Generative modeling via hierarchical tensor sketching

Y Peng, Y Chen, EM Stoudenmire, Y Khoo - arxiv preprint arxiv …, 2023 - arxiv.org
We propose a hierarchical tensor-network approach for approximating high-dimensional
probability density via empirical distribution. This leverages randomized singular value …

Low-rank nonnegative tensor approximation via alternating projections and sketching

A Sultonov, S Matveev, S Budzinskiy - Computational and Applied …, 2023 - Springer
We show how to construct nonnegative low-rank approximations of nonnegative tensors in
Tucker and tensor train formats. We use alternating projections between the nonnegative …

Solving high-dimensional Fokker-Planck equation with functional hierarchical tensor

X Tang, L Ying - Journal of Computational Physics, 2024 - Elsevier
This work is concerned with solving high-dimensional Fokker-Planck equations with the
novel perspective that solving the PDE can be reduced to independent instances of density …

High-dimensional density estimation with tensorizing flow

Y Ren, H Zhao, Y Khoo, L Ying - Research in the Mathematical Sciences, 2023 - Springer
We propose the tensorizing flow method for estimating high-dimensional probability density
functions from observed data. Our method combines the optimization-less feature of the …

Atomic Quantum Technologies for Quantum Matter and Fundamental Physics Applications

J Yago Malo, L Lepori, L Gentini, ML Chiofalo - Technologies, 2024 - mdpi.com
Physics is living an era of unprecedented cross-fertilization among the different areas of
science. In this perspective review, we discuss the manifold impact that state-of-the-art cold …

Generative modeling via tree tensor network states

X Tang, Y Hur, Y Khoo, L Ying - arxiv preprint arxiv:2209.01341, 2022 - arxiv.org
In this paper, we present a density estimation framework based on tree tensor-network
states. The proposed method consists of determining the tree topology with Chow-Liu …

Tensorization of neural networks for improved privacy and interpretability

JRP Monturiol, A Pozas-Kerstjens… - arxiv preprint arxiv …, 2025 - arxiv.org
We present a tensorization algorithm for constructing tensor train representations of
functions, drawing on sketching and cross interpolation ideas. The method only requires …

Planning with tensor networks based on active inference

ST Wauthier, T Verbelen, B Dhoedt… - … Learning: Science and …, 2024 - iopscience.iop.org
Tensor networks (TNs) have seen an increase in applications in recent years. While they
were originally developed to model many-body quantum systems, their usage has …

Nonparametric Estimation via Variance-Reduced Sketching

Y Khoo, Y Peng, D Wang - arxiv preprint arxiv:2401.11646, 2024 - arxiv.org
Nonparametric models are of great interest in various scientific and engineering disciplines.
Classical kernel methods, while numerically robust and statistically sound in low …

Numerical Approximation of High-Dimensional Gibbs Distributions Using the Functional Hierarchical Tensor

N Sheng, X Tang, H Chen, L Ying - arxiv preprint arxiv:2501.17143, 2025 - arxiv.org
The numerical representation of high-dimensional Gibbs distributions is challenging due to
the curse of dimensionality manifesting through the intractable normalization constant …