Is the projectivization of a variety well-defined?
129674
Is taking projective closure a functor?
35115
Questions on how to prove that a set of connectives is NOT functionally complete
158170
vector space dimension of linear varieties
49984
Valid justification for algebraic manipulation of $\mathrm{d}y/\mathrm{d}x$?
115088
Surjective morphism of affine varieties and dimension
104955
Variety that is affine and projective is a finite number of points
115409
Are MAGMA-epimorphisms sujective?
41575
Motivation for the mapping cone complexes
56706
Defining the appropriate Projected Coordinate System
58028
Semisimplicity is equivalent to each simple left module is projective?
25260
Extension of a morphism $k^*\rightarrow X$ to $\mathbb{P}^1\rightarrow \overline{X}$
68449
$\operatorname{Supp}(M)=V(\operatorname{Ann}M)$ if $M$ is finitely generated
43170
inverse image of fiber product of scheme
155266
Is $\exp:\overline{\mathbb{M}}_n\to\mathbb{M}_n$ injective?
20612
Is fibre product of varieties irreducible (integral)?
98559
subtlety of self-defined function and its evaluation
88281
Mixing and Distributing Qualifiers ($\forall x$, $\exists x$)