2 papers
math.CO2026
Ollivier Ricci curvature on graphs obtained by removing edges from complete graphs
Yui Asai, Taiki Yamada
Under what conditions does the sign of the Ollivier Ricci curvature on a graph of a certain order change? In this paper, we discuss the curvature of graphs obtained by removing edg…
cs.GT2025
Network analysis using Forman curvature and Shapley values on hypergraphs
Taiki Yamada
In recent years, network models have become more complex with the development of big data. Therefore, more advanced network analysis is required. In this paper, we introduce a new…