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NanoManufacturing

Michael De Volder, Engineering Department - IfM
 
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This is a superlist of research seminars in Cambridge open to all interested researchers. Weekly extracts of this list (plus additional talks not yet on talks.cam) are emailed to a distribution list of over 200 Cambridge researchers by Research Services Division. To join the list click here https://lists.cam.ac.uk/mailman/listinfo/biophy-cure For more information see http://www.cure.group.cam.ac.uk or email drs45[at]rsd.cam.ac.uk
Updated: 1 hour 2 min ago

Fri 24 Oct 13:00: (TBC)

Fri, 03/10/2025 - 15:52
(TBC)

(TBC)

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Fri 17 Oct 13:00: (TBC)

Fri, 03/10/2025 - 15:50
(TBC)

(TBC)

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Fri 10 Oct 13:00: Advancing black-hole perturbation theory beyond the linear regime with the hyperboloidal framework

Fri, 03/10/2025 - 15:47
Advancing black-hole perturbation theory beyond the linear regime with the hyperboloidal framework

The hyperboloidal framework builds upon Penrose’s seminal work on the “Conformal Treatment of Infinity.” It’s an elegant concept that enables us to approach the black hole event horizon and the wave zone “at the same time”. Over the decades, it has become an indispensable tool in black hole perturbation theory, particularly when considering an expansion beyond the linear regime. In this presentation, I will delve into the latest advancements in the field. This includes introducing the so-called Minimal Gauge, a simple strategy to construct hyperboloidal slices and exploring its applications in gravitational wave physics. After reviewing contributions to fundamental concepts in the ringdown phase, I’ll discuss technical advances in the modeling of extreme mass ratio inspirals through the self-force program.

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Thu 09 Oct 12:00: Einstein metrics, Interacting QFT’s and Confinement in four and Five dimensions

Fri, 03/10/2025 - 15:45
Einstein metrics, Interacting QFT’s and Confinement in four and Five dimensions

M-theory provides a geometric framework to describe a variety of interesting quantum field theories in which the QFT ’s arise from Einstein metrics. We motivate a precise definition of this framework which (partly) takes the form of the space of complete, asymptotically conical Ricci flat manifolds in various dimensions. We show how this provides insights into various strongly coupled systems such as non-Abelian gauge theories in four and more dimensions and leads to confining string theories in four and five dimensions. The four dimensional strings can be compared to flux tubes in Yang-Mills theories.

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Mon 06 Oct 14:00: Aspects of the long-time behavior of ideal fluids

Fri, 03/10/2025 - 15:23
Aspects of the long-time behavior of ideal fluids

We will discuss various results related to the long-time behavior of inviscid fluids. We will start with a discussion of steady and traveling wave solutions. We will then discuss results related to small scale creation, filamentation, and mixing. We will do this based on joint works with many co-authors.

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Mon 20 Oct 14:00: Title to be confirmed

Fri, 03/10/2025 - 15:23
Title to be confirmed

Abstract not available

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Mon 27 Oct 14:00: Title to be confirmed

Fri, 03/10/2025 - 15:23
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Mon 03 Nov 14:00: Title to be confirmed

Fri, 03/10/2025 - 15:23
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Abstract not available

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Mon 10 Nov 14:00: Title to be confirmed

Fri, 03/10/2025 - 15:23
Title to be confirmed

Abstract not available

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Mon 13 Oct 14:00: On admissibility criteria for the compressible Euler equations

Fri, 03/10/2025 - 15:23
On admissibility criteria for the compressible Euler equations

In the past years, results based on a technique called convex integration have drawn lots of interest within the community of mathematical fluid mechanics. Among other fascinating results, this technique allows to prove existence of infinitely many solutions for the multi-dimensional compressible Euler equations. All these solutions satisfy the energy inequality which is commonly used in the literature to identify physically relevant solutions. On the other hand, intuitively at least some of the infinitely many solutions still seem to be non-physical. For this reason one has studied additional admissibility criteria like the maximal energy dissipation criterion or the least action criterion—to no avail: such criteria do not select the solution which is expected to be the physical one. In this talk we give an overview on the aforementioned non-uniqueness results, and we explain why maximal dissipation as well as the least action criterion fail to single out the solution which is presumably the physical solution.

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Tue 18 Nov 14:00: Title to be confirmed

Fri, 03/10/2025 - 15:00
Title to be confirmed

Abstract not available

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Tue 14 Oct 17:00: Thylacine stories: mapping de-extinction

Fri, 03/10/2025 - 14:32
Thylacine stories: mapping de-extinction

Abstract not available

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Fri 23 Jan 17:30: Notes and noises in nature: not a swan song?

Fri, 03/10/2025 - 14:27
Notes and noises in nature: not a swan song?

Abstract

Nature is full of music, from tiny birds with melodious songs and elaborate repertoires to majestic whales with inaudibly low voices propagating around the globe. As far as we can tell, however, the music is not often just for pleasure and has evolved serving a purpose. Animals are almost continuously busy with their sonic flirts and fights, whether we hear them or not, in air and water, day and night. The acoustic ecology of species-specific habitats has shaped this music over evolutionary time. The circumstances, however, for the function and evolution of animal communication have changed in air and in water, with the global spread of noisy human activities. In the Anthropocene, we can even speak of ‘acoustic climate change’ and attention and action is required for moderating the acoustic future of the earth for the sake of animal song persistence and our own physical and mental health.

Biography

Hans Slabbekoorn is professor in Acoustic Ecology & Behaviour. He did his BSc and MSc in Biology at Utrecht University (1988-1994), and received his PhD at Leiden University (1994-1998). After post-doctoral positions at San Francisco State University (1998-2001) and back at Leiden University (2001-2004), he stayed in Leiden at the Institute of Biology and became Assistant Professor in 2004, Associate Professor in 2012, and Full Professor in 2022. He has been away for brief periods as visiting professor, at Paris Nanterre, France (2011), NFU , Harbin, China (2015), FUB , Salvador, Brazil (2017), and Anton de Kom University of Suriname, Paramaribo (2025). Over the years, he has worked on plants, primates, birds, fishes, marine mammals, and invertebrates. In recent and ongoing projects, he is investigating the effects of noise and light pollution in terrestrial and aquatic ecosystems, and he is particularly interested in applying the one health concept to urban ecology and providing fundamental knowledge to ecological impact assessments of the offshore wind energy transition. Besides research, he is dedicated to teaching and has been responsible for courses on: Behaviour & Conservation, Trends in Behaviour & Ecology, Animal Behaviour and Experimental Design, Advanced Academic Skills, Urban Ecology & Evolution, and seminar series on Human Evolution and Animal Personality.

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