508 search results for “computational cosmology” in the Public website
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regular and deuterated water in space: a combined laboratory and computational study
Promotor: Prof.dr. H.V.J. Linnartz, Co-Promotores: H.M. Cuppen, S. Ioppolo
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CLIN34 - Leiden 2024
Conference
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Simon Portegies Zwart
Science
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The connection between mass and light in galaxy clusters
Promotor: Koen Kuijken Co-promotor: Henk Hoekstra
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New quantum computer design to predict molecule properties
The standard approach to build a quantum computer with Majoranas as building blocks is to convert them into qubits. However, a promising application of quantum computing—quantum chemistry—would require these qubits to be converted again into so-called fermions. Physicists from Leiden and Delft suggest…
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A new building block for the quantum computer
The race to build the first quantum computer is still ongoing, but Morten Bakker has made big step forward in that process with qubits. A qubit is a unit of quantum information that can be produced in large numbers on chips. Qubits capable of exchanging photons (light particles) could be used in the…
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Early death of massive galaxies in the distant universe
Promotor: M. Franx, Co-Promotor: I.F. Labbé
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ALICE Leiden Computer Cluster
ALICE is Leiden University's newest computing miracle. The computing cluster is a first step in the development of infrastructure for computational and data-intensive research that is accessible to everyone within Leiden University and the LUMC. This includes both experienced users of high-performance…
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Kan een computer rechtspreken?
Kan een computer in de rechtszaal net zo goed uitspraak doen als een rechter? Hoogleraar Recht en informatica Jaap van den Herik vindt volmondig van wel. Hij legt het uit in een college van de Universiteit van Nederland.
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Frontiers of Modern Physics
This is the physics summer school of Leiden University. It is part of the Leiden Institute of Physics (LION). The summer school is intended for Bachelor (BSc) students in physics. It covers topics from quantum matter and optics, to biological & soft matter physics and cosmology and theoretical physics.…
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Applications of quantum annealing in combinatorial optimization
Quantum annealing belongs to a family of quantum optimization algorithms designed to solve combinatorial optimization problems using programmable quantum hardware. In this thesis, various methods are developed and tested to understand how to formulate combinatorial optimization problems for quantum…
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Algorithms for quantum software
Top scientists of three Dutch universities are working on software and systems for quantum computers. Researchers of the Leiden Institute of Advanced Computer Science (LIACS) and the Leiden Institute of Physics (LION) are developing new algorithms to make those super computers work. The coming years,…
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Latest hardware for computer research on medical imaging
The LIACS Media Lab has received a research grant from the worldwide leading graphics hardware company NVIDIA. The grant exists of newly developed hardware utilizing thousands of processors. LIACS researchers will use it to investigate deep learning in understanding imagery from sources such as MRI…
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Probing the darkness: the link between baryons and dark matter
Promotor: Prof.dr. J. Schaye, Co-promotor: Marcello Cacciato
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Exploring Open-World Visual Understanding with Deep Learning
We are living in an information era where the amount of image and video data increases exponentially.
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Chemical Similarity: Structuring Risk and Hazard Assessment
At the moment, over 350.000 chemicals are registered worldwide for production and use. Their application, however, may harm human health and the environment.
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Dirk Bouwmeester
Science
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Surendra Balraadjsing
Science
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‘Computers can give linguists a push in the right direction’
For decades, linguists have racked their brains over the question of precisely how the syntax of various languages is different. PhD candidate Martin Kroon has developed a computer system that brings us closer to finding an answer. His PhD defence is on 10 November.
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A whole new (computational) world
Historical linguist Lauren Fonteyn is awarded a substantial Digital Infrastructure grant as well as being selected as member of the prestigious Young Academy Leiden (YAL).
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Alessandra Silvestri Group - The Late Universe
We are cosmologists, in other words we use physics to study the Universe, how it started and evolved into the structure that we observe around us.
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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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Galaxy formation traced by heavy element pollution
Galaxies form and evolve through close interaction with their surroundings. As a result, the heavy elements ('metals') that are synthesized in stars, are found both inside and outside galaxies.
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Programme structure
You have ample opportunity to assemble your own study path in Cosmology. The courses cover the full spectrum from theoretical early universe to observational cosmology.
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Identifying the origins of galaxy formation
This thesis investigates how galaxies form and what diversifies the evolutionary histories of galaxies.
