Dedicated to Lin-Fang Hou, Wen Shen, Zheng-Tong Xie, Ji … 继续阅读On the Characteristic Varieties on Surfaces

I recently read a very interesting answer, that is abou … 继续阅读Conjugation on Vector Spaces and on Vector Bundles

It is well-known from algebraic topology and differenti … 继续阅读Euler Class is JUST the 1st Obstruction to the Existence of a Non-vanishing section.

The style of this blog is pretty Cartan-ian Recently, I … 继续阅读Some Computations on Lie Groups

When I learned the theory of Vector Bundles at the firs … 继续阅读Some Remarks of Vector Bundles

(This is a huge project for me, since some details are … 继续阅读Hamiltonian Dynamical Systems: Arnold Conjecture

Let $latex \mathbb{T}^2=\mathbb{S}^1\times\mathbb{S}^1$ … 继续阅读A Concrete Computation of Moment Map

This is a joint work with Ziyang Zhu. 1. The Transition … 继续阅读Some Computations of Line Bundles on Riemann Sphere