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Patterns of Synchrony in Complex Networks of Adaptively Coupled Oscillators

  • Book
  • © 2021

Overview

Authors:
  1. Rico Berner

    1. Institut für Theoretische Physik, Technische Universität Berlin, Berlin, Germany

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  • Nominated as an outstanding Ph.D. thesis by the Technical University of Berlin, Berlin, Germany
  • Gives a concise overview of synchronization patterns on adaptive networks
  • Develops new mathematical methods to study the dynamics on adaptive and multiplex networks
  • Provides a comprehensive understanding of frequency clustering in neuronal networks with synaptic plasticity

Part of the book series: Springer Theses (Springer Theses)

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Table of contents (9 chapters)

  1. Front Matter

    Pages i-xvi
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  2. Introduction

    • Rico Berner
    Pages 1-21

  3. Fundamentals of Adaptive and Complex Dynamical Networks

    • Rico Berner
    Pages 23-41

  4. Cluster Synchronization in Globally Coupled Adaptive Networks

    1. Front Matter

      Pages 43-43
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    2. Population of Hodgkin–Huxley Neurons with Spike Timing-Dependent Plasticity

      • Rico Berner
      Pages 45-61

    3. One-Cluster States in Adaptive Networks of Coupled Phase Oscillators

      • Rico Berner
      Pages 63-81

    4. Multicluster States in Adaptive Networks of Coupled Phase Oscillators

      • Rico Berner
      Pages 83-110

  5. Interplay of Adaptivity and Connectivity

    1. Front Matter

      Pages 111-111
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    2. Adaptation on Nonlocally Coupled Ring Networks

      • Rico Berner
      Pages 113-131

    3. Synchronization on Adaptive Complex Network Structures

      • Rico Berner
      Pages 133-147

    4. Multilayered Adaptive Networks

      • Rico Berner
      Pages 149-167

    5. Conclusion and Outlook

      • Rico Berner
      Pages 169-177

  6. Back Matter

    Pages 179-203
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Keywords

About this book

The focus of this thesis is the interplay of synchrony and adaptivity in complex networks. Synchronization is a ubiquitous phenomenon observed in different contexts in physics, chemistry, biology, neuroscience, medicine, socioeconomic systems, and engineering. Most prominently, synchronization takes place in the brain, where it is associated with cognitive capacities like learning and memory, but is also a characteristic of neurological diseases like Parkinson and epilepsy. Adaptivity is common in many networks in nature and technology, where the connectivity changes in time, i.e., the strength of the coupling is continuously adjusted depending upon the dynamic state of the system, for instance synaptic neuronal plasticity in the brain. This research contributes to a fundamental understanding of various synchronization patterns, including hierarchical multifrequency clusters, chimeras and other partial synchronization states. After a concise survey of the fundamentals of adaptive and complex dynamical networks and synaptic plasticity, in the first part of the thesis the existence and stability of cluster synchronization in globally coupled adaptive networks is discussed for simple paradigmatic phase oscillators as well as for a more realistic neuronal oscillator model with spike-timing dependent plasticity. In the second part of the thesis the interplay of adaptivity and connectivity is investigated for more complex network structures like nonlocally coupled rings, random networks, and multilayer systems. Besides presenting a plethora of novel, sometimes intriguing patterns of synchrony, the thesis makes a number of pioneering methodological advances, where rigorous mathematical proofs are given in the Appendices. These results are of interest not only from a fundamental point of view, but also with respect to challenging applications in neuroscience and technological systems.

Authors and Affiliations

  • Institut für Theoretische Physik, Technische Universität Berlin, Berlin, Germany

    Rico Berner

About the author

Rico Berner is a mathematician and physicist. In his research he combines ideas and techniques from both disciplines to provide a fundamental understanding of complex dynamical systems. He studied physics and mathematics at TU Berlin. Apart from his studies, Rico Berner has worked with Siemens AG on applications of machine learning algorithms and has taught mathematics and physics to students in several courses. Before starting his doctoral studies, he has been the coordinator of school activities at the Matheon (TU Berlin) and has engaged in public events of Stiftung Rechnen. Rico Berner received the Dr. rer. nat. degree from TU Berlin. His research interests include the analysis of nonlinear dynamical systems, synchronization phenomena in complex networks and the modeling of neuronal and technological systems.

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