Zhen Lin

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75 Reviews

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Feb
3
 reviewed Satisfactory Complex analysis (periodic function)
Dec
29
 reviewed Reject suggested edit on What is the rank of the cofactor matrix of a given matrix?
Dec
29
 reviewed Close Why $\sqrt{\frac {\sum(x-\mu)^2} {N}}$ instead of $\frac {\sum{\Bigl|x-\mu\Bigr|}} {N}$?
Dec
28
 reviewed No Action Needed A number of dice rolls to see every number at least once
Dec
28
 reviewed No Action Needed How to prove that the absolute difference of two numbers
Oct
25
 reviewed Reject suggested edit on Basic introduction to algebraic topology using simplicial complexes
Sep
11
 reviewed Approve suggested edit on Solving P vs NP with computer
Sep
10
 reviewed Leave Open How is a section viewed as a bundle map?
Sep
1
 reviewed Reject suggested edit on Classgroup of $\mathbb{Q}(\sqrt{2},\sqrt{-13})$
Aug
29
 reviewed Looks Good Question about math symbol $\bigsqcup$
Aug
29
 reviewed Looks Good Notation $[A]_q$ for finite abelian group $A$ and prime power $q$.
Aug
26
 reviewed Leave Open Limit of $\lim\limits _{ x\to \infty } \left( \sqrt { x^2+3x } -\sqrt { x^2+x } \right) $?
Aug
26
 reviewed Leave Open Is it contradictory to define zero as the empty set in ZFC?
Aug
26
 reviewed Close closure point of positive integers in the usual topology R
Aug
26
 reviewed Close Is $f(t)=t^\alpha$ for $\alpha\in(0,1)$ a sub-additive function?
Aug
26
 reviewed Leave Open Finding $F(x)$ so that $F'(x) = e^{-x^2}$
Aug
17
 reviewed Close Why $\sqrt{p}$ is in $\mathbb{Q}(\omega)$ when $p\equiv 1$(mod 4)?
Aug
17
 reviewed Leave Open probability Theory
Aug
17
 reviewed Close Does an upper bound on the cardinality of a Vitali set solve the Continuum Hypothesis?
Aug
17
 reviewed Leave Open Can a meromorphic function be written as ratio of holomorphic function?
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