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Leiden University hosts world championship computer chess
At the annual World Computer Chess Championship, chess computers from all over the world compete with each other. This year, Leiden University hosted the event.
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New in Leiden: Computer science and economics
In a survey held last year by the publication Elsevier, Leiden's Computer Science programme was voted by students as the best university programme of its kind in the Netherlands. And the Rotterdam Economics programme was voted the best in its field. Leiden University now offers a combined study based…
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The power of one qubit in quantum simulation algorithms
Quantum computing is an emerging technology, which holds the potential to simulate complex quantum systems beyond the reach of classical numerical methods.Despite recent formidable advancements in quantum hardware, constructing a quantum computer capable of performing useful calculations remains challenging.In…
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laude physicist Tom O’Brien to research quantum chemistry by quantum computers
With defending his thesis ‘Applications of topology to Weyl semimetals and quantum computing’, the Leiden theoretical physicist Tom O'Brien has gained the rare 'cum laude' qualification. The freshly minted PhD has started a five year research programme on quantum algorithms for quantum chemistry, funded…
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Michael Lew explores how computers can see
Learning how computers can process and describe images just like human beings do. It is one of the key elements of the research of Michael Lew, who sees Deep Learning as a promising way to achieve this goal. On the 1st of January 2021, he was appointed Professor of Deep Learning at the Leiden Institute…
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Spiking Neural P Systems
Promotor: J.N. Kok, Co-promotor: H.J. Hoogeboom
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Making everything we know computer-readable
Data and information should be stored in a way that computers can understand, says Barend Mons, professor of Biosemantics at the Leiden University Medical Center and Chair of the High Level Expert Group for the European Open Science Cloud. We speak with him about FAIR data, knowlets and nanopublicat…
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University provides computer lessons for refugees
Computer skills are essential if you want to become part of Dutch society. Leiden University and Stichting Bestaanskracht, an organisation that helps the vulnerable, are therefore providing computer lessons for refugees who can use some extra digital help.
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Alexey Boiarskyi appointed full professor
Theoretical physicist and cosmologist Alexey Boiarskyi has been appointed full professor per 1 October.
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Ecosia now available at Leiden University computers
LUGO has some news: If you are using a public computer from Leiden University, you can now set your default search engine to Ecosia.
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Breaking the witches' spell: towards steering the soil microbiome for volatile-mediated control of the root parasitic weed Striga
Striga hermonthica, commonly known as witchweed, infests major cereal crops in Sub-Saharan Africa causing severe yield losses and threatening the livelihood of millions of resource poor farmers.
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Evolutionary molecular dynamics
This thesis introduces the concept of
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Medical Delta AI for Computational Life Sciences
The fact that scientists are increasingly better able to access molecular cell and tissue data also brings with it a new challenge: how can scientists find the information they need for research among the vast amount of data available?
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LEELIS Conference on future of computer chips
A collaboration of physicists and chemists organized the LEELIS conference on new computer chip technology in Amsterdam on 10-11 November. Leiden physicist Joost Frenken is director of the organizing institute ARCNL.
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The hunt for the best computer language
Our language is adapted to the context in which we humans communicate. But computers ‘think’ differently. What would a language be like whose structure was optimally adjusted for use by humans and machines? Tessa Verhoef is trying to find the answer.
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Light Weighed: On the Statistics and Systematics of Weak Gravitational Lensing
In astronomy, the interpration of observations and measurements plays a crucial role: we rely purely and fundamentally on the information that reaches us as observers. And 80% of all matter in the universe is undetectable directly.
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Knowledge extraction in the quantum random-oracle model
The aim of this thesis is to present novel techniques for proving cryptographic schemes secure against quantum adversaries. Most results are within the context of an idealized model called the ‘quantum random-oracle model’.
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Juan Claramunt Gonzalez
Faculteit der Sociale Wetenschappen
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Diego Barbosa Arize Santos
Faculteit der Sociale Wetenschappen
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Charles Berger
Faculteit Rechtsgeleerdheid
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Arend-Jan Quist
Science
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Francesco Buda
Science
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Wessel Kraaij
Science
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Marcello Bonsangue
Science
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Archaeology thanks to computer-based research
A mix of data research, artificial intelligence and archaeology led to lively discussions on 31 January. On that day the unique event 'AI & Data Science @ Archaeology' took place in which the Data Science Research Programme (DSRP), SAILS and the Faculty of Archaeology joined forces.