Question

The vanishing ideal $I_{K[x,y]}(A\!\times\!B)$ is generated by $I_{K[x]}(A) \cup I_{K[y]}(B)$?

score 2.2k · Answer 1 · 2013-02-04 01:01:33

2.2k

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The vanishing ideal $I_{K[x,y]}(A\!\times\!B)$ is generated by $I_{K[x]}(A) \cup I_{K[y]}(B)$?

Published on 04 Feb 2013 - 1:01

score 5.3k · Answer 2 · 2013-02-07 13:55:54

5.3k

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score 4k · Answer 3 · 2013-02-07 18:12:07

4k

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score 674 · Answer 4 · 2013-03-07 08:29:48

674

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score 3.7k · Answer 5 · 2013-03-08 03:06:57

3.7k

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score 80 · Answer 6 · 2013-03-09 23:37:45

80

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score 257 · Answer 7 · 2013-03-11 13:04:55

257

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97

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score 217 · Answer 9 · 2013-03-22 09:22:06

217

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score 128 · Answer 10 · 2013-03-22 09:47:55

128

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score 251 · Answer 11 · 2013-03-29 08:48:23

251

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Published on 29 Mar 2013 - 8:48

score 98 · Answer 12 · 2026-03-29 20:53:37

98

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score 30 · Answer 13 · 2020-08-03 08:03:23

30

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score 65 · Answer 14 · 2020-08-03 09:15:43

65

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Published on 03 Aug 2020 - 9:15

score 3k · Answer 15 · 2020-08-12 18:47:43

3k

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Published on 12 Aug 2020 - 18:47

List Question

The vanishing ideal $I_{K[x,y]}(A\!\times\!B)$ is generated by $I_{K[x]}(A) \cup I_{K[y]}(B)$?

Intersection of affine subspaces is affine

Prove that $\{\vec x_i\}\subset\mathbb R^d$ is affinely independent iff $\{(1,\vec x_i)\}$ is linearly independent

Sufficient condition for a function to be affine

Showing that if $fg=gf$ and $fh=hf$, then $gh=hg$, where $f$, $g$, and $h$ are affine functions

Variety Affine Space

Equation of plane -- point/vector pedagogy

Separation of Euclidean Space

Find the equation of plane containing line described by

Find the line passing thought the point $p=(1,2,0)$, paralel to the plane...

Skew planes in $\mathbb{A}^4$

Singular values of matrices which preserve the ellipse $\frac{x^2}{a^2} + \frac{y^2}{b^2} \le 1$

A bound on the maximal singular value of a linear map which preserves an ellipse

How to find affine transformation of a unit square

difference between similarity and affine transformation

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