Recently I am reading some lecture notes about Fiber Bu … 继续阅读What makes a global section over a bundle so precious?
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An Inportant Example in the Sheaf Morphism
I mainly want to improve the familarity of me to the la … 继续阅读An Inportant Example in the Sheaf Morphism
The Flow of a fundamental vector field preserves the symplectic form…
Today I was reading the Michèle Audin's book, there is … 继续阅读The Flow of a fundamental vector field preserves the symplectic form…
A workshop on “The Higher Structures in the Geometry and Physics”
Recently, a workshop named "The Higher Structures in Ge … 继续阅读A workshop on “The Higher Structures in the Geometry and Physics”
There are no symplectic structures on spheres with dimension bigger than 2
For a 2-sphere $latex S^2$, there is a cannonical sympl … 继续阅读There are no symplectic structures on spheres with dimension bigger than 2
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