296 zoekresultaten voor “einstein equations” in de Publieke website

Diophantine equations in positive characteristic
In this thesis three different topics in number theory are studied.

The Robinson congruence in electrodynamics and general relativity
Promotor: Prof.dr. D. Bouwmeester

Deterministic equation solving over finite fields
Promotor: H.W. Lenstra

Blowup in the complex GinzburgLandau equation
Promotor: A. Doelman, Copromotor: V. Rottschäfer

Effective Methods for Diophantine Equations
Promotor: R. Tijdeman

Long term dynamics of stochastic evolution equations
Promotor: S.M. Verduyn Lunel, Copromotor: O. van Gaans

A fixed point approach towards stability of delay differential equations with applications to neural networks
Promotor: S.M. Verduyn Lunel, CoPromotor: O.W. van Gaans

Leiden Celebrates Einstein’s Birthday
Exactly 138 years ago, Albert Einstein came into this world to forever change our understanding of it. The Leiden physics institute, where he frequently worked, organised a symposium in honor of his birthday.

Invariant manifolds and applications for functional differential equations of mixed type
Promotor: S.M. Verduyn Lunel

The mystery of Einstein's sink
According to some stories, Einstein washed his hands there only once. According to others, students moved it as a joke. Whatever the case may be, Einstein's sink has enjoyed mythical status among students and employees of the Faculty of Science for decades. But what is the real story? Alumnus Alex Pietrow…

All the Einsteins: popup exhibition at Rijksmuseum Boerhaave
A popup exhibition ‘All the Einsteins’ will open at Rijsmuseum Boerhaave on 29 May 2019. This is the first time that the museum will present its entire collection of handwritten letters and documents by Einstein. The exhibition marks, among others, the publication of the first photo of a black hole…

Original letters Einstein and Lorentz donated to museum Boerhaave
Museum Boerhaave amplifies its collection with original letters and pictures from Einstein and Lorentz. Professor by special appointment Dirk van Delft, also director of Boerhaave, accepted the documents on 12 March.

Leiden Classics: Einstein & Friends
Museum Boerhaave commemorated the hundredth anniversary of Einstein’s Theory of General Relativity with the exhibition ‘Einstein & Friends’. The exhibition shined light on the famous physicist’s Dutch friends and his love for Leiden. A review featuring seven images can be found below.

Travelling patterns on Discrete Media
This thesis describes how complex and realworld relevant analytical solutions can be found starting from a simple Nagumo problem posed on one or twodimensional lattices.

Studying abstract mathematical equations using tangible surfaces
On January 5, Rosa Winter will obtain her doctorate in arithmetic geometry. She researched solutions of equations that define socalled ‘del Pezzo surfaces’. ‘I like geometry because I can imagine and draw the shapes and objects,’ says Winter. ‘That makes abstract mathematics feel more tangible.’

Exhibition 'The Drake Equation'  online
In Green Bank, Virginia are some giant radio telescopes which astronomers use to study objects deep in space. Because these telescopes are built to capture very faint redio signals, the area around the observatory is officially a 'radioquiet' zone, without WiFi, radio or Cell signal. Photographers…

Plankton and tumours captured in mathematical equations
Plants that grow in patterns of stripes on the edge of deserts, plankton that live on the sea bed or oscillate in the water, and melanomas that spread throughout the body. Mathematician Lotte Sewalt discovered the common elements in these three systems. PhD defence 8 September.

Einstein’s light dances and spins in Leiden
The documentary Einstein’s Light by director Nickolas Barris shows in a dazzling manner what scientific breakthroughs resulted from the special friendship between Albert Einstein and the Leiden physicist Hendrik Antoon Lorentz. The documentary premiered at the Leiden International Film Festival on 2…

Mathilde Verdam
Faculteit der Sociale Wetenschappen

Henk Kelderman
Faculteit der Sociale Wetenschappen

Large Time Behaviour of Neutral Delay Systems
Promotor: S.M. Verduyn Lunel

8th wall formula about the Van der Waalsequation for gases
Despite the rain and awful weather, the painting job has been finished within a week. The Van der Waalsstate equation is the eighth Leiden wall formula.

The parabolic Anderson model and longrange percolation
Promotor: Prof.dr. F. den Hollander

Bayesian Inference for Gaussian Models
This dissertation studies the Asymptotics of Bayesian nonparametric inference for Gaussian linear models.

Hydrodynamics and the quantum butterfly effect in Black Holes and large N quantum field theories
Why do black holes emit thermal radiation? And how does a closed quantum system thermalize?

Noisy Patterns: Bridging the gap between stochastics and dynamics
In this thesis, we study travelling waves in stochastic reactiondiffusion equations. We extend techniques from the deterministic theory for travelling waves to apply to the stochastic version, which allows us to compute the stochastic wave speed and shape, and draw conclusions on the stability of the…

Julian Karch
Faculteit der Sociale Wetenschappen

Patterns in natural systems
Promotor: A. Doelman, Copromotores: P.J.A. van Heijster; A. Zagaris

Christian Hamster
Wiskunde en Natuurwetenschappen

Joost Beltman
Wiskunde en Natuurwetenschappen

Geometric approach to evolution problems in metric spaces
Promotor: S.M. Verduyn Lunel, Copromotor: O.W. van Gaans

Counting points on surfaces
van Luijk

Cheianov Group (Quantum Many Body Physics in Condensed Matter and Ultracold Atomic Systems)
The research in my group addresses a range of topics related to quantum manybody physics.

Martin Bright
‘Wild’ might not be the first word that springs to mind when you think about mathematics. But there is, most definitely, a wild side to this research area, consisting of problems that are extremely elusive and difficult to ‘tame’. Martin Bright works on one of these problems. His aim is to tame the…

Willem SchoutenStraatman
Wiskunde en Natuurwetenschappen

Quantum local asymptotic normality and other questions of quantum statistics
Promotor: R. Gill, Copromotor: P. Massart

A recipe for desert: analysis of an extended Klausmeier model
Promotores: Arjen Doelman, Jens Rademacher, Max Rietkerk

Modelling the role of cytotoxic T lymphocytes in tumour regression
Immunotherapies for cancer are an emerging class of therapeutic strategies which aim to treat cancer via augmentation of the immune system.

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From wine tears to cloud transport: large mathematical conference in Leiden
The winner of the highest scientific distinction in mathematics, an explanation for wine tears and much more mathematical theory and application. From 8 to 12 July, 550 mathematicians will meet in the center of Leiden to discuss differential equations.

Diophantine equations in positive characteristic
Promotie