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shk910
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Economics PhD

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9
open set is the disjoint union of a countable collection of open intervals
Jul 28, 2018
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7
Find the limit $\lim_{n \to \infty} \frac {2n^2+10n+5}{n^2}$ and prove it.
Apr 15, 2018
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5
Theorem A: subset of a countable set is countable.
Jul 25, 2018
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5
Show that $1 /(1-x)$ is real analytic
Mar 28, 2020
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5
Exercise 3.4.14 Introduction to Real Analysis by Jiri Lebl
Dec 21, 2019
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4
Find $\lim_{n \to \infty } a_n$
Apr 25, 2018
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4
Show that $E(|S_n-np|) = 2vq b(v; n, p) $.
Jun 15, 2020
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4
$|x_{n+1} - x_n| \le C |x_n - x_{n-1}|.$ Prove $(x_n)$ is cauchy
Jun 18, 2018
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4
The Petersburg game and fair game (Feller Vol.1)
Jun 18, 2020
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3
Prove that $\sum_{n=1}^\infty b_{n}$ converges
Apr 25, 2018
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the meaning of sentence "look for contrast to decades"