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 The Directional Entropy for Spatially Extended Dynamical Systems
  Maurice Courbage
 Detecting Regularity with Complexity Functions
  Olivier Bui and Xavier Leoncini
 Local Complexity Functions of the Ehrenfest’s Wind-Tree Model
  Raúl Rechtman
 Selective Chaos of Travelling Waves in Feedforward Chains of Bistable Maps
  Bastien Fernandez
 On Periodic Motions in a van der Pol Oscillator
  Yeyin Xu and Albert C J Luo
 Hidden Periodic Motions for Brushless Motor with Unsteady Torque Excitation
  Jianzhe Huang and Fuhong Min
 Chunking Rhythmic Synchronization: Bellerophon States and Quantized Clusters of Globally Coupled Phase Oscillators
  S Boccaletti, H Bi, T Qiu, I Bonamassa, and S Guan
 Chatter Dynamics and Stability of the Impulsive van der Pol Equation
  Shasha Zheng and Xilin Fu
 Complex Motions in an Inclined Impact Pair with a Periodic Excitation
  Xilin Fu and Yanyan Zhang
 Nonlinear Dynamics of Deep Open-Ocean Convection: An Analytical Approach
  Dmitry V Kovalevsky and Igor L Bashmachnikov
 On the Necessary Conditions for Preserving the Nonnegative Cone: Mixed Diffusion
  Messoud Efendiev and Vitali Vougalter
 Multi-scale Analysis of Urban Spatial Structures Acquired from OpenStreetMap
  Dimitri Volchenkov and Veniamin Smirnov