Behnam Esmayli

Member for 7 years, 11 months
Last seen more than a week ago

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Jyväskylä, Finland

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real-analysis

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24

If $f$ is holder continuous for $\alpha >1$ then $f$ is constant.

Jun 18, 2017

9

How do I show that all continuous periodic functions are bounded and uniform continuous?

Mar 9, 2017

8

How to prove that $\lim\limits_{x\to0}\frac{\sin x}x=1$?

Nov 20, 2019

7

How do we know the ratio between circumference and diameter is the same for all circles?

May 4, 2016

7

Evaluation of $\cos\left(\frac{\pi}{2n}\right)\cdot \cos\left(\frac{2\pi}{2n} \right)....\cos\left(\frac{(n-1)\pi}{2n}\right)$

May 7, 2016

Questions

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19

A surprising inequality about a $\limsup$ for any sequence of positive numbers

Jul 19, 2016

10

When ODE tells more than the explicit solution.

Apr 30, 2018

5

How "practical" is the Laplace transform method for constant coefficient ODE?

Jul 2, 2021

3

Jacobian of non-square matrices

Nov 21, 2020

3

ALL Orthogonality preserving linear maps from $\mathbb R^n$ to $\mathbb R^n$?

May 3, 2016

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real-analysis

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functional-analysis

39

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20

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calculus

36

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31

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measure-theory

32

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27

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general-topology

31

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24

posts

Reputation

+10

Derivative of Quadratic Form

+10

If $f$ is holder continuous for $\alpha >1$ then $f$ is constant.

+10

Why are Sobolev spaces useful?

+10

How do fixed point arguments for PDE work?

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