Top network posts

• 14 Galois group of the quintic polynomial $X^5+X+1$
• 11 "Nice proof" that the unit of the left Kan extension of $F$ is an isomorphism, if $F$ is fully faithful
• 9 Why is the moduli space of gradient flow lines $\widehat{\mathcal M}(p,q) = \mathcal M(p,q) / \mathbb R$ a smooth manifold?
• 7 Example: a pair of nonisomorphic parallel morphisms with isomorphic cones
• 7 What are zero divisors used for?
• 6 Do weak equivalences in a model category admit a calculus of fractions?
• 6 $A_\infty$-categories and their equivalent dg-categories: the case of $\mathcal{RH}om(\mathcal A,\mathcal B)$
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