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Andrew Parker's user avatar
Andrew Parker's user avatar
Andrew Parker
  • Member for 14 years, 3 months
  • Last seen more than 9 years ago
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Commutative algebraist with topoi fascinations.

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Top posts
question
7
An example of a rank one projective R-Module that is not invertible
Jul 2, 2011
answer
5
What is your favorite "strange" function?
Nov 13, 2010
answer
5
An elementary problem in Euclidean geometry
Apr 27, 2011
question
4
Example or classification of existentially closed modules
Oct 30, 2010
question
1
Projective Modules and their Determinants, Extended or not?
Jul 13, 2012
answer
1
The correspondence between affine vector bundles and f.g. projective modules
Nov 2, 2010
Top network posts
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7
Debian server loses default gateway sporadically
6
Proving $\alpha : \mathbb{Z}_{mn} \rightarrow \mathbb{Z}_m \times \mathbb{Z}_n$ is injective.
6
Example of height $n$ ideal with $I/I^2$ (locally) $n$-generated, but $I$ is not.
5
If $p$ and $q$ are prime ideals in a ring such that $p\subsetneq q$ is ht$(p)<$ht$(q)$