On the use of the Belopol'skaya-Daletskii representation of a diffusion on a Riemann manifold to construct path integrals
arXiv:2607.17871
2026
Geometry
1 ideas extracted · analyzed Aug 30, 2026
What the math gives to ML
The paper provides a geometrically equivariant construction of finite-dimensional diffusion path measures using the Riemannian exponential map and the Belopol'skaya-Daletskii formulation, avoiding coordinate-dependent descriptions of stochastic increments. Its transferable asset is a manifold-valued stochastic transition in which drift and noise are combined in the tangent space and mapped back to the state manifold by \(\operatorname{Exp}_x\), with the metric induced by the inverse diffusion tensor. A strong neural-network application is a coordinate-equivariant stochastic residual layer or diffusion sampler for latent representations constrained to a learned manifold, together with a path-likelihood correction based on the exponential-map volume Jacobian.
Ideas from this paper
✓✓ Beats tuned baseline
2026
Replace additive Euclidean stochastic residual updates with tangent-space updates followed by the Riemannian exponential map. A neural drift network produces a tangent vector, while noise is sampled using the metric induced by the inverse diffusion tensor; the resulting layer is invariant to smooth coordinate reparameterizations up to numerical integration error.
Useful7/10
Difficulty5/10
Novelty6/10