2 papers
math.AC2018
Nilpotence of Frobenius actions on local cohomology and Frobenius closure of ideals
Thomas Polstra, Pham Hung Quy
The study of Frobenius actions on local cohomology modules over a local ring of prime characteristic has interesting connections with the theory of tight closure. This paper establ…
math.AC2017
Tight closure of parameter ideals in local rings -rational on the punctured spectrum
Pham Hung Quy
Let be an excellent equidimensional local ring of characteristic . The aim of this paper is to show that does not…