Kroki

Member for 6 years, 1 month
Last seen this week

Montreal, QC, Canada

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real-analysis

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Answers

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Score Activity Newest

13

Coin tosses with unknown success probability

Aug 16, 2022

11

Evaluate the limit $\lim\limits_{n\rightarrow \infty}\int_{0}^{\pi}\left|\sin(x)-\sin(2nx)\right|\text{ d}x$

Aug 10, 2022

11

Prove that $\sum_{a\in A} φ(a)=0$ where $A$ is finite Abelian group.

Apr 17, 2018

8

Price of Option in Betting Game

Jul 26

7

Finding $\displaystyle \lim_{n \rightarrow \infty} \sqrt{n} \int_0^1 \left(\frac{\sin t}{t}\right)^n dt$

May 15

Questions

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Score Activity Newest Views

4

Solve an equation with integer variables

Mar 27, 2018

4

Convexity of a set defined by integrals of a function on measurable sets

Apr 13, 2018

4

Minimum of a function defined by a sum

Jul 24, 2022

3

$\begin{bmatrix}\mathbf O & U\\ V^T & 0\end{bmatrix}$ is diagonalizable?

Jul 26, 2022

3

Probability of being in the same connected componnent

Jun 22, 2020

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real-analysis

124

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89

posts

probability

87

Score

65

posts

calculus

77

Score

44

posts

linear-algebra

73

Score

62

posts

sequences-and-series

67

Score

37

posts

Reputation

+25

If $f(x)$ is a real convex function, is it true that $\forall x<y$, $f(\sqrt{xy})f(\sqrt{xy})\leq f(x)f(y)$?

+10

Does existence of only 1 critical point and local convexity imply global minimum?

+25

Prove $ \sum a_i b_i \sum c_i\leq \sum a_i \sum b_i c_i $

+10

Finding $\displaystyle \lim_{n \rightarrow \infty} \sqrt{n} \int_0^1 \left(\frac{\sin t}{t}\right)^n dt$

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