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15
Math.TechQA.Club
2026-04-11 08:58:58
253
Views
Monomorphism of schemes
Published on
11 Apr 2026 - 8:58
#algebraic-geometry
#category-theory
#schemes
143
Views
Construction of an immersion of schemes using the fibered product
Published on
23 Aug 2020 - 13:54
#algebraic-geometry
#schemes
512
Views
Why the image of diagonal morphism closed implies separated.
Published on
23 Aug 2020 - 22:19
#algebraic-geometry
#schemes
140
Views
Weil divisor arising from invertible sheaf and rational section?
Published on
25 Mar 2026 - 22:03
#algebraic-geometry
#schemes
#divisors-algebraic-geometry
#line-bundles
201
Views
Map to Proj of ring of sections
Published on
25 Mar 2026 - 22:03
#algebraic-geometry
#schemes
#projective-schemes
#line-bundles
78
Views
Natural map to the adic spectrum
Published on
10 Apr 2026 - 18:41
#algebraic-geometry
#schemes
#algebraic-curves
129
Views
Weil Restriction and Distinguished Opens
Published on
11 Apr 2026 - 6:57
#algebraic-geometry
#ring-theory
#schemes
#affine-schemes
185
Views
Under what condition can we deduce that $\mathcal O_X(X)\otimes_k\bar k = \mathcal O(X_{\bar k})$?
Published on
28 Aug 2020 - 18:38
#algebraic-geometry
#schemes
204
Views
Question about recovering the ring of an affine scheme
Published on
11 Apr 2026 - 9:21
#abstract-algebra
#algebraic-geometry
#schemes
#affine-schemes
55
Views
What is meant by $X\setminus V(s)$, for $s$ a global section?
Published on
11 Apr 2026 - 5:03
#algebraic-geometry
#sheaf-theory
#schemes
179
Views
The proof of $X(\mathcal O_K)\rightarrow X_K(K)$ in Qing Liu
Published on
30 Aug 2020 - 17:38
#algebraic-geometry
#schemes
126
Views
Why $D_+(f)\cap V_+(I)$ in projective space is affine open?
Published on
11 Apr 2026 - 10:35
#algebraic-geometry
#schemes
237
Views
Conic bundles structure
Published on
10 Apr 2026 - 18:46
#algebraic-geometry
#vector-bundles
#schemes
#projective-varieties
322
Views
Ampleness of a line bundle on the generic fibre
Published on
11 Apr 2026 - 6:26
#algebraic-geometry
#schemes
#line-bundles
143
Views
How to internalize local rings?
Published on
09 Apr 2026 - 9:46
#abstract-algebra
#category-theory
#schemes
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