Timeline for Is it true that, as $\Bbb Z$-modules, the polynomial ring and the power series ring over integers are dual to each other?
Current License: CC BY-SA 4.0
15 events
| when toggle format | what | by | license | comment | |
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| S Apr 2, 2019 at 17:57 | history | suggested | user26857 | CC BY-SA 4.0 |
direct link
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| Apr 2, 2019 at 17:17 | review | Suggested edits | |||
| S Apr 2, 2019 at 17:57 | |||||
| Jan 9, 2010 at 14:57 | comment | added | Hailong Dao | I think that is because we need at least 2 height one primes. | |
| Jan 9, 2010 at 9:00 | comment | added | Maharana | That's an interesting generalisation in your link! I didn't expect that $Z$ not being local had anything to do with the question. | |
| Jan 8, 2010 at 22:03 | history | edited | Hailong Dao | CC BY-SA 2.5 |
added 185 characters in body
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| Dec 31, 2009 at 18:19 | comment | added | Hailong Dao | Thanks for the comments. Please feel free to vote it down! | |
| Dec 31, 2009 at 16:44 | comment | added | Harry Gindi | What if the morphism is a morphism of topological groups? | |
| Dec 31, 2009 at 16:30 | comment | added | Ilya Nikokoshev |
@Hailong, I fixed the strike tag: closing the tag with </> won't work in HTML documents in most browsers.
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| Dec 31, 2009 at 16:29 | history | edited | Ilya Nikokoshev | CC BY-SA 2.5 |
fixed strike tag
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| Dec 31, 2009 at 15:26 | comment | added | Gerald Edgar | Voting Hailong down is not even contemplated. Voting a wrong answer down is. He should not take it personally, I think. | |
| Dec 31, 2009 at 9:34 | comment | added | Georges Elencwajg | Hailong made a mistake and gracefully acknowledged it. I think this is no reason to vote him down. | |
| Dec 31, 2009 at 7:51 | history | edited | Hailong Dao | CC BY-SA 2.5 |
added 19 characters in body
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| Dec 31, 2009 at 7:04 | comment | added | Hailong Dao | You are right! Silly me! | |
| Dec 31, 2009 at 6:54 | comment | added | Qiaochu Yuan | f being a homomorphism does not imply that f preserves infinite sums. | |
| Dec 31, 2009 at 6:51 | history | answered | Hailong Dao | CC BY-SA 2.5 |