New posts in coherent-sheaves

connections on coherent sheaves

Embeddings of a surface that are given by linear systems of divisors

Torsion-free sheaf on $\Bbb P^2$

How "many" non-reduced spaces with smooth reduction are there?

is the pushforward of a flat sheaf flat?

Finiteness of cohomology of coherent sheaf for proper morphisms

Reality check: $\mathcal{O}_{\mathbb{P}_\mathbb{R}^1}(1)$ and $\mathcal{O}_{\mathbb{P}_\mathbb{R}^1}(-1)$ are both Möbius strips?

Vector bundle as locally free coherent sheaves

Pullback of locally free sheaves is locally free

How is the exterior power of a coherent sheaf is coherent?

Why did Serre choose coherent sheaves?

Formal Schemes Mittag-Leffler

Hartshorne exercise II.5.12(b)

Category of quasicoherent sheaves not abelian

Intersection of twisted cubics in $\mathbb{P}^3$

What local system really is

Precise connection between Poincare Duality and Serre Duality