# pk0012新月传奇

## 单职业传奇新服网pk0012新月传奇只做全球最方便的传奇代理平台，在传奇似发1.95当中发布大量最新游戏开区信息，找沉默传奇sf网发服网每天更新最新开服表，是传奇爱好者们的最可靠的发布网。

5,519 questions
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### 新开合击

I read lots of journal papers that had used Dual laplacian, but didn't find any theory. So plz help me witht dual laplcian and give some link for study materials Thanks
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### 网通传奇合击私服

I have a question about the manifold, especially when the manifold is as well a vector space of finite dimensional $k$. Actually, let $(v_1, \dots, v_k)$ be a basis of F as a vector space. I would ...
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### 传奇私服发布站

The unit sphere $n$ dimensional is the set $$\mathbb{S}^n=\bigg\{(x_1,x_2,\dots, x_{n+1})\in\mathbb{R}^{n+1}\;|\;\big(x_1^2+x_2^2+\cdots+x_{n+1}^2\big)^{1/2}=1\bigg\}.$$ For all $i=1,\dots, n+1$ ...
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### 100仿盛大传奇

I'm trying to prove that the universal cover of $S^1 \times S^2$ is $\mathbb{R}^3 \setminus \{0\}$. I know that the universal cover of $S^1$ is $\mathbb{R}$ and the universal cover of $S^2$ is $S^2$. ...
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### 1.90版传奇

I’m having difficulty solving this problem. Could you tell me how to prove this? I showed the intersection with two variables, but still don’t see how to prove that it’s a manifold. ↓the problem and ...
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### 轻变传奇私服发布网

In wikipedia there is a proof for 3-manifolds that I don't understand. It says that if $M$ is an irreducible manifold and we express $M=N_1\sharp N_2$, then $M$ is obtained by removing a ball each ...
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