Skip to main content

All Questions

Filter by
Sorted by
Tagged with
2 votes
0 answers
52 views

When localization commutes with arbitrary intersection of ideals

For a commutative ring with identity we know that in general localization does not commute with arbitrary intersection of ideals. I am looking for a paper that considers equivalent condition(s) for ...
Ya MA e. r's user avatar
2 votes
1 answer
206 views

Localization of quasi-excellent rings are quasi-excellent?

If $R$ is a quasi-excellent ring, then is $R_{\mathfrak p}$ also quasi-excellent for every prime ideal $\mathfrak p$ of $R$ ? I think Matsumura's commutative ring theory book says that localization of ...
Alex's user avatar
  • 480
0 votes
1 answer
215 views

Does $\sum_ia\cap b_i=a\cap(\sum_ib_i)$ and $a(\bigcap_i b_i)=\bigcap_iab_i$ for infinite sums and intersections in arithmetic rings (Prufer domains)?

Note: Please let me know if this question is too basic for MathOverflow. It is about a subject commonly taught in graduate school (commutative algebra), and is based in large part on a (very ...
hasManyStupidQuestions's user avatar