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Born to be proud
  • Member for 5 years, 9 months
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Top posts
5
Is $S$ a smooth submanifold of $M$?
Oct 6, 2019
3
How to show this last condition is equivalent to saying the bilinear form in the proposition is nondegenerate?
May 31
2
Is $H$ closed in $G$?
Oct 6, 2019
2
Should the identity labelled by red line be $\overline{f(Z)}=X$?
Nov 24, 2021
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9
A problem about abelian group
8
The unit tangent bundle for submanifold $M^{m}\subset \mathbb{R}^{n}$ is a (2m-1)-dim submanifold
7
graded ring and homogeneous ideal
7
Are these conditions equivalent to the definition of regular coordinate ball?
7
Is a differentiable manifold Hausdorff?