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Nov 9, 2011 at 19:25 comment added Alex Depends on your definition of "geometry". Discrete valuation rings of equal characteristic $p$ don't have to be excellent, and if you do analytic geometry in positive characteristic you can encounter them.
Nov 9, 2011 at 12:54 comment added Karl Schwede Perhaps it should be said that essentially all rings appearing in geometry are excellent, and thus Japanese.
Nov 8, 2011 at 12:16 vote accept Sasha
Nov 8, 2011 at 10:45 history answered Alex CC BY-SA 3.0