351 zoekresultaten voor “natural” in de Publieke website
-
Learning from nature: using plant-soil feedback principles to improve growth and health of a horticultural crop
Plants and soils from natural ecosystems harbor great diversity of soil microorganisms, which could potentially contribute to the sustainability of horticulture. The knowledge about using wild plant species and soil from natural ecosystem to improve the crop health will advance the application of ecological…
-
A pharmacognostic study of Vernonia guineensis Benth. (Asteraceae): bioactivity, safety, and phytochemical analysis
Promotor: Prof.dr. R. Verpoorte, Co-Promotor: Dr. Young Hae Choi
-
Design and Synthesis of Click Lipids as Tools to Study Immune Cell Metabolism
This thesis advances our understanding of lipid uptake, a vital first step in lipid metabolism, by developing innovative click chemistry-based tools to study how immune cells internalize lipids.
-
Quantum machine learning: on the design, trainability and noise-robustness of near-term algorithms
This thesis addresses questions on effectively using variational quantum circuits for machine learning tasks.
-
Plant Sciences
De missie van het Plant Sciences onderzoeksprogramma is om bij te dragen aan de duurzame productie van gewassen van hoge kwaliteit, bloemen en hoogwaardige producten met een biologische basis. Dit wordt gerealiseerd door het opdoen van fundamentele kennis over biologische processen omtrent de ontwikkeling…
- Quantum Computers
-
Over het instituut
Computer Science LIACS Over het instituut
-
Jaarverslag CML 2013 - 2014 (English)
In 2013-2014, CML published over 100 papers, contributed to various international sustainability debates, renovated our building and educated thousands of students from all over the world through our MOOC. These accomplishments and many more are highlighted in this booklet, CML wish you a pleasant…
-
Exploring Means to Facilitate Software Debugging
In this thesis, several aspects of software debugging from automated crash reproduction to bug report analysis and use of contracts have been studied.
-
Summer School Science Communication
During the summer, we organize a summer school for researchers who want to learn about communicating science to diverse audiences. The summer school is aimed at researchers in any career stage who are new to science communication. The Summer School is open for all disciplines in science, including social…
-
The Agta of the Northern Sierra Madre. Livelihood strategies and resilience among Philippine hunter-gatherers
Promotores: G. Persoon, R. Schefold
-
Natural Language Processing in Healthcare: Applications and Value
Promotie
-
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…
-
Algoritmes en Software Technologie
Het Algorithms and Software Technology (AST) onderzoeksprogramma voert onderzoek uit op het gebied van algoritme-ontwerp en analyse.
-
Spatiotemporal building stock modeling for residential decarbonization in the Netherlands
Decarbonizing the building stock is critical for realizing the climate-neutral target for the Netherlands.
-
Onderzoek
Computers worden steeds krachtiger en krijgen steeds ingewikkelder taken. Het Leiden Institute of Advanced Computer Science (LIACS) doet baanbrekend wetenschappelijk onderzoek en past nieuwe vindingen toe in actuele maatschappelijke vraagstukken.
-
Towards artificial photosynthesis on the lipid bilayer of liposomes
Artificial photosynthesis has recognised potential to produce green and sustainable fuels from earth-abundant resources such as water, carbon dioxide (CO2), and sunlight.
-
Understanding disease suppressive soils
Soil is a home for an unbelievable diversity and abundance of microbial life that is essential for supporting life on our planet.
-
Opinion Diversity through Hybrid Intelligence
This dissertation explores how Large Language Models (LLMs) can effectively and responsibly contribute to complex decision-making processes. By combining AI and human intelligence, Hybrid Intelligence (HI) emerges, allowing the strengths of both humans and machines to be utilized.
-
Separating quantum and classical computing: rigorous proof and practical application
This thesis probes under what conditions quantum computing presents an advantage over classical computing.
-
PROACT
De moderne samenleving is verbonden via elektronische en mobiele apparaten, die we het Internet of Things (IoT) noemen.
-
Emerging approaches to study cell-cell interactions
The aim of this thesis is to study cell-cell interactions and the development of an assay to explore and quantify the exchange of membrane compounds.
-
Learning class-imbalanced problems from the perspective of data intrinsic characteristics
The class-imbalance problem is a challenging classification task and is frequently encountered in real-world applications. Various techniques have been developed to improve the imbalanced classification performance theoretically and practically.
-
Effects of light at night on plants and their interactions with other species
What is the effect of light at night on plant phenology and physiology, and how does this affect plant interactions with other species?
-
Mert YazanWiskunde en Natuurwetenschappen
m.yazan@liacs.leidenuniv.nl | 071 5272727
-
Kiana ShahrasbiWiskunde en Natuurwetenschappen
k.shahrasbi@liacs.leidenuniv.nl | 071 5272727
-
On Multifield Inflation, Adiabaticity and the Speed of Sound of the Curvature Perturbations
Promotor: A. Achúcarro, Co-Promotor: G.A. Palma
-
Effects of pesticides on aquatic macrofauna in the field
Promotores: W.J.G.M. Peijnenburg, G.R. de Snoo, Co-promotor: M.G. Vijver
-
HyTROS
De ontwikkeling en implementatie van een schaalbare, veilige en geïntegreerde infrastructuur van waterstof te bevorderen ter ondersteuning van de energietransitie.
