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20212026
most citedA Sinkhorn-type Algorithm for Constrained Optimal Transport

1 citations · 2 across the 15 of their papers we have counts for

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math.NA2026

Variational inference and density estimation with non-negative tensor of hierarchical tucker format

Xun Tang, Haoxuan Chen, Lexing Ying

In this work, we present an efficient method to compress a high-dimensional discrete probability function, i.e., a probability tensor, into a non-negative hierarchical Tucker forma…

math.NA2025

Variational inference and density estimation with non-negative tensor train

Xun Tang, Rajat Dwaraknath, Lexing Ying

This work proposes an efficient numerical approach for compressing a high-dimensional discrete distribution function into a non-negative tensor train (NTT) format. The two settings…

math.NA2025

Initialization and training of matrix product state probabilistic models

Xun Tang, Yuehaw Khoo, Lexing Ying

Modeling probability distributions via the wave function of a quantum state is central to quantum-inspired generative modeling and quantum state tomography (QST). We investigate a…

math.NA2025

Solving the Fokker-Planck equation of discretized Dean-Kawasaki models with functional hierarchical tensor

Xun Tang, Lexing Ying

We introduce a novel numerical scheme for solving the Fokker-Planck equation of discretized Dean-Kawasaki models with a functional tensor network ansatz. The Dean-Kawasaki model de…

math.NA2025

Wavelet-based density sketching with functional hierarchical tensor

Xun Tang, Lexing Ying

We introduce the functional hierarchical tensor under a wavelet basis (FHT-W) ansatz for high-dimensional density estimation in lattice models. Recently, the functional tensor netw…

math.NA2025

Approximation of High-Dimensional Gibbs Distributions with Functional Hierarchical Tensors

Nan Sheng, Xun Tang, Haoxuan Chen +1

The numerical representation of high-dimensional Gibbs distributions is challenging due to the curse of dimensionality manifesting through the intractable normalization constant ca…

math.NA2024

Solving high-dimensional Hamilton-Jacobi-Bellman equation with functional hierarchical tensor

Xun Tang, Nan Sheng, Lexing Ying

This work proposes a novel numerical scheme for solving the high-dimensional Hamilton-Jacobi-Bellman equation with a functional hierarchical tensor ansatz. We consider the setting…

math.NA2024

Solving high-dimensional Kolmogorov backward equations with functional hierarchical tensor operators

Xun Tang, Leah Collis, Lexing Ying

Solving high-dimensional partial differential equations necessitates methods free of exponential scaling in the dimension of the problem. This work introduces a tensor network appr…

math.NA2023

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

Xun Tang, Lexing Ying

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 esti…