Mathematics
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p4sch
  • Member for 5 years, 9 months
  • Last seen more than 1 year ago
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All Questions Answers
Score Newest
answer
13
Increasing function on R that is discontinuous on the rationals
Nov 22, 2018
answer
12
show this function $f(m,n)=f(n,m)$.
Feb 20, 2019
answer
12
$\mu$ is $\sigma$-finite $\iff \exists$ function $f \in \mathcal{L}^{1}(\mu)$ with $f(x)>0$ for all $x \in X$
Dec 4, 2018
answer
10
A conjecture concerning the number of divisors and the sum of divisors.
May 3, 2018
answer
8
A power series $\sum_{n = 0}^\infty a_nx^n$ such that $\sum_{n=0}^\infty a_n= +\infty$ but $\lim_{x \to 1} \sum_{n = 0}^\infty a_nx^n \ne \infty$
Jan 24, 2019
answer
7
Limit of a certain expression
Apr 8, 2018
answer
7
There is no holomorphic function $f$ on the open unit disk such that $f(1/n)=2^{-n}$
Sep 3, 2018
answer
7
Where does one even need Bernoulli's Inequality?
Dec 4, 2018
answer
6
Gauss's proof that the Digamma function equals $\int_0^{\infty}(\frac{e^{-t}}{t} - \frac{e^{-zt}}{1-e^{-t}})dt$.
Dec 3, 2019
question
5
Existence of totally real number fields of any degree [duplicate]
Feb 11, 2018

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