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- #1
- Jun 22, 2012
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I am reading Dummit and Foote Chapter 15, Section 15.1: Noetherian Rings and Affine Algebraic Sets.
Exercise 9 reads as follows:
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For k a field show that any subring of a polynomial ring k[x] containing k is Noetherian.
Give an example to show that such subrings need not be UFDs.
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Can someone please help me get started on this problem?
Peter
[Note: This has also been posted on MHF]
Exercise 9 reads as follows:
------------------------------------------------------------------------------------------------
For k a field show that any subring of a polynomial ring k[x] containing k is Noetherian.
Give an example to show that such subrings need not be UFDs.
-----------------------------------------------------------------------------------------------
Can someone please help me get started on this problem?
Peter
[Note: This has also been posted on MHF]
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