Topology of the diffeomorphism group

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SUMMARY

The discussion focuses on the topology of the diffeomorphism group of compact Riemann surfaces, specifically the study of path components or isotopy classes. The participant emphasizes the necessity of defining continuity through an appropriate topology on the diffeomorphism group. The classical reference cited for this topic is Augustin Bangaya's work, "The Structure of Classical Diffeomorphism Groups," which provides foundational insights into the subject.

PREREQUISITES
  • Understanding of Riemann surfaces
  • Familiarity with diffeomorphism concepts
  • Knowledge of topology, particularly open sets
  • Basic grasp of isotopy classes
NEXT STEPS
  • Research "Topology of Diffeomorphism Groups" for foundational theories
  • Study "Isotopy and Path Components" to understand their implications in topology
  • Explore Augustin Bangaya's "The Structure of Classical Diffeomorphism Groups" for advanced insights
  • Investigate continuity in topological spaces to apply it to diffeomorphism groups
USEFUL FOR

Mathematicians, particularly those specializing in topology and differential geometry, as well as graduate students studying Riemann surfaces and diffeomorphism groups.

electroweak
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I would like to study the path components (isotopy classes) of the diffeomorphism group of some compact Riemann surface. To make sense of path connectedness, I require a notion of continuity; hence, I require a notion of an open set of diffeomorphisms. What sort of topology should I put on the diffeomorphism group?
 
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The classical reference is

Augustin Bangaya, The Structure of Classical Diffeomorphism Groups
 

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