Top network posts

• 40 Geometric interpretation for complex eigenvectors of a 2×2 rotation matrix
• 38 Ring of integers is a PID but not a Euclidean domain
• 21 If two norms are equivalent on a dense subspace of a normed space, are they equivalent?
• 20 Invertible matrices over a commutative ring and their determinants
• 20 When is an accumulation point not the limit of some sequence in a topological space?
• 19 Prove $G/\ker \phi \times \ker \phi \cong G$
• 18 What exactly does conjugation mean?
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