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Mathematics
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23

Riemann

Apparently, this user prefers to keep an air of mystery about them.

90
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  • Xi'an, China
  • Member for 7 years, 1 month
  • 399 profile views
  • Last seen 10 hours ago

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Top posts (122) All Questions Answers | Votes Newest

30 Prove the following integral inequality: $\int_{0}^{1}f(g(x))dx\le\int_{0}^{1}f(x)dx+\int_{0}^{1}g(x)dx$ Jan 13 '13
13 Positive series problem: $\sum\limits_{n\geq1}a_n=+\infty$ implies $\sum_{n\geq1}\frac{a_n}{1+a_n}=+\infty$ Apr 14 '12
11 Interesting limits. Aug 26 '18
9 Series problem! Can someone give me a counterexample? Apr 10 '12
9 Recursive sequence - Convergency and Limit Apr 11 '12
9 Does the sequence $(1,\frac{1}{2},\frac{1}{2^\frac{1}{2}},\frac{1}{3},\frac{1}{3^\frac{1}{2}},\frac{1}{3^\frac{1}{3}},\ldots)$ converge? Jan 20 '13
8 $f(f(x)f(y))+f(x+y)=f(xy)$ Jul 26 '17
8 Bounding $(x^n-y^n)/(x-y)$? Aug 10 '18
7 Monotonicity of the function $(1+x)^{\frac{1}{x}}\left(1+\frac{1}{x}\right)^x$. Sep 7 '18
7 Finding limit from Squeeze theorem. Aug 26 '18
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