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64 Questions

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8	Tensoring is thought as both restricting and extending?
4	If the special fiber of a flat morphism is reduced, then any other fiber is reduced?
4	Krull dimension of $\mathbb{C}[x_1, x_2, x_3, x_4]/\left< x_1x_3-x_2^2,x_2 x_4-x_3^2,x_1x_4-x_2 x_3\right>$
4	The differential of $\psi: GL_2(\mathbb{C})\rightarrow M_2(\mathbb{C})$ which sends $g\mapsto gAg^{-1}$
4	the existence of a closed subset of $\mathbb{A}^8\times \mathbb{A}^1$ which is flat over $\mathbb{A}^1$

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755 Reputation

+5	Krull dimension of $\mathbb{C}[x_1, x_2, x_3, x_4]/\left< x_1x_3-x_2^2,x_2 x_4-x_3^2,x_1x_4-x_2 x_3\right>$
+5	If the special fiber of a flat morphism is reduced, then any other fiber is reduced?
+5	Tensoring is thought as both restricting and extending?
+10	How to find a point after rotation?

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10 Answers

votes activity newest

4	How to solve $t$ in $x = t - \sin{(t)}$
1	Linear algebra: kernel, span, dimension?
1	How to find a point after rotation?
0	Diagonalizable linear algebraic group is isomorphic to $(\mathbb{C}^*)^r\times A$, for some finite abelian group $A$
0	Finding direction vector

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49 Tags

4 homework	0 algebraic-geometry × 30
4 trigonometry	0 ring-theory × 16
1 linear-algebra × 5	0 invariant-theory × 12
1 geometry × 3	0 lie-groups × 12
1 analytic-geometry	0 reference-request × 9

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10 Accounts

$Mathematics Stack Exchange$	Mathematics	755 rep	138
	Mathematica	199 rep	6
$TeX - LaTeX Stack Exchange$	TeX - LaTeX	174 rep	5
	Stack Overflow	101 rep	2
	Super User	101 rep	1

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