary disc surrounding a young star. The discovery reaffirms that the conditions that spawned the Earth and Sun are not unique in the Universe. The results are published…
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Ancient water management and field systems in southern Jordan
About 15 km to the south of the ancient city of Petra, archaeologists from the University of Leiden have discovered an impressive network of ancient water conservation measures and irrigated field systems.
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Valentina Carraro offers recommendations on strengthening the UN system
At an international high-level conference, Valentina Carraro, Deputy Coordinator of the interdisciplinary programme Global Transformations and Governance Challenges (GTGC) presented her research on human rights in the UN Human Rights Council and Treaty body systems. One of the most practical recommendations…
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Joost Grootens contributes essay to the book ‘Le Système Minard’
Joost Grootens contributes the introductory essay ‘Charles Joseph Minard: Critical Practice’ to the book ‘Le Système Minard’ on the French pioneer in the representation of statistical data in the 19th century.
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Simona Demkova on Enforcement Challenges in Multilevel Regulatory Systems
On 15-16 December, Simona Demková participated in a Closing conference and a Book launch event of the University of Luxembourg doctoral training programme on the Enforcement Challenges in Multilevel Regulatory Systems – DTU REMS.
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Data use, online consumer needs, business strategies and regulatory response
This project aims to explore and examine the factors that impact upon the efficacy of information disclosure duties pertaining to customer data use in online business.
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Language and number
Knowledge and culture subproject 2:
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Uniform infinite and Gibbs causal triangulations
Promotor: Richard D. Gill
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Immune system plays dual role in breast cancer
The immune system plays a paradoxical role in the spread of breast cancer. Some immune cells contribute to metastasis, while other cells can be activated to strengthen the effect of chemotherapy. Kelly Kersten made this discovery in her PhD research. PhD defence 7 February.
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Public Lecture and Workshop on Algorithmic Systems: intersectionality, fairness, accountability
On Tuesday December 19, Museum Boerhaave, the Lorentz Center and eLaw organize a public lecture on ‘Fairness and Accountability of Sociotechnical Algorithmic Systems’.
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Research
Research at the THEOR group is comprised of the following research themes:
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On the Power Efficiency, Low latency, and Quality of Service in Network-on-Chip
In multi/many-core System-on-Chips (SoCs), the performance is almost linearly scaling with the number of processing elements.
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Structure and regulation in photosynthesis
Plants, algae and cyanobacteria have the amazing capacity to perform delicate photophysical and photochemical processes of light capture, excitation transfer, charge separation and catalysis in fluctuating living environments. As a consequence, photosynthetic proteins and membranes form dynamic architectures.…
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Many planetary systems prematurely evaporate into thin air
When stars are born, large clouds of gas and dust form that are known as circumstellar discs. Research by PhD candidate Francisca Concha-Ramírez shows that strong radiation from neighbouring stars soon evaporates the dust in these discs, which can prevent planet formation at an early stage. PhD defence…
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On metrics and models for multiplex networks
In this thesis, we extend the concept of null models as canonical ensembles of multi-graphs with given constraints and present new metrics able to characterize real-world layered systems based on their correlation patterns.
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Björn de Rijk wins SIAM Posterprize
During the last SIAM / Nonlinear Waves and Coherent Structures / conference, PhD student Björn de Rijk, supervised by Prof.Dr. Arjen Doelman and Prof. Dr. Jens Rademacher, received the ‘Posterprijs’. This award is given to the student with the best Poster Presentation..
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Improving juvenile justice systems in Europe: Training for professionals
Prof. Ton Liefaard and dr. Stephanie Rap (together with Apollonia Bolscher LL.M.) are involved in developing a training Toolkit and Manual for the project Improving Juvenile Justice Systems in Europe: Training for Professionals (JUST/2013/FRC/AG).
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Image-based Computational Biology
In this research group, led by Dr. Joost Beltman, the aim is to employ mathematical and computational dynamical modelling approaches in order to quantitatively and mechanistically understand the dynamical behaviour and regulation of intracellular networks of genes, proteins and metabolites as well as…