Meet the editor

Ricardo López-Ruiz, MS, Ph.D., is an associate professor in the Department of Computer Science and Systems Engineering, Faculty of Science, University of Zaragoza, Spain. He is also an associate researcher in Complex Systems at the School of Mathematics, University of Zaragoza. Previously, he worked as a lecturer at the University of Navarra, the Public University of Navarra, and the UNED of Calatayud. He completed his postdoc

with Prof. Yves Pomeau at the École Normale Supérieure, Paris, and with Prof. Gabriel Mindlin at the University of Buenos Aires. His areas of interest include statistical complexity and nonlinear models, chaotic maps and applications, multiagent systems, econophysics, big data, and machine learning techniques.

Contents

**Section 1**

*by Weiqi Li*

Society

**Section 2**

*by Rafael Prieto Curiel*

**Preface XI**

Theory of Complexity in Social Systems **1**

**Chapter 1 3**

**Chapter 2 25**

**Chapter 3 41**

Theory of Complexity in Natural Systems **67**

**Chapter 4 69**

**Chapter 5 83**

Exploring Links between Complexity Constructs and Children's Knowledge

*by Michael J. Droboniku, Heidi Kloos, Dieter Vanderelst and Blair Eberhart*

Metrics Based on Information Entropy to Evaluate Landscape Complexities

*by Sérgio Henrique Vannucchi Leme de Mattos, Luiz Eduardo Vicente, Andrea Koga Vicente, Cláudio Bielenki Junior, Maristella Cruz de Moraes,* 

Optimization of the ANNs Models Performance in the Short-Term

*Gabriele Luiza Cordeiro and José Roberto Castilho Piqueira*

Forecasting of the Wind Power of Wind Farms *by Sergio Velázquez-Medina and Ulises Portero-Ajenjo*

Opinion Dynamics and the Inevitability of a Polarised and Homophilic

How to Solve the Traveling Salesman Problem

Formation: Implications for Science Learning
