3 citations · 4 across the 5 of their papers we have counts for
Showing 2004Show all
2 papers · 1 filter
math.AC2004★ 1 cited
Lefschetz extensions, tight closure, and big Cohen-Macaulay algebras
Matthias Aschenbrenner, Hans Schoutens
We associate to every equicharacteristic zero Noetherian local ring a faithfully flat ring extension which is an ultraproduct of rings of various prime characteristics, in a we…
math.AC2004
The asymptotic behavior of solid closure in mixed characteristic
Hans Schoutens
We study how solid closure in mixed characteristic behaves after taking ultraproducts. The ultraproduct will be chosen so that we land in equal characteristic, and therefore can ma…