3 citations · 7 across the 9 of their papers we have counts for
9 papers
An Adaptive Dual-level Reinforcement Learning Approach for Optimal Trade Execution
Soohan Kim, Jimyeong Kim, Hong Kee Sul +1
The purpose of this research is to devise a tactic that can closely track the daily cumulative volume-weighted average price (VWAP) using reinforcement learning. Previous studies o…
On the convergence analysis of the decentralized projected gradient descent method
Woocheol Choi, Jimyeong Kim
In this work, we are concerned with the decentralized optimization problem: \begin{equation*} \min_{x \in Ω}~f(x) = \frac{1}{n} \sum_{i=1}^n f_i (x), \end{equation*} where $Ω\subse…
Evaluating Feature Attribution Methods for Electrocardiogram
Jangwon Suh, Jimyeong Kim, Euna Jung +1
The performance of cardiac arrhythmia detection with electrocardiograms(ECGs) has been considerably improved since the introduction of deep learning models. In practice, the high p…
On the convergence of decentralized gradient descent with diminishing stepsize, revisited
Woocheol Choi, Jimyeong Kim
Distributed optimization has received a lot of interest in recent years due to its wide applications in various fields. In this work, we revisit the convergence property of the dec…
Gradient-push algorithm for distributed optimization with event-triggered communications
Jimyeong Kim, Woocheol Choi
Decentralized optimization problems consist of multiple agents connected by a network. The agents have each local cost function, and the goal is to minimize the sum of the function…
Quantum revivals and fractality for the Schrödinger equation
Gunwoo Cho, Jimyeong Kim, Seongyeon Kim +2
We investigate the behavior of the Schrödinger equation under the influence of potentials, focusing on its relationship to quantum revivals and fractality. Our findings reveal that…
On the radius of spatial analyticity for the Klein-Gordon-Schrödinger system
Jaeseop Ahn, Jimyeong Kim, Ihyeok Seo
In this paper, we study the persistence of spatial analyticity for the solutions to the Klein-Gordon-Schrödinger system, which describes a physical system of a nucleon field intera…
Lower bounds on the radius of spatial analyticity for the Kawahara equation
Jaeseop Ahn, Jimyeong Kim, Ihyeok Seo
In this paper we obtain lower bounds on the radius of spatial analyticity of solutions to the Kawahara equation , , given initial da…
On the radius of spatial analyticity for defocusing nonlinear Schrödinger equations
Jaeseop Ahn, Jimyeong Kim, Ihyeok Seo
In this paper we study spatial analyticity of solutions to the defocusing nonlinear Schrödinger equations , given initial data which is analytic with fixed…