Polar spaces are a fascinating area of study in geometry and combinatorics, focusing on the relationships between points, lines, and planes in various geometric configurations. Recent research has ...

In this paper, the properties of the generalized inverse of an arbitrary incidence matrix are examined in connection with the properties of the network flows in the corresponding directed graph and a ...

Active Power Flow,Active Power Injection,Angle Measurements,First Fundamental,Gram Matrix,Graph Theory,Incidence Matrix,Jacobian Matrix,Local Index,Local Observations ...

Abstract: The matrix operation modeling method of electric-thermal-natural gas interconnection multi-energy system based on graph theory is proposed in this paper. Firstly, on the basis of obtaining ...