Mathematics
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Wei Xia

Apparently, this user prefers to keep an air of mystery about them.

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  • China
  • Member for 7 years
  • 105 profile views
  • Last seen Aug 22 at 0:55

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Top posts (21) All Questions Answers | Votes Newest

12 Localization does not commute canonically with infinite direct products Jul 8 '14
7 $k$-algebra homomorphism of the polynomial ring $k[x_1,\dots,x_n]$ Aug 15 '14
5 Plane curves isomorphic to the affine line Sep 10 '14
4 Coordinate ring of the product of projective variety Jul 26 '14
3 Some questions about Hartshorne chapter 2 proposition 2.6 Sep 7 '14
3 Why Can't we define the differentiation of vector fields in the same way as in $\mathbb{R^{n}}$ Mar 4 '13
3 Show that we can define a connection on any manifold using partitions of unity Mar 10 '13
3 An invariant subset problem Feb 26 '14
2 Construction of quotient manifolds Dec 4 '14
2 Is the singular locus of a variety (as a variety itself) a smooth variety? Jul 29 '16
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