Lee, Youngkyu
- Fast meta-solvers for 3D complex-shape scatterers using neural operators trained on a non-scattering problem
2024/05/20 by Lee, Youngkyu, Liu, Shanqing, Zongren Zou +11 · 5 citations
Engineering · Physics and Astronomy · #Microwave Imaging and Scattering Analysis #Electromagnetic Scattering and Analysis #Advanced SAR Imaging Techniques
- Data-Efficient Deep Operator Network for Unsteady Flow: A Multi-Fidelity Approach with Physics-Guided Subsampling
2025/03/23 by Sunwoong Yang, Youngkyu Lee, Yang, Sunwoong +3 · 1 citation
Engineering · Physics and Astronomy · Computer Science · #Lattice Boltzmann Simulation Studies #Model Reduction and Neural Networks #Image and Signal Denoising Methods
- Leveraging Operator Learning to Accelerate Convergence of the Preconditioned Conjugate Gradient Method
2025/07/31 by Kopaničáková, Alena, Lee, Youngkyu, Karniadakis, George Em · 4 citations
#49K20 #65M55 #68T05 #FOS: Computer and information sciences #FOS: Mathematics #Machine Learning (cs.LG) #Numerical Analysis (math.NA) #Optimization and Control (math.OC)
- A Neural-Operator Preconditioned Newton Method for Accelerated Nonlinear Solvers
2025/11/11 by Youngkyu Lee, Lee, Youngkyu, Shanqing Liu +5 · 1 citation
Mathematics · Physics and Astronomy · #65F08 #65F10 #65M55 #68T07 #90C06 #Advanced Optimization Algorithms Research #FOS: Computer and information sciences #FOS: Mathematics #Iterative Methods for Nonlinear Equations #Machine Learning (cs.LG) #Model Reduction and Neural Networks #Numerical Analysis (math.NA)