Skip to main content
Mathematics
iadvd's user avatar
iadvd's user avatar
iadvd's user avatar
iadvd
  • Member for 9 years, 8 months
  • Last seen this week
Profile Activity
Stats
8,913
reputation
780k
reached
87
answers
114
questions
Communities
View all
About

BCompSc & EMBA, living in Japan. Some questions: $\varphi$ - $L_n$ - Russian Peasant Algorithm - Autostereograms of complex functions - Dynamical Systems: spirals and clusters. OEIS: [A256241][A257886]. Mathematics are just one of my main hobbies and sometimes my topics are too random.

Badges
View all badges
11
gold badges
37
silver badges
72
bronze badges
Top tags
View all tags
48
Score
81
Posts
40
Posts %
30
Score
27
Posts
13
Posts %
20
Score
24
Posts
12
Posts %
20
Score
24
Posts
12
Posts %
14
Score
61
Posts
30
Posts %
13
Score
12
Posts
6
Posts %
Top posts
View all questions and answers
118
A multiplication algorithm found in a book by Paul Erdős: how does it work?
Mar 17, 2017
33
Are there rings whose multiplicative identity is not the number 1 or number 1-based?
May 3, 2015
25
Why is this family of dynamical systems able to produce spirals and clusters of points?
Nov 6, 2017
25
What is this pattern found in the first occurrence of each $k \in \{0,1,2,3,4,5,6,7,8,9\}$ in the values of $f(n)=\sqrt{n}-\lfloor \sqrt{n} \rfloor$?
Aug 18, 2015
22
Euler's Totient function $\forall n\ge3$, if $(\frac{\varphi(n)}{2}+1)\ \mid\ n\ $ then $\frac{\varphi(n)}{2}+1$ is prime
Apr 15, 2015
19
Visually stunning math concepts which are easy to explain
Apr 6, 2017
14
Are my calculations of a new constant similar to Mill's constant based on $\lfloor A^{2^{n}}\rfloor$ and Bertrand's postulate correct?
Jun 1, 2016
14
Can exist an even number greater than $36$ with more even divisors than $36$, all of them being a prime$-1$?
Jan 4, 2016
13
It is possible to apply a derivative to both sides of a given equation and maintain the equivalence of both sides? [duplicate]
Oct 4, 2016
11
What are some easy but beautiful patterns in Pascal's Triangle?
Aug 31, 2016
Top Meta posts
2
1
9
About a mathematics-physics question I closed (why is it off-topic?)
6
Are some badges not available to be followed on the new profile "badges" box?
Top network posts
View all network posts
5
Looking for the closest example of life forms similar to some mathematical patterns