Question

How to evaluate $f(x)$ at the point $(x^2 + ax + b) \in \text{Spec} \, \mathbb{R}[x] $?

score 45 · Answer 1 · 2026-03-25 09:27:32

45

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How to evaluate $f(x)$ at the point $(x^2 + ax + b) \in \text{Spec} \, \mathbb{R}[x] $?

Published on 25 Mar 2026 - 9:27

score 45 · Answer 2 · 2026-03-25 04:39:30

45

Views

Are $u_1,u_2,\cdots,u_n$ independent in $M$?

Published on 25 Mar 2026 - 4:39

score 104 · Answer 3 · 2018-08-15 13:20:40

104

Views

Question about characterisation of smoothness of a morphism of schemes in Olsson's book

Published on 15 Aug 2018 - 13:20

score 223 · Answer 4 · 2018-08-15 15:51:12

223

Views

Do we have $(\mathcal L\otimes_{\mathcal O_X}\mathcal L)(X)=\mathcal L(X)\otimes_{\mathcal O_X(X)}\mathcal L(X)$?

Published on 15 Aug 2018 - 15:51

score 367 · Answer 5 · 2018-08-17 12:12:28

367

Views

Alternative way of calculating the intersection number on a surface

Published on 17 Aug 2018 - 12:12

score 156 · Answer 6 · 2018-08-18 14:12:47

156

Views

Support of structure sheaf

Published on 18 Aug 2018 - 14:12

score 76 · Answer 7 · 2026-03-25 03:00:49

76

Views

Is $X\times_ST$ a Noetherian scheme?

Published on 25 Mar 2026 - 3:00

score 202 · Answer 8 · 2026-03-25 04:42:42

202

Views

Why is the Hilbert scheme $ \operatorname{Hilb} ( n )_S $ a subscheme of a Grassmannian to determine?

Published on 25 Mar 2026 - 4:42

score 93 · Answer 9 · 2018-08-22 14:29:03

93

Views

Dimension of finite type algebras over fields

Published on 22 Aug 2018 - 14:29

score 391 · Answer 10 · 2018-08-23 07:25:19

391

Views

Application Hilbert's Nullstellensatz for $k$-algebra of finite type

Published on 23 Aug 2018 - 7:25

score 539 · Answer 11 · 2018-08-23 21:31:17

539

Views

Immersion Etale if and only if Open Immersion

Published on 23 Aug 2018 - 21:31

score 439 · Answer 12 · 2018-08-24 21:27:42

439

Views

Lifting Property for Smooth Morphism

Published on 24 Aug 2018 - 21:27

score 173 · Answer 13 · 2018-08-24 21:31:01

173

Views

How to show the morphisms $f_i$ glue to a morphism $f:X\to Y$.

Published on 24 Aug 2018 - 21:31

score 587 · Answer 14 · 2026-03-25 03:21:19

587

Views

Functor of points of the affine line with double origin

Published on 25 Mar 2026 - 3:21

score 98 · Answer 15 · 2026-03-19 21:10:04

98

Views

The 'Locally Ringed' condition in the definition of a scheme.

Published on 19 Mar 2026 - 21:10

List Question

How to evaluate $f(x)$ at the point $(x^2 + ax + b) \in \text{Spec} \, \mathbb{R}[x] $?

Are $u_1,u_2,\cdots,u_n$ independent in $M$?

Question about characterisation of smoothness of a morphism of schemes in Olsson's book

Do we have $(\mathcal L\otimes_{\mathcal O_X}\mathcal L)(X)=\mathcal L(X)\otimes_{\mathcal O_X(X)}\mathcal L(X)$?

Alternative way of calculating the intersection number on a surface

Support of structure sheaf

Is $X\times_ST$ a Noetherian scheme?

Why is the Hilbert scheme $ \operatorname{Hilb} ( n )_S $ a subscheme of a Grassmannian to determine?

Dimension of finite type algebras over fields

Application Hilbert's Nullstellensatz for $k$-algebra of finite type

Immersion Etale if and only if Open Immersion

Lifting Property for Smooth Morphism

How to show the morphisms $f_i$ glue to a morphism $f:X\to Y$.

Functor of points of the affine line with double origin

The 'Locally Ringed' condition in the definition of a scheme.

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