Top network posts

• 30 Ring of integers is a PID but not a Euclidean domain
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• 18 Prove $G/\ker \phi \times \ker \phi \cong G$
• 16 Invertible matrices over a commutative ring and their determinants
• 16 When is an accumulation point not the limit of some sequence in a topological space?
• 15 How to complete Vakil's proof that the composition of projective morphisms are projective when the target is quasicompact?
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