Homeomorphism between R and {0}xR

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SUMMARY

The discussion centers on the concept of identifying a complex manifold M with the zero section of a holomorphic vector bundle E. It establishes that the set of zero vectors across the manifold is diffeomorphic to the manifold itself, facilitated by the embedding map x -> (x, 0). Additionally, the conversation explores the homeomorphism between the real numbers R and the subset {0} x R within the Cartesian product R x R.

PREREQUISITES
  • Understanding of holomorphic vector bundles
  • Familiarity with complex manifolds
  • Knowledge of diffeomorphism and embedding concepts
  • Basic grasp of topology, specifically homeomorphism
NEXT STEPS
  • Study the properties of holomorphic vector bundles in complex geometry
  • Learn about diffeomorphisms and their applications in topology
  • Explore embedding theorems in differential geometry
  • Investigate the relationship between R and subsets of R x R in topology
USEFUL FOR

Mathematicians, particularly those specializing in complex geometry, topology, and differential geometry, will benefit from this discussion.

math6
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Hi friends !

Let E be a holomorphic vector bundle over a complex manifold M . We identify M with the zero section of E .
i would like to know what's mean "" We identify M with the zero section of E ".
thnx :)
 
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math6 said:
Hi friends !

Let E be a holomorphic vector bundle over a complex manifold M . We identify M with the zero section of E .
i would like to know what's mean "" We identify M with the zero section of E ".
thnx :)

For any vector bundle, the set of zero vectors across the manifold is diffeomorphic to the manifold. The map x->(x.0) maps the manifold to the zero section. It is easy to check that it is an embedding.
 
can you show that the real numbers R are homeomorphic to the subset {0}xR of RxR?
 

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