Geometric framework for biological evolution

• URL: http://arxiv.org/abs/2603.15198v1
• Date: Mon, 16 Mar 2026 12:37:59 GMT
• Title: Geometric framework for biological evolution
• Abstract summary: We develop a generally covariant description of evolutionary dynamics that operates consistently in both genotype and phenotype spaces.<n>This demonstrates that evolution can be modeled as a learning process on the fitness landscape.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We develop a generally covariant description of evolutionary dynamics that operates consistently in both genotype and phenotype spaces. We show that the maximum entropy principle yields a fundamental identification between the inverse metric tensor and the covariance matrix, revealing the Lande equation as a covariant gradient ascent equation. This demonstrates that evolution can be modeled as a learning process on the fitness landscape, with the specific learning algorithm determined by the functional relation between the metric tensor and the noise covariance arising from microscopic dynamics. While the metric (or the inverse genotypic covariance matrix) has been extensively characterized empirically, the noise covariance and its associated observable (the covariance of evolutionary changes) have never been directly measured. This poses the experimental challenge of determining the functional form relating metric to noise covariance.

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