activity
20202025
most citedSolving incompressible Navier--Stokes equations on irregular domains and quadtrees by monolithic approach

6 citations · 12 across the 8 of their papers we have counts for

collaborators

9 papers

cs.LG2025★ 2 cited

Neural Shortest Path for Surface Reconstruction from Point Clouds

Yesom Park, Imseong Park, Jooyoung Hahn +1

In this paper, we propose the neural shortest path (NSP), a vector-valued implicit neural representation (INR) that approximates a distance function and its gradient. The key featu…

math.NA2024

Localized Estimation of Condition Numbers for MILU Preconditioners on a Graph

Geonho Hwang, Yesom Park, Yueun Lee +2

This paper proposes a theoretical framework for analyzing Modified Incomplete LU (MILU) preconditioners. Considering a generalized MILU preconditioner on a weighted undirected grap…

cs.LG2024

Beyond Derivative Pathology of PINNs: Variable Splitting Strategy with Convergence Analysis

Yesom Park, Changhoon Song, Myungjoo Kang

Physics-informed neural networks (PINNs) have recently emerged as effective methods for solving partial differential equations (PDEs) in various problems. Substantial research focu…

cs.CV2023★ 1 cited

-Poisson surface reconstruction in curl-free flow from point clouds

Yesom Park, Taekyung Lee, Jooyoung Hahn +1

The aim of this paper is the reconstruction of a smooth surface from an unorganized point cloud sampled by a closed surface, with the preservation of geometric shapes, without any…

math.NA2023★ 1 cited

ReSDF: Redistancing Implicit Surfaces using Neural Networks

Yesom Park, Chang hoon Song, Jooyoung Hahn +1

This paper proposes a deep-learning-based method for recovering a signed distance function (SDF) of a given hypersurface represented by an implicit level set function. Using the fl…

cs.LG2023

Restoration based Generative Models

Jaemoo Choi, Yesom Park, Myungjoo Kang

Denoising diffusion models (DDMs) have recently attracted increasing attention by showing impressive synthesis quality. DDMs are built on a diffusion process that pushes data to th…

cs.LG2023★ 1 cited

Learning PDE Solution Operator for Continuous Modeling of Time-Series

Yesom Park, Jaemoo Choi, Changyeon Yoon +2

Learning underlying dynamics from data is important and challenging in many real-world scenarios. Incorporating differential equations (DEs) to design continuous networks has drawn…

math.NA2021★ 6 cited

Solving incompressible Navier--Stokes equations on irregular domains and quadtrees by monolithic approach

Hyuntae Cho, Yesom Park, Myungjoo Kang

We present a second-order monolithic method for solving incompressible Navier--Stokes equations on irregular domains with quadtree grids. A semi-collocated grid layout is adopted,…

math.NA2020★ 1 cited

A second-order accurate semi-Lagrangian method for convection-diffusion equations with interfacial jumps

Hyuntae Cho, Yesom Park, Myungjoo Kang

In this paper, we present a second-order accurate finite-difference method for solving convectiondiffusion equations with interfacial jumps on a moving interface. The proposed meth…