QLS seminar by Michele Buzzicotti in person on 29 November 2022 at 11.00 CET

[Quantitative Life Sciences]

Dear All,

On Tuesday, 29 November at 11:00 CET, Michele Buzzicotti (Physics Dept., 
Tor Vergata University, Rome, Italy) will give a seminar titled:
*
****Physics-Informed Data-Driven Tools: From Ideal models to Geophysical 
systems
***

Abstract:

Our ability to collect data is rapidly increasing thanks to 
computational power and the unprecedented diversity of sensors. But how 
good are we at extracting, reconstructing, and understanding information 
from them? Big data are not easy to digest. Our knowledge about the 
Earth system is not increasing at the same speed as data, but it follows 
the slower progress of Data Reconstruction and Modelling techniques. 
Performing in-silico experiments on ideal/complex systems, we examine 
the applicability of Physics-Informed Data-Driven (PIDD) tools to 
extract interpretable information from sparse & heterogeneous 
observations of complex flows. Key applications are data-driven physics 
modeling, data augmentation, and super-resolution. We compare 
state-of-the-art purely Data-Driven tools, such as Generative 
Adversarial Networks (GAN) [1], with purely Physics-Informed approaches, 
such as Nudging [2], on the ability to reconstruct missing data. At the 
same time, we will discuss how the potentials of both techniques are 
combined in the most advanced Physics-Informed Neural Networks. Moving 
from ideal cases such as turbulence on a rotating frame or 
Rayleigh-Benard convection I will discuss how PIDD tools can potentially 
result in a ground-breaking methodological revolution of today's data 
analysis and data-reconstruction techniques in applications such as 
ocean observations [3,4].

[1] M. Buzzicotti, F. Bonaccorso, P. Clark Di Leoni, L. Biferale. 
Reconstruction of turbulent data with deep generative models for 
semantic inpainting from TURB-Rot database. Physical Review Fluids 6 
(5), 050503, (2021).
[2] M. Buzzicotti, P. Clark Di Leoni. Synchronizing subgrid scale models 
of turbulence to data. Physics of Fluids 32 (12), 125116, (2021).
[3] B.A. Storer, M. Buzzicotti, H. Khatri, S.M. Griffies, H. Aluie. 
Global energy spectrum of the general oceanic circulation. Nature 
communications 13 (1), 1-9, (2022).
[4] M. Buzzicotti, B.A. Storer, S.M. Griffies, H. Aluie. A 
coarse-grained decomposition of surface geostrophic kinetic energy in 
the global ocean. Earth and Space Science Open Archive: ESSOAr  & arXiv 
preprint arXiv:2106.04157, (2021).

Indico webpage: https://indico.ictp.it/event/10130/

___The seminar will take place in the Common area, second floor, old 
SISSA building_

You are all most welcome to attend!

Best regards,
Erica

Erica Sarnataro
Group Secretary Quantitative Life Sciences
The Abdus Salam International Centre for Theoretical Physics (ICTP)
Trieste, Italy
Tel. +39-040-2240623
www.ictp.it/research/qls.aspx
e-mail: qls at ictp.it