2 papers
math.AG2021
Deciding Stability of Sheaves on Curves
Holger Brenner, Jonathan Steinbuch
We give an algorithm to determine whether a kernel sheaf over a smooth projective curve over an algebraically closed field is semistable. The algorithm uses symmetric powers to mak…
math.AC2017
Tight closure and continuous closure
Holger Brenner, Jonathan Steinbuch
We show that for ideals primary to a maximal ideal in a normal domain of finite type over the complex numbers, its tight closure is contained inside the continuous closure.