2 papers
math.AC2026
Associated primes of powers of closed neighborhood ideals and diameters of graphs
Ha Thi Thu Hien, Thanh Vu
Let be a simple connected graph and an integer. We prove that if the maximal homogeneous ideal is an associated prime of the th power of the closed neighborhood id…
math.AC2025
Associated primes of the second power of closed neighborhood ideals of graphs
Ha Thi Thu Hien, Thanh Vu
We study simple graphs for which the maximal homogeneous ideal is an associated prime of the second power of their closed neighborhood ideals. In particular, we show that such grap…