首页|Approximation capabilities of measure-preserving neural networks
Approximation capabilities of measure-preserving neural networks
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NSTL
Elsevier
? 2021 Elsevier LtdMeasure-preserving neural networks are well-developed invertible models, however, their approximation capabilities remain unexplored. This paper rigorously analyzes the approximation capabilities of existing measure-preserving neural networks including NICE and RevNets. It is shown that for compact U?RD with D≥2, the measure-preserving neural networks are able to approximate arbitrary measure-preserving map ψ:U→RD which is bounded and injective in the Lp-norm. In particular, any continuously differentiable injective map with ±1 determinant of Jacobian is measure-preserving, thus can be approximated.
NSTL
Elsevier
