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eess.SY2023
Characterizing bearing equivalence in directed graphs
Zhiyong Sun, Shiyu Zhao, Daniel Zelazo
In this paper, we study bearing equivalence in directed graphs. We first give a strengthened definition of bearing equivalence based on the \textit{kernel equivalence} relationship…
eess.SY2023
Modelling and Kron reduction of power flow networks in directed graphs
Ruohan Wang, Zhiyong Sun
Electrical grids are large-sized complex systems that require strong computing power for monitoring and analysis. Kron reduction is a general reduction method in graph theory and i…