Top network posts

• 31 Using algebraic geometry to understand class field theory
• 22 Why should an algebraic geometer care about singular / simplicial (co)homology?
• 21 Elementary proof that $|x|^p$ is convex.
• 19 Why stable $\infty$-categories?
• 16 What is the "dimension" of a locally ringed space?
• 14 False proof that every continuous function is holomorphic
• 13 Let $A$ and $x$ be $n \times n$ and $n \times 1$ matrices, all entries real and strictly positive. Assume that $A^2 x = x$. Show that $A x = x$.
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