Top network posts

• 16 Can you give me an example of topological group which is not a Lie group.
• 10 Are there some tables or handbooks of homology and homotopy groups of every manifold which has been calculated?
• 8 Is there some Riemannian manifold's version of Whitney theorem?
• 6 Examples about that $\exp(X+Y)=\exp(X) \exp(Y)$ does not imply $[X,Y]=0$ where $X,Y$ are $n \times n $ matrix
• 6 Which textbook of differential geometry will introduce conformal transformation?
• 5 Do real-analytic functions always extend uniquely to complex-analytic functions on $\mathbb{C}$?
• 5 Can anyone give an example of Ricci flat Riemannian or Lorentzian Manifold that is not flat?
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