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André Gomes's user avatar
André Gomes's user avatar
André Gomes's user avatar
André Gomes
  • Member for 4 years, 4 months
  • Last seen more than a month ago
  • Brazil
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199
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427
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1
answer
4
questions
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About

PhD student at University of São Paulo (USP) - Brazil

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All Questions Answers
Score Newest
question
3
Let $T$ be a maximal torus of $SU(k+1)$. Who is the normalizer $N(T)$ of $T$ in $O(2k+2)$?
Jul 3, 2020
question
2
Show that if $\Theta$ is an infinitesimal weight of a real $T$-module $W$ ($T$ is a torus) then $-\Theta$ is also a weight
Jan 28, 2019
question
2
Automorphisms of $G/Z(G)$ with $G$ simply connected
Feb 24, 2021
question
1
Let $G'\triangleleft G<\operatorname{Iso}(M)$ be a normal subgroup. A $G'$-stratum is the union of $G$-strata of lesser dimension
Jul 5, 2020
answer
0
Let $G'\triangleleft G<\operatorname{Iso}(M)$ be a normal subgroup. A $G'$-stratum is the union of $G$-strata of lesser dimension
Jul 6, 2020
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12
Prove that $\operatorname{Hom}_{\Bbb{Z}}(\Bbb{Q},\Bbb{Z}) = 0$ and show that $\Bbb{Q}$ is not a projective $\Bbb{Z}$-module.
11
Can ring homomorphisms be characterized as ring maps such that preimage of any ideal is an ideal?
7
$p$ is a homogeneous polynomial. Show that $p^{-1}(a)$ is a submanifold of $\mathbb{R}^n$ if $a\neq 0$. The submanifolds of $a>0$ are diffeomorphic.
6
Matrix Representation of Octonions
5
If $\mu(|f_n|^p)$ is bounded and $f_n\to f$ in measure then $f_n\to f$ in $L^1$

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