Jiangwei Xue

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1,614 reputation

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visits	member for	2 years, 1 month
	seen	May 21 at 12:05
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24 Answers

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29	How to find roots of $X^5 - 1$?
10	The Galois Extension of $\mathbb Q$ with cyclic group of prime order as its Galois group
10	Any quotient group of $(\mathbb Q,+)$ is torsion
6	Connectedness in Zariski topology
6	$A \in M_{n}(\mathbb{R})$ satisfies $A+A^{t}=I$, then does it imply $\text{det}(A)>0$

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1,614 Reputation

+45	Sum of unitary transformation
+20	Lattices as invertible module
+2	Is simple extension $\mathbb{Q}(\cos\pi/9):\mathbb{Q}$ algebraic and normal?
+5	Finiteness of groups preserving a symmetric positive definite bilinear form

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17 Questions

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7	Finiteness of groups preserving a symmetric positive definite bilinear form
7	Is the splitting field unramified over a prime $\mathfrak{p}$ if the discriminant of the polynomial is coprime to $\mathfrak{p}$?
6	Associated ideals of a principal ideal generated by a nonzero divisor
6	What's the relation between cohomology and unramified Galois covering of curves
4	Lattices as invertible module

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29 Tags

52 abstract-algebra × 8	17 commutative-algebra × 9
29 roots	17 linear-algebra × 7
29 polynomials	11 algebraic-geometry × 13
29 trigonometry	11 matrices × 3
29 algebra-precalculus	10 homework × 3

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2 Accounts

$Mathematics Stack Exchange$	Mathematics	1,614 rep	149
$TeX - LaTeX Stack Exchange$	TeX - LaTeX	118 rep	5

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Yearling × 2	Commentator
Nice Answer × 3	Editor
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Good Answer	Supporter
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30 Votes Cast

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30	up		3	question		8		2
0	down		27	answer		8		2

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