Question

For fixed $A$ and $B$ find $C$ and $D$ that $|\frac{A}{B}-\frac{C}{D}|$ is minimal

score 72 · Answer 1 · 2026-04-16 01:31:33

72

Views

For fixed $A$ and $B$ find $C$ and $D$ that $|\frac{A}{B}-\frac{C}{D}|$ is minimal

Published on 16 Apr 2026 - 1:31

score 241 · Answer 2 · 2026-04-12 17:37:18

241

Views

The smallest number with given number of divisors

Published on 12 Apr 2026 - 17:37

score 95 · Answer 3 · 2026-04-11 13:39:36

95

Views

Cantors diagonal problem revisited

Published on 11 Apr 2026 - 13:39

score 1.2k · Answer 4 · 2026-04-10 10:29:16

1.2k

Views

Determine and construct irreducible polynomial (of degree >3) over finite fields.

Published on 10 Apr 2026 - 10:29

score 47 · Answer 5 · 2026-04-13 06:15:30

47

Views

Equation for non-cyclic sequence based around pascal's triangle

Published on 13 Apr 2026 - 6:15

score 72 · Answer 6 · 2026-04-13 20:09:58

Prove that there exist $r, s \in \mathbb{Z}$ such that det $\begin{pmatrix} a & b \\ r & s \end{pmatrix} \in \mathbb{Z}_n^{\times}$

score 56 · Answer 7 · 2026-04-12 16:52:50

56

Views

Prove $\exists (u,v) \in \mathbb{Z}_n \times \mathbb{Z}_n$ st every element equals $k_1(a,b) + k_2(u,v)$

Published on 12 Apr 2026 - 16:52

score 132 · Answer 8 · 2026-03-25 22:03:21

132

Views

Binomial coefficients $\binom{n}{b} \pmod{n}$, $n > b$, $n$ odd, $n,b$ positive integers, AKS test

Published on 25 Mar 2026 - 22:03

score 99 · Answer 9 · 2026-04-12 22:27:25

99

Views

Uncountability of Real numbers - fault in counter proof

Published on 12 Apr 2026 - 22:27

score 85 · Answer 10 · 2026-04-13 19:01:30

85

Views

Possible values of $x+y+z$

Published on 13 Apr 2026 - 19:01

score 37 · Answer 11 · 2026-04-16 11:58:54

37

Views

Asymptotics of the number distinct of subgroups of $S_n$ as $n$ goes to infinity

Published on 16 Apr 2026 - 11:58

score 845 · Answer 12 · 2026-04-18 03:46:22

845

Views

If $ p \equiv 3 (\bmod{4}) $ is a rational prime, then p is a Gaussian prime

Published on 18 Apr 2026 - 3:46

score 171 · Answer 13 · 2026-04-17 13:24:45

171

Views

How can I do the Euclidian's algorithm and the Extended Euclidean algorithm at the same time?

Published on 17 Apr 2026 - 13:24

score 47 · Answer 14 · 2026-04-15 16:48:56

47

Views

Why do even exponents occur more often if the residue is $5$ mod $7$?

Published on 15 Apr 2026 - 16:48

score 97 · Answer 15 · 2026-04-12 22:18:00

97

Views

Applying Hasse's Principle To Arbitrary Quadratic Form

Published on 12 Apr 2026 - 22:18

List Question

For fixed $A$ and $B$ find $C$ and $D$ that $|\frac{A}{B}-\frac{C}{D}|$ is minimal

The smallest number with given number of divisors

Cantors diagonal problem revisited

Determine and construct irreducible polynomial (of degree >3) over finite fields.

Equation for non-cyclic sequence based around pascal's triangle

Prove that there exist $r, s \in \mathbb{Z}$ such that det $\begin{pmatrix} a & b \\ r & s \end{pmatrix} \in \mathbb{Z}_n^{\times}$

Prove $\exists (u,v) \in \mathbb{Z}_n \times \mathbb{Z}_n$ st every element equals $k_1(a,b) + k_2(u,v)$

Binomial coefficients $\binom{n}{b} \pmod{n}$, $n > b$, $n$ odd, $n,b$ positive integers, AKS test

Uncountability of Real numbers - fault in counter proof

Possible values of $x+y+z$

Asymptotics of the number distinct of subgroups of $S_n$ as $n$ goes to infinity

If $ p \equiv 3 (\bmod{4}) $ is a rational prime, then p is a Gaussian prime

How can I do the Euclidian's algorithm and the Extended Euclidean algorithm at the same time?

Why do even exponents occur more often if the residue is $5$ mod $7$?

Applying Hasse's Principle To Arbitrary Quadratic Form

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