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1d
reviewed Reject Inverse of $f(x)=x+\sin(x)$
1d
reviewed Reject Chernoff type bounds for negative binomial distribution
May
25
reviewed Approve How to find two numbers given their difference, HCF and LCM?
May
24
asked Estimate from above $\sum_{m=1}^{n-1}\frac{1}{n^\alpha-m^\alpha}$
May
24
reviewed Approve Induction graph theory - dealing with reducing the problem
May
24
reviewed Approve graph degrees question (combinatorics)
May
24
accepted Find the value of $\sum^{n-1}_{m=1}\left(\frac{1}{n-m}+\frac{1}{n+m}\right)$.
May
24
asked Find the value of $\sum^{n-1}_{m=1}\left(\frac{1}{n-m}+\frac{1}{n+m}\right)$.
May
24
reviewed Approve Density of linear combination
May
24
reviewed Approve Are the following logical statements equal? Solution verification
May
24
reviewed Approve Cardinality of Quotient ring
May
24
reviewed Approve Points nearby a line
May
24
reviewed Approve Finding zeros of a function involving Gamma function.
May
22
accepted Estimate from below $\int_0^\pi e^{-t}\cos nt dt$ without calculate it.
May
22
asked Estimate from below $\int_0^\pi e^{-t}\cos nt dt$ without calculate it.
May
22
accepted Inequality $\left|z+w\right|\geq\left||z|-|w|\right|$ when $|w|\leq A|z|$.
May
22
asked Inequality $\left|z+w\right|\geq\left||z|-|w|\right|$ when $|w|\leq A|z|$.
May
22
accepted About inequality $\sum_{k=1}^n |a_k|^2 \lessgtr \sum_{k\neq s} |a_k| |a_s|$
May
21
asked About inequality $\sum_{k=1}^n |a_k|^2 \lessgtr \sum_{k\neq s} |a_k| |a_s|$
May
21
comment If $\sum_n \frac{1}{\alpha_n}$ is convergent, what can we say about $\min_{r,s}{}_{+} |\alpha_r-\alpha_s|$?
@user7530, thanks for your remark. I've edited post.