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Vote summary for Snoopy‭

A daily summary of votes received for posts.

Jan 20, 2024: +3

+1
−0
For any real number $m$, $ \left|\sum_{n=1}^{\infty}\frac{m}{n^2+m^2}\right|<\frac{\pi}{2} $
Answer Q&A
+1
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For any real number $m$, $ \left|\sum_{n=1}^{\infty}\frac{m}{n^2+m^2}\right|<\frac{\pi}{2} $
Question Q&A
+1
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The derivatives of a function at a boundary point
Answer Q&A

Jan 15, 2024: +2

+1
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Using convexity in the proof of Hölder’s inequality
Answer Q&A
+1
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Using convexity in the proof of Hölder’s inequality
Question Q&A

Jan 14, 2024: +4

+2
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If both $\lim_{x\to\infty}f(x)$ and $\lim_{x\to\infty}f'(x)$ exist, then $\lim_{x\to\infty}f'(x)=0$.
Answer Q&A
+2
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If both $\lim_{x\to\infty}f(x)$ and $\lim_{x\to\infty}f'(x)$ exist, then $\lim_{x\to\infty}f'(x)=0$.
Question Q&A

Jan 10, 2024: +2

+1
−0
What does it mean by saying that $C([0,1])$ is a subset of $L^\infty([0,1])$?
Answer Q&A
+1
−0
What does it mean by saying that $C([0,1])$ is a subset of $L^\infty([0,1])$?
Question Q&A

Jan 9, 2024: +2

+1
−0
$\liminf (a_n+b_n) = \liminf(a_n)+\liminf(b_n)$ provided that $\lim a_n$ exists
Answer Q&A
+1
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$\liminf (a_n+b_n) = \liminf(a_n)+\liminf(b_n)$ provided that $\lim a_n$ exists
Question Q&A

Jan 8, 2024: +5

+1
−0
$\sup(A\cdot B) = (\sup A)(\sup B)$ where $A$ and $B$ bounded sets of positive real numbers
Answer Q&A
+1
−0
$\sup(A\cdot B) = (\sup A)(\sup B)$ where $A$ and $B$ bounded sets of positive real numbers
Answer Q&A
+1
−0
$\sup(A\cdot B) = (\sup A)(\sup B)$ where $A$ and $B$ bounded sets of positive real numbers
Question Q&A
+1
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Why is $ \int_0^{\infty}\left|\frac{\sin x}{x}\right|\ dx=\infty$?
Answer Q&A
+1
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Why is $ \int_0^{\infty}\left|\frac{\sin x}{x}\right|\ dx=\infty$?
Question Q&A

Jan 7, 2024: +2

+1
−0
$\sup(A\cdot B) = (\sup A)(\sup B)$ where $A$ and $B$ bounded sets of positive real numbers
Answer Q&A
+1
−0
$\sup(A\cdot B) = (\sup A)(\sup B)$ where $A$ and $B$ bounded sets of positive real numbers
Question Q&A

Feb 4, 2023: +1

+1
−0
Criterion in terms of the bases for determining whether one topology is finer than another
Question Q&A

Feb 3, 2023: +2

+2
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Criterion in terms of the bases for determining whether one topology is finer than another
Question Q&A

Jan 15, 2023: +1

+1
−0
Proving $|{\bf R}^{\bf R}|=|2^{\bf R}|$ using the Schroeder-Bernstein Theorem
Question Q&A

Jan 14, 2023: +1

+1
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Proving $|{\bf R}^{\bf R}|=|2^{\bf R}|$ using the Schroeder-Bernstein Theorem
Question Q&A

Jan 7, 2023: +2

+2
−0
Extra "bar" in the post
Question Meta

Jan 6, 2023: +2

+2
−0
What did James Stewart mean by "the line integral reduces to an ordinary single integral in this case" ?
Answer Q&A

Nov 29, 2022: +1

+1
−0
Example of $f:[0,1]\to\mathbf{R}$ with $\lim_{a\to 0^+}\int_a^1f(x)dx=L $ for some real number $L$ but $\int_0^1|f(x)|dx=\infty $
Question Q&A

Nov 28, 2022: +1

+1
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Example of $f:[0,1]\to\mathbf{R}$ with $\lim_{a\to 0^+}\int_a^1f(x)dx=L $ for some real number $L$ but $\int_0^1|f(x)|dx=\infty $
Question Q&A