activity
20112026
most citedWeighted approximate sampling recovery and integration based on B-spline interpolation and quasi-interpolation

1 citations · 2 across the 9 of their papers we have counts for

collaborators

10 papers

math.NA2026

Elliptic PDEs on log-Gaussian Shapes: Sparsity and Finite Element Discretization

Dinh Dũng, Helmut Harbrecht, Van Kien Nguyen +1

In this article, we consider the solution to elliptic diffusion problems on a class of random domains obtained by log-Gaussian random homothety of the unit disk respectively an ann…

math.NA2026

Piecewise-polynomial interpolations and quadratures for parametric PDEs with log-Laplace random inputs

Dinh Dũng

We establish a sparsity in terms of -summability and weighted -summability for the coefficients of the Laguerre generalized piecewise-polynomial chaos expansion of…

math.NA2026

Sparsity for parametric PDEs with log-gamma random inputs and applications

Dinh Dũng, Van Kien Nguyen, Viet Ha Hoang

We propose a novel method for establishing the sparsity of the coefficients of the Laguerre generalized polynomial chaos expansion of solutions to parametric elliptic PDEs with log…

math.NA2026

Approximation of PDE solution manifolds: Sparse-grid interpolation and quadrature

Dinh Dũng, Van Kien Nguyen, Duong Thanh Pham +1

We study fully-discrete approximations and quadratures of infinite-variate functions in abstract Bochner spaces associated with a Hilbert space and an infinite-tensor-product J…

math.NA2025★ 1 cited

Weighted approximate sampling recovery and integration based on B-spline interpolation and quasi-interpolation

Dinh Dũng

We propose novel methods for approximate sampling recovery and integration of functions in the Freud-weighted Sobolev space . The approximation error of samp…

math.NA2021

Computation complexity of deep ReLU neural networks in high-dimensional approximation

Dinh Dũng, Van Kien Nguyen, Mai Xuan Thao

The purpose of the present paper is to study the computation complexity of deep ReLU neural networks to approximate functions in Hölder-Nikol'skii spaces of mixed smoothness $H_\in…