New Trends in Onedimensional Dynamics, celebrating the 70th birthday of Welington de Melo

IMPA, Rio de Janeiro, November 14 – 18, 2016 






Program at a glance



Daily Program

Daily Program

Organizing and Scientific Committee

Scientific Committee:

Artur Ávila (IMPA)

Carlos Gustavo T. De A. Moreira (IMPA)

Alejandro Kocsard (Federal University Fluminense)

Maria José Pacifico (Federal University of Rio de Janeiro)

Organizing Committee:

Maria José Pacifico (Federal University of Rio de Janeiro)

Pablo Guarino (Federal University Fluminense)


Invited Speakers


Alberto A. Pinto (Porto)
One dimensional chaotic attractors

Artur Avila (IMPA)

Björn Winckler (Stony Brook)
Topology determines geometry?

Carlos Siqueira (Imperial College)
Quasi-conformal deformations of solenoidal Julia sets and conformal IFS

Charles Tresser (APERIO)
Some questions and a few results on the boundary of topological entropy

Daniel Smania (ICMC)
Multimodal renormalization with bounded combinatorics

Davoud Cheraghi (Imperial College)
On a conjecture of Marmi, Moussa, and Yoccoz on the sizes of Siegel disks

Edson de Faria (USP)
Quasi-symmetric rigidity of multi-critical circle maps

Edson Vargas (USP)
Invariant measure for critical covering maps of the circle

Eleonora Catsigeras (Universidad de la Republica)
Stochastic perturbations of piecewise continuous maps

Ian Melbourne (University of Warwick)
The Lorenz attractor is exponentially mixing

Jorge Sotomayor (IME – USP)
Recurrent Curvature Lines on Euclidean Surfaces

José Vieitez (Facultad de Ingenieria y Agrimesura)
Lyapunov exponents for expansive homeomorphisms and expansive set valued maps

Konstantin Khanin (Toronto)
On typical irrational rotation numbers for circle maps with singularities

Liviana Palmisano (Bristol)
Foliations of Rigidity Classes

Luna Lomonaco (USP)
Mating quadratic maps with the modular group

Marco Lenci (Università di Bologna)
Uniformly expanding Markov maps of the real line: exactness and infinite mixing

Marco Martens (Stony Brook)
Renormalization and Symmetry

Mikhail Lyubich (Stony Brook)
Pacman Renormalization and scaling of the Mandelbrot set at Siegel points

Michael Yampolsky (Toronto)
New results on renormalization and rigidity of analytic critical circle maps

Patrice Le Calvez (Institut de Mathématiques de Jussieu)
Orbit forcing theory for surface homeomorphisms and applications

Pedro Salomão (USP)
Some periodic motions in Reeb dynamics which imply positive topological entropy

Peter Hazard (USP)
Renormalisation of Henon-like mappings of bounded type

Raluca Tanase (State University of New York at Stony Brook)
Julia sets and discrete group actions

Raúl Ures (Universidad de la República)
Ergodicity and Partial Hyperbolicity on Unit Tangent Bundles of Surfaces

Remus Radu (State University of New York at Stony Brook)
Hedgehogs in higher dimensions and their applications

Sebastian van Strien (Imperial College)
Welington de Melo’s work from surface to one-dimensional dynamics

Sheldon Newhouse (Michigan State University)
A generalization of a linearization theorem of Philip Hartman

Steven Smale (Toyota Tech Inst at Chicago)
Perspectives on the pitchfork bifurcation

Poster Session

Parabolic phenomena in C2
Arcelino Lobato (Instituto de Matemática e Estatística da USP)

Measurable dynamics of a generalized Arnol’d family
Arlane Vieira (Universidade Federal do Maranhão)

Amenable graphs and their spectral radius
Elaine Ferreira Rocha (Universidade Federal da Bahia)

Quasisymmetric rigidity of multicritical circle maps
Gabriela Estevez (USP)

Sequential Gibbs Measures and Factor Maps
Giovane Ferreira (Universidade Federal do Maranhão)

Specification of the S. Ulam’s theorem on the topological conjugation of one-dimensional maps
Makar Plakhotnyk (USP)

Uma desigualdade de Ancona para operadores
Sara Ruth Pires Bispo (Universidade Federal da Bahia)


List of Registered Participants



Postal Address: Instituto Nacional de Matemática Pura e Aplicada 
Estrada Dona Castorina 110, Jardim Botânico
Rio de Janeiro, RJ, CEP 22460-320, Brasil