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Direct Products for the Hamiltonian Density Property
Rafael B Andrist1, Gaofeng Huang2
1University of Ljubljana, Ljubljana, Slovenia.
Summary
The direct product of Stein manifolds with the Hamiltonian density property retains this property. This study establishes this property for specific spaces and applies it to Hamiltonian diffeomorphisms.
Area of Science:
- Differential Geometry
- Symplectic Geometry
- Mathematical Physics
Background:
- The Hamiltonian density property is crucial in understanding geometric structures.
- Investigating properties of direct products of manifolds is fundamental in topology and geometry.
- Calogero-Moser spaces are important in integrable systems and representation theory.
Purpose of the Study:
- To demonstrate that the direct product of two Stein manifolds with the Hamiltonian density property also possesses this property.
- To explore the relationship between the Hamiltonian density property and the symplectic density property.
- To establish these properties for specific mathematical objects like (C*)^(2n) and traceless Calogero-Moser spaces.
Main Methods:
- Utilizing properties of direct products in differential geometry.
- Analyzing the interplay between Hamiltonian and symplectic densities.
- Applying techniques from geometric analysis and representation theory.
Main Results:
- The direct product of Stein manifolds with the Hamiltonian density property inherits this property.
- A clear relationship between the Hamiltonian density property and the symplectic density property is established.
- The Hamiltonian and symplectic density properties are proven for (C*)^(2n) and traceless Calogero-Moser spaces.
Conclusions:
- The closure property of the Hamiltonian density property under direct products is confirmed.
- The findings provide a deeper understanding of density properties in geometric contexts.
- A Carleman-type approximation for Hamiltonian diffeomorphisms is derived as an application.
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