double cover
C48111
concept
A double cover is a two-to-one surjective map between spaces (often topological or algebraic) such that every point in the target has exactly two preimages, typically forming a covering space or branched covering structure.
All labels observed (1)
| Label | Occurrences |
|---|---|
| double cover canonical | 2 |
Description generation (CDg)
The one-sentence description above was generated by prompting gpt-5.1 with the class name and this instruction.
Instruction
generate a one-sentence description for a given conceptual class. # Response Format Return only the sentence: "Description: [one-sentence description of the conceptional class]"
Input
Class: double cover
Generated description
A double cover is a two-to-one surjective map between spaces (often topological or algebraic) such that every point in the target has exactly two preimages, typically forming a covering space or branched covering structure.
Instances (2)
| Instance | Via concept surface |
|---|---|
| Spin(2,d) | — |
| metaplectic group | — |