Lyubeznik resolutions and the arithmetical rank of monomial ideals

Kyouko Kimura
2009 Proceedings of the American Mathematical Society  
In this paper, we prove that the length of a Lyubeznik resolution of a monomial ideal gives an upper bound for the arithmetical rank of the ideal.
doi:10.1090/s0002-9939-09-09950-x fatcat:cuyganyfxza5lprv54uoahmx3q