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ITS Science Colloquium
The ETH Institute for Theoretical Studies presents:
Renormizatiion ideas in Dynamics
Mikhail Lyubich, Stony Brook University and ETH-ITS on December 16, 2021 at 4:15 PM
The aim of the ITS Science Colloquium is to expose researchers and students in theoretical sciences to themes of common interest across disciplines.
We are pleased to announce the conference ABCD: Advancing Bridges in Complex Dynamics, to be held in CIRM, Luminy, September 20-24, 2021. The conference will be focused on the connection between four major topics in complex dynamics: Renormalization, Transcendental dynamics, Thurston theory, and global dynamics. You can find more information on the conference here:
https://conferences.cirm-math.fr/2546.html
We expect to be able to hold the conference in person or at least in hybrid form, with some participants online and some in Luminy.
The registration is now open, and you can find the link on the webpage. If you need some financial support to attend the conference in person, please let us know by June 30th following the instructions on the website. We are looking forward to seeing you in Luminy, the scientific and organizing committee,
N. Fagella, M. Lyubich, D. Schleicher, A. M. Benini, K. Drach, D. Dudko, M. Hlushchanka.
Organized by: Dzmitry Dudko, Mikhail Lyubich and Konstantin Khanin
The goal of this Workshop is to explore connections between various
aspects of Renormalization in Dynamics (unimodal and circle, holomorphic and cocyclic, Henon, KAM, and stochastic renormalizations) and Physics (QFT and statistical mechanics, fluid dynamics, and KPZ), which could help to reveal a unifying theme for all these phenomena.
This workshop is part of the Program: Renormalization and universality in Conformal Geometry, Dynamics, Random Processes, and Field Theory. There will also be Renormalization retrospective: Feigenbaum Memorial Conference held right before.
Organizers: Kostya Khanin, Misha Lyubich, and Dennis Sullivan
This Conference will pay tribute to the great discovery made by Feigenbaum in the mid 1970s and its ramifications (mostly in math) in the past 45 years. It will also serve as an introduction to the SCGP Workshop Many faces of renormalization held during the following week. Both events are part of the Program: Renormalization and universality in Conformal Geometry, Dynamics, Random Processes, and Field Theory:
International Centre for Theoretical Physics ICTP Trieste, Italy
The workshop at ICTP in October is part of a long standing tradition of Dynamical Systems and Ergodic Theory activities at ICTP that was initiated by J. Palis and C. Zeeman in the early 1980s, and continued by Ya. Sinai, J.-C. Yoccoz and others.
We can provide local support for up to 100 participants in shared rooms in the ICTP guesthouses, and some limited travel support only for participants from developing countries.
Online applications here: http://indico.ictp.it/event/9082/
Organizers: Jacopo De Simoi (Toronto, Canada), Corinna Ulcigrai (Zurich, Switzerland), Marcelo Viana (IMPA, Rio de Janeiro, Brazil), Local Organiser: Stefano Luzzatto
Laboratoire Paul Painlevé, Université de Lille, France
ACQUA20, a Summer School in Complex Dynamics and related topics, to be held from June 29 to July 3, 2020, at the Laboratoire Paul Painlevé, Université de Lille
The Summer School is specifically aimed at students, postdocs and young researchers. It will run from June 29 to July 2 and will consist of three courses:
"Distribution of zeros of random holomorphic sections" by George Marinescu (Cologne);
"Dynamics of singular Riemann Surfaces foliations" by Nessim Sibony (Orsay);
"Random complex dynamics” by Anna Zdunik (Warsaw).
Online applications: http://indico.ictp.it/event/9082/
The deadline for registering is April 30, 2020. No registration will be accepted after this deadline.
We should have some funds to support the accommodation and local expenses of some participants, with priority to PhD students and Postdocs. If you need financial support please don't hesitate to contact us, mentioning it in your registration.
The organizing committee: Fabrizio Bianchi, George Marinescu, Volker Mayer, Viet-Anh Nguyen, Gabriel Vigny
Reminder: if you are offered support and plan to fly to the meeting, you must fly on a US-based airline to be reimbursed for your flight.
Stony Brook University, Simons Center for Geometry and Physics ( SCGP )
The goal of the program is to bring together mathematicians and physicists working on various aspects of renormalization in dynamical systems. The idea of renormalization group emerged in Quantum Field Theory. Later, in the 1960s, it became a major tool in Statistical Mechanics in the analysis of phase transitions and critical phenomena. One can say that the ideas of renormalization group have revolutionized the field. This development culminated in Wilson's expansion based on his ideas on intrinsic relation between physical parameters in different scales.
In the 1970s the renormalization ideology was transferred to Dynamics in the context of Universality discoveries by Feigenbaum, Coullet and Tresser, and has since become one of the most powerful tools of understanding small scale structure of a large variety of systems. It has become particularly well (and rigorously) developed in the Conformal context, in particular, in the geometric problems related to the celebrated MLC Conjecture on the local connectivity of the Mandelbrot set.
Today, the renormalization ideas have penetrated deeply into many areas of Mathematics and Physics, but an explicit relation between various areas often remains elusive. One of our goals is to look for a unifying approach that would cover various manifestations of the renormalization.
Organizers:
Kostya Khanin, University of Toronto, Canada; Misha Lyubich, Stony Brook University
Facultad de Matemáticas , Universidad Católica UC, Santiago, Chile
The aim of the workshop is to bring together experts working in holomorphic dynamics in low dimensions and the exchange of new ideas for research directions.
ICERM, Brown University in Providence, Rhode Island
Thurston maps are orientation-preserving branched covering maps of the two-sphere to itself for which the orbits of the branch points form a finite set. They arise in the classification of complex dynamical systems.
