Top network posts

• 24 Is $\mathbb{Q}^2$ homeomorphic to $\mathbb{Q}^2\setminus \{0\}$?
• 10 Integral in $n-$dimensional euclidean space
• 9 Solving nonlinear PDE with Method Of Lines
• 8 Please calculate $\lim_{x\rightarrow 0}\frac{\ln(\cos x)}{x^2}$
• 6 Why uniform closure $\mathscr{B}$ of an algebra $\mathscr{A}$ of bounded complex functions is uniformly closed?
• 6 Homeomorphism between $S^1$ and $[0,1]/ 0\sim1$
• 6 Simplicial homology for n-simplex
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