1 citations · 1 across the 3 of their papers we have counts for
3 papers
q-fin.ST2020★ 1 cited
Investigation of Flash Crash via Topological Data Analysis
Wonse Kim, Younng-Jin Kim, Gihyun Lee +1
Topological data analysis has been acknowledged as one of the most successful mathematical data analytic methodologies in various fields including medicine, genetics, and image ana…
math.CO2018
Winding number and Cutting number of Harmonic cycle
Younng-Jin Kim, Woong Kook
A harmonic cycle , also called a discrete harmonic form, is a solution of the Laplace's equation with the combinatorial Laplace operator obtained from the boundary operators of…
math.CO2017
A combinatorial interpretation of harmonic cycles
Younng-Jin Kim
In this paper, we will investigate a harmonic cycle (discrete harmonic form). With a CW-complex, we can construct the combinatorial Laplacian operator. The kernel of the operator i…