Question

Parameterize matrix with disnict values, same row sums and sum of any 2 values in a row is perfect square.

score 40 · Answer 1 · 2022-01-24 00:22:28

40

Views

Parameterize matrix with disnict values, same row sums and sum of any 2 values in a row is perfect square.

Published on 24 Jan 2022 - 0:22

score 120 · Answer 2 · 2022-01-28 01:03:14

120

Views

Sum of 3 squares formula using modular forms

Published on 28 Jan 2022 - 1:03

score 54 · Answer 3 · 2022-02-18 07:05:47

54

Views

How would I maximizing the sum of elements given the squared sum?

Published on 18 Feb 2022 - 7:05

score 184 · Answer 4 · 2026-03-26 17:47:32

184

Views

Gaussian integral using Euler/Jacobi theta function and $r_2(k)$ (number of representations as sum of 2 squares)

Published on 26 Mar 2026 - 17:47

score 121 · Answer 5 · 2022-03-02 22:58:40

121

Views

A giant cube is made of $n^3$ small cubes so that its dimensions are $nxnxn$. How many cubes of any size can be made of small cubes in the giant cube?

Published on 02 Mar 2022 - 22:58

score 1.8k · Answer 6 · 2026-02-24 09:53:38

1.8k

Views

Is there any variation known to the sum of two squares theorem?

Published on 24 Feb 2026 - 9:53

score 142 · Answer 7 · 2022-03-18 13:47:26

142

Views

Is the number of ways to express a number as sum of two coprime squares same as number of solution of $x^2+1\equiv0\pmod n$

Published on 18 Mar 2022 - 13:47

score 484 · Answer 8 · 2022-04-06 16:39:45

484

Views

Denominators of fractions are closed under gcd (vector gcds)

Published on 06 Apr 2022 - 16:39

score 386 · Answer 9 · 2022-04-16 22:04:02

386

Views

Finding $(a,b)\in\mathbb{N}^2$ such that $\dfrac{a^2+b^2+1}{a+b} \in \mathbb{N}$.

Published on 16 Apr 2022 - 22:04

score 172 · Answer 10 · 2022-04-17 19:49:52

172

Views

Finding a tighter bound given sum and sum of squares

Published on 17 Apr 2022 - 19:49

score 74 · Answer 11 · 2022-04-24 12:43:22

74

Views

SOSTOOLS in MATLAB: findbound gives wrong output

Published on 24 Apr 2022 - 12:43

score 82 · Answer 12 · 2022-05-01 01:52:38

82

Views

convergence of sum of squares over squared sum

Published on 01 May 2022 - 1:52

score 102 · Answer 13 · 2022-05-10 07:13:07

102

Views

Find the signature of a bilinear form given by a matrix

Published on 10 May 2022 - 7:13

score 50 · Answer 14 · 2022-05-11 16:03:47

50

Views

sum of square of three squares function $r_3(n)$ II

Published on 11 May 2022 - 16:03

score 91 · Answer 15 · 2022-05-15 03:58:18

91

Views

Will iterating the sum of the squares of the digits of any number ultimately give $1$?

Published on 15 May 2022 - 3:58

List Question

Parameterize matrix with disnict values, same row sums and sum of any 2 values in a row is perfect square.

Sum of 3 squares formula using modular forms

How would I maximizing the sum of elements given the squared sum?

Gaussian integral using Euler/Jacobi theta function and $r_2(k)$ (number of representations as sum of 2 squares)

A giant cube is made of $n^3$ small cubes so that its dimensions are $nxnxn$. How many cubes of any size can be made of small cubes in the giant cube?

Is there any variation known to the sum of two squares theorem?

Is the number of ways to express a number as sum of two coprime squares same as number of solution of $x^2+1\equiv0\pmod n$

Denominators of fractions are closed under gcd (vector gcds)

Finding $(a,b)\in\mathbb{N}^2$ such that $\dfrac{a^2+b^2+1}{a+b} \in \mathbb{N}$.

Finding a tighter bound given sum and sum of squares

SOSTOOLS in MATLAB: findbound gives wrong output

convergence of sum of squares over squared sum

Find the signature of a bilinear form given by a matrix

sum of square of three squares function $r_3(n)$ II

Will iterating the sum of the squares of the digits of any number ultimately give $1$?

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