**Editors: Osvaldo A. Rosso, Orazio Descalzi, Alejandro C. Frery and Marcelo Lyra **

Research in nonequilibrium statistical mechanics and nonlinear physics is a scientific approach to the investigation of how relationships between individual parts give rise to the collective behavior of a system, and how the system interacts and forms relationships with its environment. Such problems are mostly tackled with new concepts and tools related to Information Theory, Statistical Mechanics and Nonlinear Dynamics. They aim to represent and understand the organized, albeit unpredictable, behavior of natural systems that are considered intrinsically complex. In fact, the exciting fields of Complexity, Chaos and Nonlinear Science have experienced impressive growth in recent decades. Research topics not only include classical problems in Statistical Mechanics, Fluids, Pattern Formation, Chaos and Dynamical Systems (these have deserved a wealth of attention), but they have also given place to new interdisciplinary fields like Networks, Social Dynamics, Econophysics, Theoretical Neuroscience and Brain Dynamics, Granular Media, Biomathematics and Data Science, among others.

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## About the Guest Editors

**Osvaldo A. Rosso** was born in Rojas, Buenos Aires, Argentina, in 1954. He received the M.Sc. and Ph.D. degrees in physics from the Universidad Nacional de La Plata, Argentina, in 1978 and 1984, respectively. Since March 1985, he has held a permanent research position at the Argentinean Consejo Nacional de Investigaciones Científicas y Técnicas, being Principal Researcher. He has authored or co-authored over 180 research publications including about 128 papers published in international journals. His current research interests include time series analysis, nonlinear dynamics, information theory, time frequency analysis, and their applications to physics, biological, and medical sciences.

**Orazio Descalzi** is a Chilean theoretical physicist and currently full professor at the Universidad de los Andes, Santiago, Chile. He obtained his PhD in physics at the University of Essen, Germany, under Prof. Robert Graham. He has been fellow of the Deutscher Akademischer Austasch Dienst. Currently he is Director of Research of the Universidad de los Andes, Chile. His main research interests are nonlinear physics, out of equilibrium thermodynamics, and stochastic processes. He is the leader of the Complex Systems Group at the Universidad de los Andes.

**Alejandro C. Frery** received the B.Sc. degree in Electronic and Electrical Engineering from the Universidad de Mendoza, Argentina. His M.Sc. degree was in Applied Mathematics (Statistics) from the Instituto de Matemática Pura e Aplicada, Rio de Janeiro, and his Ph.D. degree was in Applied Computing from the Instituto Nacional de Pesquisas Espaciais, Brazil. He is currently the leader of LaCCAN - Laboratório de Computação Científica e Análise Numérica, Universidade Federal de Alagoas, Maceió, Brazil. His research interests are statistical computing and stochastic modelling.

**Marcelo Lyra** is full professor at the Physics Institute of Universidade Federal de Alagoas (UFAL), Maceió, Brazil. His main research areas include nonlinear dynamical systems, phase transitions and critical phenomena, complex fluids and complex networks, wave propagation in random media and stochastic processes. He has co-authored over 200 research papers and currently coordinates the graduation program in Physics at UFAL and the research group on theoretical and computational physics. His group offers several opportunities for post-doctors and visiting scientists.