Arbitrarily large heteroclinic networks in fixed low-dimensional state space.
Sofia B S D Castro1, Alexander Lohse2
1Faculdade de Economia and Centro de Matemática, Universidade do Porto, Rua Dr. Roberto Frias, 4200-464 Porto, Portugal.
Chaos (Woodbury, N.Y.)
|December 7, 2023
Summary
Researchers demonstrate a novel method to construct heteroclinic networks using polynomial vector fields in R6. This efficient realization method works for any number of nodes, advancing the study of complex dynamical systems.
Area of Science:
- Dynamical Systems and Mathematical Biology
- Topology and Geometric Methods in Dynamics
Background:
- Heteroclinic networks are crucial for understanding complex dynamics, but their realization in low-dimensional spaces is challenging.
- Existing methods often require high-dimensional spaces, limiting practical applications.
Purpose of the Study:
- To develop a robust and efficient method for realizing heteroclinic networks with a specific connection structure.
- To investigate the minimum required spatial dimension for such realizations, irrespective of network size.
Main Methods:
- Utilizing a construction in a one-dimensional space with connections in coordinate planes.
- Employing polynomial vector fields for network realization.
- Analyzing the stability properties of the constructed heteroclinic objects.
Main Results:
- Successfully realized heteroclinic networks in R6 for any number of nodes (n).
- Demonstrated that the required spatial dimension is bounded, regardless of the network's size (n → ∞).
- Established a novel phenomenon of dimension-bounded realization for these specific network structures.
Conclusions:
- The proposed method offers an efficient approach to constructing heteroclinic networks.
- The dimension-bounded realization is a significant advancement for theoretical and applied dynamical systems.
- Further stability analysis of these heteroclinic objects warrants additional investigation.
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