Tagged Questions
1
vote
0answers
25 views
Classification theorem of the coverings of a given space
I'm trying a lot to find easy examples of classification theorems of covering spaces of a given space. I've already read some examples here at Mathexchange such as
Classification of covering spaces ...
2
votes
0answers
41 views
Global sections of covering spaces
Let $p:C\to X$ be a covering space having a global section $s:X\to C$. I can show that this implies that $s(X)$ is disconnected from the rest of $C$.
Is there any reference where this is explicitly ...
1
vote
0answers
75 views
Completelly cover area with minimum number of maxed circles NP-completeness (or harder) proof
everyone.
I'm looking for paper with proof of NP-completeness following, or similar problem.
Given:
Area $S \subset \mathbb{N}^2$, let it be convex or rectangular, I believe it doesn't matter
...
