Top network posts

• 86 Are there any mathematics that could only be learned by very few people?
• 62 Abstract nonsense proof of snake lemma
• 38 Projection is an open map
• 32 Proving that free modules are flat (without appealing projective modules)
• 20 How should I think about very ample sheaves?
• 20 How to un-escape a backslash-escaped string?
• 19 Simple example of an ample line bundle that is not very ample
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