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 Curious
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  • 9 votes cast
Apr
21
suggested rejected edit on Dimension of the vector space of homogeneous polynomials
Mar
11
comment Square root of smooth function f(0)=0, f'(0)=0, f''(0)>0 is smooth?
What was the motivation for constructing $f_1(x)$ and $f_2(x)$?
Mar
11
accepted Square root of smooth function f(0)=0, f'(0)=0, f''(0)>0 is smooth?
Mar
11
asked Square root of smooth function f(0)=0, f'(0)=0, f''(0)>0 is smooth?
Feb
20
asked Definition of a regular map of projective varieties
Dec
15
asked Distributing arbitrary union over arbitrary intersection (and vice versa)
Dec
5
accepted Closed set in $\mathbb{R}^2$ projecting to rationals
Dec
4
asked Closed set in $\mathbb{R}^2$ projecting to rationals
May
13
accepted Does a direct sum decomposition of an infinite-dimensional vector space require Zorn's lemma?
May
11
asked Does a direct sum decomposition of an infinite-dimensional vector space require Zorn's lemma?
Apr
2
accepted Galois group of $x^5-x+1$ over $\mathbb{F}_7$
Mar
30
awarded  Curious
Mar
30
comment Galois group of $x^5-x+1$ over $\mathbb{F}_7$
That doesn't seem right. $\phi_2$ is the permutation $(45)$ and $\phi_3$ is $(345)$, so together they generate $S_3$.
Mar
29
asked Galois group of $x^5-x+1$ over $\mathbb{F}_7$
Mar
26
awarded  Scholar
Mar
26
accepted Why are separable and normal field extensions so called?
Mar
25
asked Why are separable and normal field extensions so called?
Feb
16
asked Equivalent definition of Cauchy sequence
Sep
7
awarded  Teacher
Aug
31
awarded  Promoter