Compositional System Dynamics: The Higher Mathematics Underlying System Dynamics Diagrams & Practice
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866909801956507648 |
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| author | Li, Xiaoyan Patterson, Evan Mabry, Patricia L. Osgood, Nathaniel D. |
| author_facet | Li, Xiaoyan Patterson, Evan Mabry, Patricia L. Osgood, Nathaniel D. |
| contents | This work establishes a robust mathematical foundation for compositional System Dynamics modeling, leveraging category theory to formalize and enhance the representation, analysis, and composition of system models. Here, System Dynamics diagrams, such as stock & flow diagrams, system structure diagrams, and causal loop diagrams, are formulated as categorical constructs, enabling scalable, transparent, and systematic reasoning. By encoding these diagrams as data using attributed C-sets and utilizing advanced categorical tools like structured cospans, pushouts, pullbacks, and functor mappings, the framework supports modular composition, stratification, and seamless mapping between syntax and semantics.
The approach underwrites traditional practice with firm mathematical structure, facilitates the identification of certain forms of pathways and feedback loops, the detection of simple patterns within complex diagrams, common structure between diagrams, and structure-preserving mappings between diverse diagram types. Additionally, this framework supports alternative semantics, such as stochastic transition dynamics, extending beyond traditional ordinary differential equation (ODE) representations. Applications in compositional modeling, modularity, and team-based collaboration demonstrate the practical advantages of this advanced framework.
Future directions include integrating dimensional annotations, supporting hybrid and agent-based modeling paradigms, and expanding the framework's applicability to global and local temporal reasoning through temporal sheaves. By revealing and formalizing the hidden mathematical structure of System Dynamics diagrams, this work empowers practitioners to tackle complex systems with clarity, scalability, and rigor. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2509_18475 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Compositional System Dynamics: The Higher Mathematics Underlying System Dynamics Diagrams & Practice Li, Xiaoyan Patterson, Evan Mabry, Patricia L. Osgood, Nathaniel D. Systems and Control Category Theory Dynamical Systems This work establishes a robust mathematical foundation for compositional System Dynamics modeling, leveraging category theory to formalize and enhance the representation, analysis, and composition of system models. Here, System Dynamics diagrams, such as stock & flow diagrams, system structure diagrams, and causal loop diagrams, are formulated as categorical constructs, enabling scalable, transparent, and systematic reasoning. By encoding these diagrams as data using attributed C-sets and utilizing advanced categorical tools like structured cospans, pushouts, pullbacks, and functor mappings, the framework supports modular composition, stratification, and seamless mapping between syntax and semantics. The approach underwrites traditional practice with firm mathematical structure, facilitates the identification of certain forms of pathways and feedback loops, the detection of simple patterns within complex diagrams, common structure between diagrams, and structure-preserving mappings between diverse diagram types. Additionally, this framework supports alternative semantics, such as stochastic transition dynamics, extending beyond traditional ordinary differential equation (ODE) representations. Applications in compositional modeling, modularity, and team-based collaboration demonstrate the practical advantages of this advanced framework. Future directions include integrating dimensional annotations, supporting hybrid and agent-based modeling paradigms, and expanding the framework's applicability to global and local temporal reasoning through temporal sheaves. By revealing and formalizing the hidden mathematical structure of System Dynamics diagrams, this work empowers practitioners to tackle complex systems with clarity, scalability, and rigor. |
| title | Compositional System Dynamics: The Higher Mathematics Underlying System Dynamics Diagrams & Practice |
| topic | Systems and Control Category Theory Dynamical Systems |
| url | https://arxiv.org/abs/2509.18475 |