All Questions

In a survey article Algebraic geometry in mixed characteristic, B. Bhatt writes For instance, given a commutative ring $R$ with a finitely generated ideal $I$, the assignment carrying $R$ to the $\...

Let $\mathcal A$ be an abelian category. In this lecture, Thomas Nikolaus Defines the unbounded derived category $\mathcal D(\mathcal A)$ as $\mathcal K(\mathcal A)[W^{-1}]$, where $\mathcal K(\...

The nicest definition of $L_\infty$-algebras ---which I will call a "Chevalley-Eilenberg" style definition after the obvious analogy with the Chevalley-Eilenberg differential of Lie algebras--- is the ...