Β§ Introduction

I am an undergraduate researcher at Ulsan National Institute of Science and Technology (UNIST), advised by Prof. Dongyoung Lim at the Machine Learning & Optimization Lab. My research focuses on AI Optimization, particularly Physics-Informed Neural Networks and Sharpness-Aware Minimization.

Β§ Recent Publication All β†’

Topic : Spectral Bias in Physics-Informed Neural Networks

Youngsik Hwang, Kangjun Lee, Jeongsik Yoon, Dongyoung Lim†

Under review Β· 2026

Β§ Recent Project All β†’
2025.11 – 2025.12

SKiP: SVM weighted by K-Nearest-Neighbors and class Probability for weakening outliers

Machine Learning Course Project Β· UNIST

Implemented a KNN and probability-weighted SVM to handle feature and label outliers. Collaborated as a four-person team.

Β§ News

Starting M.S. in Mathematical Science at KAIST.

Graduating from UNIST.

Joined the Machine Learning & Optimization Lab at UNIST, advised by Prof. Dongyoung Lim.

Joined 3D Vision & Robotics Lab, UNIST, advised by Prof. Kyungdon Joo.