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Bibliographic Details
Main Authors: Biggin, Aaron, Lemay, Jean-Simon Pacaud
Format: Preprint
Published: 2025
Subjects:
Online Access:https://arxiv.org/abs/2509.20931
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Table of Contents:
  • Reverse differentiation is an essential operation for automatic differentiation. Cartesian reverse differential categories axiomatize reverse differentiation in a categorical framework, where one of the primary axioms is the reverse chain rule, which is the formula that expresses the reverse derivative of a composition. Here, we present the reverse differential analogue of Faa di Bruno's Formula, which gives a higher-order reverse chain rule in a Cartesian reverse differential category. To properly do so, we also define partial reverse derivatives and higher-order reverse derivatives in a Cartesian reverse differential category.