New posts in Sheaf Theory

Rank of coherent sheaf on complex manifolds

Coherent sheaves vs sheaves locally of finite presentation

Is it true that $\mathscr{O}_{X,x}=\mathscr{O}_{\operatorname{Spec} A,x}$ for any $\operatorname{Spec} A$ with $x\in\operatorname{Spec} A$?

Sheafification of a subpresheaf

Clarification on definition of a Sheaf

Let $\epsilon$ be a topos and let $f:Y\to X$ be a morphism. Let $M,N$ be two subobjects of $X$. Is it true that $f^*(M\cap N)=f^*(M)\cap f^*(N)$?

What is a simple definition of the pullback of a section?

Why presheaves are generalized objects?

Does every closed subset of the underlying space of a Noetherian scheme admits a natural closed subscheme structure?

Monomorphism into separated presheaf