activity
20152025
most citedResidual-based a Posteriori Error Estimate for Interface Problems: Nonconforming Linear Elements

16 citations · 63 across the 16 of their papers we have counts for

collaborators

16 papers

math.NA2025

Elliptic interface problem approximated by CutFEM: I. Conservative flux recovery and numerical validation of adaptive mesh refinement

Daniela Capatina, Aimene Gouasmi, Cuiyu He

We study an elliptic interface problem with discontinuous diffusion coefficients on unfitted meshes using the CutFEM method. Our main contribution is the reconstruction of conserva…

cs.LG2024

NODE-AdvGAN: Improving the transferability and perceptual similarity of adversarial examples by dynamic-system-driven adversarial generative model

Xinheng Xie, Yue Wu, Cuiyu He

Understanding adversarial examples is crucial for improving model robustness, as they introduce imperceptible perturbations to deceive models. Effective adversarial examples, there…

math.NA2023

Best approximation results and essential boundary conditions for novel types of weak adversarial network discretizations for PDEs

Silvia Bertoluzza, Erik Burman, Cuiyu He

In this paper, we provide a theoretical analysis of the recently introduced weakly adversarial networks (WAN) method, used to approximate partial differential equations in high dim…

eess.IV2023

NODE-ImgNet: a PDE-informed effective and robust model for image denoising

Xinheng Xie, Yue Wu, Hao Ni +1

Inspired by the traditional partial differential equation (PDE) approach for image denoising, we propose a novel neural network architecture, referred as NODE-ImgNet, that combines…

hep-th2023★ 11 cited

p-Adic Statistical Field Theory and Convolutional Deep Boltzmann Machines

W. A. Zúñiga-Galindo, Cuiyu He, B. A. Zambrano-Luna

Understanding how deep learning architectures work is a central scientific problem. Recently, a correspondence between neural networks (NNs) and Euclidean quantum field theories (Q…

math.NA2021★ 15 cited

Towards fast weak adversarial training to solve high dimensional parabolic partial differential equations using XNODE-WAN

Paul Valsecchi Oliva, Yue Wu, Cuiyu He +1

Due to the curse of dimensionality, solving high dimensional parabolic partial differential equations (PDEs) has been a challenging problem for decades. Recently, a weak adversaria…

math.OC2020

Optimal Control of Convection-Cooling and Numerical Implementation

Cuiyu He, Weiwei Hu, Lin Mu

This paper is concerned with the problem of enhancing convection-cooling via active control of the incompressible velocity field, described by a stationary diffusion-convection mod…

math.NA2020

Comparison of Shape Derivatives using CutFEM for Ill-posed Bernoulli Free Boundary Problem

Erik Burman, Cuiyu He, Mats G. Larson

In this paper we discuss a level set approach for the identification of an unknown boundary in a computational domain. The problem takes the form of a Bernoulli problem where only…

math.NA2020

An a posteriori error estimate of the outer normal derivative using dual weights

Silvia Bertoluzza, Erik Burman, Cuiyu He

We derive a residual based a-posteriori error estimate for the outer normal flux of approximations to {the diffusion problem with variable coefficient}. By analyzing the solution o…

math.NA2020★ 2 cited

Generalized Prager-Synge Inequality and Equilibrated Error Estimators for Discontinuous Elements

Cuiyu He, Zhiqiang Cai, Shun Zhang

The well-known Prager-Synge identity is valid in and serves as a foundation for developing equilibrated a posteriori error estimators for continuous elements. In this pape…

math.NA2019

Residual-based a posteriori error estimation for immersed finite element methods

Cuiyu He, Xu Zhang

In this paper we introduce and analyze the residual-based a posteriori error estimation of the partially penalized immersed finite element method for solving elliptic interface pro…

math.NA2019★ 14 cited

A Posteriori Error Estimates with Boundary Correction for a Cut Finite Element Method

Erik Burman, Cuiyu He, Mats G. Larson

In this work we study a residual based a posteriori error estimation for the CutFEM method applied to an elliptic model problem. We consider the problem with non-polygonal boundary…

math.NA2018★ 2 cited

Primal dual mixed finite element methods for indefinite advection--diffusion equations

Erik Burman, Cuiyu He

We consider primal-dual mixed finite element methods for the advection--diffusion equation. For the primal variable we use standard continuous finite element space and for the flux…

math.NA2016★ 16 cited

Residual-based a Posteriori Error Estimate for Interface Problems: Nonconforming Linear Elements

Zhiqiang Cai, Cuiyu He, Shun Zhang

In this paper, we study a modified residual-based a posteriori error estimator for the nonconforming linear finite element approximation to the interface problem. The reliability o…

math.NA2015★ 2 cited

Finite Element Methods for Interface Problems: Robust Residual-Based A Posteriori Error Estimates

Zhiqiang Cai, Cuiyu He, Shun Zhang

For elliptic interface problems, this paper studies residual-based a posteriori error estimations for various finite element approximations. For the conforming and the Raviart-Thom…

math.NA2015★ 1 cited

Improved ZZ A Posteriori Error Estimators for Diffusion Problems: Conforming Linear Elements

Zhiqiang Cai, Cuiyu He, Shun Zhang

In \cite{CaZh:09}, we introduced and analyzed an improved Zienkiewicz-Zhu (ZZ) estimator for the conforming linear finite element approximation to elliptic interface problems. The…