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Mathematics
Eldar Sultanow's user avatar
Eldar Sultanow's user avatar
Eldar Sultanow's user avatar
Eldar Sultanow
  • Member for 2 years, 8 months
  • Last seen more than a month ago
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About

I am an Enterprise Architect (see LinkedIn) with a focus on Cloud, Machine Learning, modern software architectures and with a passion for research, especially mathematics.

Some of my old posts deal with Curves (1), Fourier Transform (2, 3, 4), Polar Coordinates (5), Sums (6, 7, 8), Products (9, 10, 11, 12), Combinatorics (13), Number Theory (14), Algebra (15, 16, 17) and Geometry (18, 19).

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Top posts
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9
For integers $x<y<z$, why are these cases impossible for Mengoli's Six-Square Problem?
Dec 26, 2021
8
Level curves and critical points
Mar 4, 2022
8
Reference request: Good introduction to Sphere Packing
Jan 28, 2022
6
Factorial of a matrix: what could be the use of it?
Jan 4, 2022
5
How can we show this relationship between the sum of divisors function and the sum $p^{m}+2p^{m-1}+3p^{m-2}+\ldots+(m+1)$?
Mar 11, 2022
4
Calculate the area of an triangle that is inscribed into an ellipse such that the elliptical sectors are of equal size.
Jan 1, 2022
4
Let $w<x$ be integers with $x^2-w^2$ beeing a square. Which condition they must satisfy for a $y$ to exist with $y^2-x^2$, $y^2-w^2$ being squares?
Feb 17, 2022
3
How we illustrate the Prüfer-$3$ group elements on the unit circle?
Jun 18, 2022
3
Four squares such that the difference of any two is a square?
Jan 23, 2022
3
Calculate the area of an triangle that is inscribed into an ellipse such that the elliptical sectors are of equal size.
Jan 1, 2022
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6
How do I solve this matrix equation for infinitesimal rotations?