-
Basis reduction for layered lattices
Promotor: H.W. Lenstra
-
The power of biotic ligand models : site-specific impact of metals on aquatic communities
Promotor: G.R. de Snoo, Co-promotores: M.G. Vijver, J.P.M. Vink
-
Sheltering 10 billion people in a warming and resource-scarce world: challenges and opportunities
Sheltering is an immediate human need and determines well-being andhealth.
-
Signalling pathways that control development and antibiotic production in streptomyces
Bacteria are highly complex and diverse organisms that have adapted to survive in ecological niches ranging from the most extreme to the most heterogeneous environments.
-
Off the wall: characterisation and exploitation of a cell wall deficient life style in filamentous actinomycetes
Almost all bacteria are enveloped by a cell wall that provides cellular protection.
-
Efficient tuning of automated machine learning pipelines
Automated Machine Learning (AutoML) is widely used to automatically build a suitable practical Machine Learning (ML) model for an arbitrary real-world problem, reducing the effort of practitioners in the ML development cycle for real-world applications. Optimization is a key part of a typical AutoML…
-
The parabolic Anderson model on Galton-Watson trees
The parabolic Anderson model (PAM), which is the Cauchy problem for the heat equation with random potential. The PAM is a mathematical model that describes how mass (i.e. matter or energy) flows in a medium in the presence of a field of sources and sinks.
-
Matter into context: population- and community-level impacts of nanomaterials in freshwater ecosystems
The application of nanomaterials in industrial processes and consumer products provides many societal benefits, but can also lead to the release of nanomaterials into the environment. The work in this dissertation aims to provide insights into the potential environmental impacts that may follow from…
-
Subproduct Systems and C*-algebras
This thesis studies operator-algebraic aspects of subproduct systems, a generalization of product systems of Hilbert spaces.
-
Amoeboid cell migration and physicochemical properties of the extracellular environment
This dissertation aims to advance understanding of amoeboid single cell migration under the influence of changing physicochemical environmental properties. The particular focus is on the relatively unknown influence of differing physical properties in the extracellular environment, such as the migratory…
-
Chemistry and Biotechnology for Sustainability
If mankind wants to survive into the 22nd century, we will need to change the way we live drastically. The human impact on our planet is everywhere, we are changing the atmosphere, the oceans and the land, leading to global warming, climate change, loss of biodiversity and pervasive pollution. There…
-
Studying through the summer?
Leiden University offers a unique range of summer courses where you can broaden or deepen your knowledge or share your expertise with fellow students. The choice of academic courses is very diverse, ranging from Law, Big Data, Languages and Linguistics to Maths and Natural Sciences, Biology, Biomedical…
-
Yee Man NgWiskunde en Natuurwetenschappen
y.m.ng@liacs.leidenuniv.nl | 071 5272727
-
Afkijken bij de natuur
Een neuraal netwerk imiteert de werking van onze hersenen. Evolutionaire algoritmes gebruiken het principe van natuurlijke selectie om een complex probleem op te lossen. Deze vormen van natural computing worden ingezet om de diagnose van de ziekte van Parkinson accurater te maken, maar ook om bijvoorbeeld…
-
Above- and belowground interactions in Jacobaea vulgaris: zooming in and zooming out from a plant-soil feedback perspective
In this thesis, I focused on studying the above- and belowground interactions of J. vulgaris from a plant-soil feedback (hereafter, PSF) perspective. I investigated the temporal variation of negative PSF and examined the effects of root-associated bacteria on plant performance and aboveground herbiv…
-
From Benchmarking Optimization Heuristics to Dynamic Algorithm Configuration
For optimization problems, it is often unclear how to choose the most appropriate optimization algorithm. As such, rigorous benchmarking practices are critical to ensure we can gain as much insight into the strengths and weaknesses of these types of algorithms.
-
Algorithm selection and configuration for Noisy Intermediate Scale Quantum methods for industrial applications
Quantum hardware comes with a different computing paradigm and new ways to tackle applications. Much effort has to be put into understanding how to leverage this technology to give real-world advantages in areas of interest for industries such as combinatorial optimization or machine learning.
-
Self-Adjusting Surrogate-Assisted Optimization Techniques for Expensive Constrained Black Box ProblemsBagheri, S.
Optimization tasks in practice have multifaceted challenges as they are often black box, subject to multiple equality and inequality constraints and expensive to evaluate.
-
Supramolecular polymer materials for biomedical applications and diagnostics
Self-assembly is an abundant process in nature and is vital to many processes in living organisms.
-
Toll-like receptor signaling in the innate immune system of zebrafish larvae
Promotor: H.P. Spaink, A.H. Meijer Co-promotor: R. Marin-Juez
-
Mast cells as immune regulators in atherosclerosis
Cardiovascular syndromes are the major cause of death in Western societies.