2 papers
math.GT2026
Coloring-allowed Invariants and the 4-phases Functions of Knotoids
Haocong Chen, Jiacheng An, Fengling Li
In recent years, numerous polynomial invariants of knotoids have been constructed, some of which are defined with the signs of the crossings. In this paper, the coloring-allowed in…
math.AC2025
The Homology Groups of Zero Divisor Graphs of Finite Commutative Rings
Fenglin Li
This paper investigates the homology groups of the clique complex associated with the zero-divisor graph of a finite commutative ring. Generalizing the construction introduced by F…