Poincare Conjecture and Elliptization Conjecture
1. Poincare Conjecture 定理 1 (Poin …
Poincare Conjecture and Elliptization Conjecture Read more »
分类： 数学笔记
Principle Bundle, Associated bundle, Gauge Group and Connections
Let $M$ be compact riemannian manifold w …
Principle Bundle, Associated bundle, Gauge Group and Connections Read more »
[转载]What’s a Gauge?
From: Terence Tao’s blog: WhatR …
标准的椭圆理论:一个能量不等式
命题 1. 假设$u$是方程 $$ 0=\Delta u-\frac{1}{2} …
几何分析中的变分问题与方法
这是丁伟岳院士的一个Talk, 原文链接在其主页上有: 几何分析中的变分问题与方 …
A Proof of Trigonometric Formulas in the Plane of Constant Curvature
$\newcommand{\pr}{\left.\frac{\partial}{ …
A Proof of Trigonometric Formulas in the Plane of Constant Curvature Read more »