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20222025
most citedDiscontinuous Galerkin Methods for an Elliptic Optimal Control Problem with a General State Equation and Pointwise State Constraints

6 citations · 7 across the 5 of their papers we have counts for

collaborators

5 papers

math.OC2025

Prox-PINNs: A Deep Learning Algorithmic Framework for Elliptic Variational Inequalities

Yu Gao, Yongcun Song, Zhiyu Tan +2

Elliptic variational inequalities (EVIs) present significant challenges in numerical computation due to their inherent non-smoothness, nonlinearity, and inequality formulations. Tr…

math.NA2023

A new finite element method for elliptic optimal control problems with pointwise state constraints in energy spaces

Wei Gong, Zhiyu Tan

In this paper we propose a new finite element method for solving elliptic optimal control problems with pointwise state constraints, including the distributed controls and the Diri…

math.OC2023

On Lagrange multipliers of constrained optimization in Hilbert spaces

Zhiyu Tan

In this paper we introduce the essential Lagrange multiplier and establish the solid mathematical foundation of constrained optimization in Hilbert spaces with sharp results on the…

math.NA2023★ 6 cited

Discontinuous Galerkin Methods for an Elliptic Optimal Control Problem with a General State Equation and Pointwise State Constraints

Sijing Liu, Zhiyu Tan, Yi Zhang

We investigate discontinuous Galerkin methods for an elliptic optimal control problem with a general state equation and pointwise state constraints on general polygonal domains. We…

math.NA2022★ 1 cited

Convergence analysis of the Schwarz alternating method for unconstrained elliptic optimal control problems

Wei Gong, Felix Kwok, Zhiyu Tan

In this paper we analyze the Schwarz alternating method for unconstrained elliptic optimal control problems. We discuss the convergence properties of the method in the continuous c…