Skip to main content
Mathematics
pie's user avatar
pie's user avatar
pie's user avatar
pie
  • Member for 2 years, 11 months
  • Last seen this week
  • Egypt
Profile Activity

Stats

9,329
reputation
94k
reached
80
answers
240
questions
Communities
View all

About

I am a self-learner who aspires to be a mathematician someday. I know I have a lot to learn, but I will try my best to understand mathematics and achieve my dream.

Badges

View all badges
2
gold badges
15
silver badges
73
bronze badges

Top tags

View all tags
106
Score
146
Posts
46
Posts %
82
Score
73
Posts
23
Posts %
43
Score
128
Posts
40
Posts %
21
Score
74
Posts
23
Posts %
21
Score
34
Posts
11
Posts %
20
Score
65
Posts
20
Posts %

Top posts

View all questions and answers
45
Why can we treat differential operators as if they behave like algebraic quantities?
Jun 7
32
Evaluate the integral $\int_{-\infty}^{\infty}\binom{n}{x}dx$.
Apr 24, 2024
23
Conjecture: $\sum\limits_{k=1}^nk^m=S_3(n)\times\frac{P_{m-3}(n)}{N_m}$ for odd $m>1 \ ;\ =S_2(n)\times\frac{P_{m-2}'(n)}{N_m}$ for even $m$.
Dec 15, 2023
17
Is there any known $x\in (0,1)\setminus \{1/2\}$? such that a simple closed form for $\Gamma(x)$ exists?
Jan 13
17
Complex analysis book recommendations with more exercise than Ahlfors' book.
Apr 27, 2024
17
How to evaluate $\int_0^{\frac{\pi}{2}} \frac{\ln(\cos(x))}{1+\sin^2(x)} \, dx$
Jul 11, 2023
13
Struggling to retain mathematical knowledge as a self-learner.
Oct 11, 2024
13
What is the least number of circles with radius $r$ is required to cover a circumference of a circle with radius $R>r$?
May 10, 2024
13
How to evaluate $\int_0^\infty\int_0^\infty\int_0^\infty\frac{1}{e^x+e^y+e^z-1}\,\mathrm dx\,\mathrm dy\,\mathrm dz$
Aug 28
12
Is it possible to have an example where $\frac{d}{dx}\sum\limits_{n\ge1}f_n(x)\ne\sum\limits_{n\ge1}\frac{d}{dx} f_n(x), \ \forall x \in D $?
May 29

Top Meta posts

3
1
12
Should I vote to close very old questions?
11
Closing new users questions without comments.

Top network posts

View all network posts
21
How to start learning philosophy and overcome my bias towards mathematics?
16
Is it known that the Collatz-like sequence with 7n+1 diverges to infinity starting with 7?
10
Why do we name and separate invisible bands even though the whole EM spectrum is continuous?
9
Is philosophy of declining influence, effectively dead or irrelevant in modern times? If so, why?
9
How complicated can an elementary antiderivative get?