2 papers
math.CO2026
Domination in Johnson graphs J(n, 3) for odd n
Seung-ah Lee, Semin Oh
In 2025 Cornet, Dravec, and Torres determined the domination number of the Johnson graph for every even , expressing it as a closed form in terms of F…
cs.CG2026
Denoising data reduction algorithm for Topological Data Analysis
Seonmi Choi, Semin Oh, Jeong Rye Park +1
Persistent homology is a central tool in topological data analysis, but its application to large and noisy datasets is often limited by computational cost and the presence of spuri…