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
作者：Alexander
The Seminar Class of Morse Theory & Topology
General Information Seminar Class Name: Morse Theory &a … 继续阅读The Seminar Class of Morse Theory & Topology
My First Day on the Blog
I'm so excited to have a blog, the feel just likes movi … 继续阅读My First Day on the Blog
My Tiny Math Home 