Skip to main content
Mathematics
Elaqqad's user avatar
Elaqqad's user avatar
Elaqqad's user avatar
Elaqqad
  • Member for 9 years, 6 months
  • Last seen this week
Profile Activity
Stats
13,833
reputation
308k
reached
404
answers
46
questions
Communities
View all
About

I'm currently an undergraduate student in computer science, and especially in theoretical computer science. I like solving and making hard problems in number theory, arithmetic, Combinatorics, Olympiads... . I'm here to help others and to share my ideas with them.

Badges
View all badges
This user doesn’t have any gold badges yet.
20
silver badges
53
bronze badges
Top tags
View all tags
231
Score
104
Posts
23
Posts %
211
Score
107
Posts
24
Posts %
99
Score
40
Posts
9
Posts %
80
Score
50
Posts
11
Posts %
78
Score
34
Posts
8
Posts %
71
Score
24
Posts
5
Posts %
Top posts
View all questions and answers
24
What is wrong with this putative proof?
Apr 2, 2015
17
Is this extension of Goldbach's conjecture obviously false?
Jul 9, 2015
17
How to prove that the Fibonacci sequence is periodic mod 5 without using induction?
Jul 12, 2015
16
Improvement IMO 1988 $f(f(n))=n+1987$
Jan 28, 2015
16
when $F_n^2+F_m^2$ is a square for fibonacci numbers
Feb 15, 2015
14
Elementary proof for $\sqrt{p_{n+1}} \notin \mathbb{Q}(\sqrt{p_1}, \sqrt{p_2}, \ldots, \sqrt{p_n})$ where $p_i$ are different prime numbers.
Apr 11, 2015
14
Looking for all sequences such that $a_i^2+a_j^2=a_k^2+a_l^2$ whenever $i^2+j^2=k^2+l^2$
Feb 24, 2015
14
Can every even integer greater than four be written as a sum of two twin primes?
Mar 8, 2015
12
Show that for any prime $ p $, there are integers $ x $ and $ y $ such that $ p|(x^{2} + y^{2} + 1) $.
May 1, 2015
11
Arrangement of integers in a row such that the sum of every two adjacent numbers is a perfect square.
Feb 28, 2015
Top network posts
View all network posts
11
Integers $d$ for which the negative Pell equation is soluble for both $d$ and $2d$?
10
How to implement the five star notation in Latex