New posts in Algebraic Geometry

Precise general statement of flat morphisms being "equidimensional"

Understanding Hartshorne's definition of subvariety

Why is this map from Leray spectral sequence zero?

Can the zero set of an irreducible polynomial contain a non-empty Zariski open subset?

Why do I expect $\operatorname{Spec}(\Bbb Q(i)\otimes_{\mathbb Q} \Bbb Q(i))$ contains 2 points?

Why $k[[x^2,x^3]]$ is dimension 1 obvious?

A polynomial with nowhere surjective derivative

References on derived categories for schemes

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

Isomorphism between projective varieties $\mathbf{P}^{1}$ and a conic in $\mathbf{P}^{2}$