Quantitative clts in deep neural networks

S Favaro, B Hanin, D Marinucci, I Nourdin… - arXiv preprint arXiv …, 2023 - arxiv.org
We study the distribution of a fully connected neural network with random Gaussian weights
and biases in which the hidden layer widths are proportional to a large constant $ n $. Under …

Gaussian random field approximation via Stein's method with applications to wide random neural networks

K Balasubramanian, L Goldstein, N Ross… - Applied and …, 2024 - Elsevier
We derive upper bounds on the Wasserstein distance (W 1), with respect to sup-norm,
between any continuous R d valued random field indexed by the n-sphere and the …

Quantitative central limit theorems for the parabolic Anderson model driven by colored noises

D Nualart, P Xia, G Zheng - Electronic Journal of Probability, 2022 - projecteuclid.org
In this paper, we study the spatial averages of the solution to the parabolic Anderson model
driven by a space-time Gaussian homogeneous noise that is colored in both time and …

The hyperbolic Anderson model: moment estimates of the Malliavin derivatives and applications

RM Balan, D Nualart, L Quer-Sardanyons… - Stochastics and Partial …, 2022 - Springer
In this article, we study the hyperbolic Anderson model driven by a space-time colored
Gaussian homogeneous noise with spatial dimension d= 1, 2. Under mild assumptions, we …

Quantitative CLTs on the Poisson space via Skorohod estimates and -Poincar\'e inequalities

T Trauthwein - arXiv preprint arXiv:2212.03782, 2022 - arxiv.org
We establish new explicit bounds on the Gaussian approximation of Poisson functionals
based on novel estimates of moments of Skorohod integrals. Combining these with the …

[PDF][PDF] Non-asymptotic approximations of Gaussian neural networks via second-order Poincaré inequalities

A Bordino, S Favaro, S Fortini - Proceedings of Machine …, 2024 - iris.unibocconi.it
There is a recent and growing literature on large-width asymptotic and non-asymptotic
properties of deep Gaussian neural networks (NNs), namely NNs with weights initialized as …

Hyperbolic Anderson model with Lévy white noise: Spatial ergodicity and fluctuation

R Balan, G Zheng - Transactions of the American Mathematical Society, 2024 - ams.org
In this paper, we study one-dimensional hyperbolic Anderson models (HAM) driven by
space-time pure-jump Lévy white noise in a finite-variance setting. Motivated by recent …

An MMSE lower bound via Poincare inequality

I Zieder, A Dytso, M Cardone - 2022 IEEE International …, 2022 - ieeexplore.ieee.org
This paper studies the minimum mean squared error (MMSE) of estimating X∈ ℝ d from the
noisy observation Y∈ ℝ k, under the assumption that the noise (ie, Y| X) is a member of the …

Limit theorems for Gaussian fields via Chaos Expansions and Applications

G Giorgio - arXiv preprint arXiv:2406.15801, 2024 - arxiv.org
In this PhD thesis, we apply a combination of Malliavin calculus and Stein's method in the
framework of probability approximations. The specific problems we tackle with these …

[HTML][HTML] Malliavin–Stein method: a survey of some recent developments

E Azmoodeh, G Peccati, X Yang - Modern Stochastics: Theory and …, 2021 - vmsta.org
Initiated around the year 2007, the Malliavin–Stein approach to probabilistic approximations
combines Stein's method with infinite-dimensional integration by parts formulae based on …