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Jan 4, 2022 at 16:30 history edited 温泽海 CC BY-SA 4.0
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Jan 4, 2022 at 1:24 comment added Torsten Schoeneberg @ArturoMagidin: I think OP refers to the fact that in a PID, nonzero prime ideals are maximal. (Since there are non-PIDs where this is true, it is doubtful how much this fact would help to visualize PIDs, whatever that might mean ...)
Jan 3, 2022 at 16:24 comment added Lee Mosher How much algebraic number theory do you know? Principal ideals and principal ideal domains play a particularly prominent role in the study of rings of integers in number fields (over, say, $\mathbb Q$).
Jan 3, 2022 at 16:02 history edited 温泽海 CC BY-SA 4.0
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Jan 3, 2022 at 5:49 comment added Arturo Magidin Maximal ideals are prime, not necessarily the other way around. $(x)$ is prime in $\mathbb{Z}[x]$, but not maximal.
Jan 3, 2022 at 5:48 history edited Arturo Magidin CC BY-SA 4.0
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Jan 3, 2022 at 5:46 comment added Torsten Schoeneberg It's "principal" not "principle".
Jan 3, 2022 at 5:35 answer added Steven Creech timeline score: 4
Jan 3, 2022 at 5:06 history asked 温泽海 CC BY-SA 4.0