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A Constructive Approach to Function Realization by Neural Stochastic Differential Equations
- Publication Year :
- 2023
-
Abstract
- The problem of function approximation by neural dynamical systems has typically been approached in a top-down manner: Any continuous function can be approximated to an arbitrary accuracy by a sufficiently complex model with a given architecture. This can lead to high-complexity controls which are impractical in applications. In this paper, we take the opposite, constructive approach: We impose various structural restrictions on system dynamics and consequently characterize the class of functions that can be realized by such a system. The systems are implemented as a cascade interconnection of a neural stochastic differential equation (Neural SDE), a deterministic dynamical system, and a readout map. Both probabilistic and geometric (Lie-theoretic) methods are used to characterize the classes of functions realized by such systems.<br />Comment: 6 pages, 1 pdf figure; final version accepted to IEEE Conference on Decision and Control
- Subjects :
- Mathematics - Optimization and Control
Computer Science - Machine Learning
Subjects
Details
- Database :
- arXiv
- Publication Type :
- Report
- Accession number :
- edsarx.2307.00215
- Document Type :
- Working Paper