Evolving Causal Regulatory Networks (ECR-Net)

• URL: http://arxiv.org/abs/2605.25211v1
• Date: Sun, 24 May 2026 18:19:59 GMT
• Title: Evolving Causal Regulatory Networks (ECR-Net)
• Abstract summary: We introduce ECR-Net, a bio-inspired framework for adaptive causal mechanism discovery.<n>Our approach models the data-generating process not as a static graph, but as a dynamic system analogous to a Gene Regulatory Network (GRN)<n>ECR-Net is capable of discovering how and why a system's fundamental rules change, offering a path toward robust generalization in complex, non-stationary systems.
• Score: 0.0
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Modern machine learning models excel at pattern recognition but remain brittle, often failing to generalize out of distribution (OOD) because they capture spurious correlations rather than the underlying causal data-generating process. Current causal discovery methods, while powerful, typically assume a static graph structure, rendering them unable to model systems that adapt or undergo structural changes across different environments. We introduce ECR-Net, Evolving Causal Regulatory Networks, a novel, bio-inspired framework for adaptive causal mechanism discovery. Our approach models the data-generating process not as a static graph, but as a dynamic system analogous to a Gene Regulatory Network (GRN), composed of localized, recursive functions where variables can activate and inhibit one another. To discover the latent structure of this network, we employ an evolutionary search algorithm that evolves a population of candidate regulatory graphs, optimizing for a fitness function that measures how well the simulated system dynamics reconstruct the observed data. The key innovation of ECR-Net is its ability to model structural adaptation, it explicitly ingests shifts in the data's statistical properties as signals of an environmental shock. In response, the evolutionary search identifies parsimonious modifications to the causal graph topology, such as link inhibitions or activations that explain the new data regime. We posit that ECR-Net represents a new class of adaptive Structural Causal Models capable of discovering how and why a system's fundamental rules change, offering a path toward robust generalization in complex, non-stationary systems.

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