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Results tagged with gn.general-topology
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user 1822
Continuum theory, point-set topology, spaces with algebraic structure, foundations, dimension theory, local and global properties.
9
votes
Accepted
Can dividing out a group action can increase the Lebesgue dimension ?
There are examples of dimension-raising orbit maps arising from actions of p-adic groups. Quoting from the MathSciNet review of the following paper: Raymond, Frank; Williams, R. F. Examples of $p$-adi …
- 3,376
2
votes
Question on coverings and and their classifying spaces
The only oversight in your analysis is the statement that $S^1$ has only one covering with group $\mathbb{Z}$. It has only one CONNECTED covering with group $\mathbb Z$. It has plenty of others, such …
- 3,376